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22 changed files with 12 additions and 1908 deletions
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day10.rkt
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day10.rkt
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#lang racket
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(define data (map string->list (file->lines "day10.txt")))
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(define pairs (list (list #\{ #\}) (list #\( #\)) (list #\[ #\]) (list #\< #\>)))
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(define opening (map first pairs))
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(define closing (map second pairs))
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(define (go input stack) ; returns the incomplete list OR the first broken bracket if corrupted
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(if (= 0 (length input)) ; if we've run out of input..
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stack ; we've got an incomplete chunk. return the stack
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(let ([x (first input)] [xs (rest input)]) ; grab the first element of the input
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(if (member x opening) ; if it is an opening bracket
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(go xs (cons x stack)) ; push it on the stack and recurse
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(let* ([y (first stack)] ; otherwise, it's a closing bracket. grab the top of the stack..
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[matching (second (assoc y pairs))]) ; and find its matching closing bracket
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(if (equal? matching x) ; if they match..
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(go xs (rest stack)) ; remove it and recurse
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x)))))) ; if they don't match, return the offending bracket
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(define part1
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(let* ([res (map (λ (x) (go x '())) data)]
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[bads (filter (λ (x) (not (list? x))) res)] ; filter out the lists - they're the incomplete chunks
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[costs (list (list #\) 3) (list #\] 57) (list #\} 1197) (list #\> 25137))]
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[points (map (λ (x) (second (assoc x costs))) bads)]
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[total (apply + points)])
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total))
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part1
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; PART 2
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(define (complete input stack) ; find the necessary closing brackets to complete the chunk
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(if (= 0 (length input))
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stack
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(let* ([x (first input)]
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[matching (second (assoc x pairs))])
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(complete (rest input) (cons matching stack)))))
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(define (score chunk)
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(let ([costs (list (list #\) 1) (list #\] 2) (list #\} 3) (list #\> 4))])
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(foldl (λ (x acc) (+ (second (assoc x costs)) (* 5 acc))) 0 chunk)))
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(define part2
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(let* ([res (map (λ (x) (go x '())) data)]
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[rev (reverse res)] ; reverse so we can use `first` & `cons`
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[incompletes (filter (λ (x) (list? x)) res)] ; filter out the lists - they're the incomplete chunks
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[completing (map reverse (map (λ (x) (complete x '())) incompletes))] ; un-reverse it
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[scores (map score completing)]
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[sorted (sort scores <)])
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(list-ref sorted (/ (- (length sorted) 1) 2)))) ; find the median scoring chunk
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part2
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[({(<(())[]>[[{[]{<()<>>
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[(()[<>])]({[<{<<[]>>(
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{([(<{}[<>[]}>{[]{[(<()>
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(((({<>}<{<{<>}{[]{[]{}
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[[<[([]))<([[{}[[()]]]
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[{[{({}]{}}([{[{{{}}([]
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{<[[]]>}<{[{[{[]{()[[[]
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[<(<(<(<{}))><([]([]()
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<{([([[(<>()){}]>(<<{{
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<{([{{}}[<[[[<>{}]]]>[]]
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98
day10.txt
98
day10.txt
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{<{[<((<[<({<{(){}}(()())>[<<><>>((){})]}(<<{}{}>(<><>)>))(<[(<>{}){()()}]{{{}[]}(()())}>[
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((<{[<([<<{[<(()())([]())>)<<<{}{}>{[][]}>{<<>>(()[])}>}<(((()[])[{}<>])[<[]{}>{{}[]}])[[({}{})
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({(<[([((<(<[(<>{}){()[]}]<[[]<>]<(){}]>><{(<>())[<>{}]}{(<>[])(<>{})}>)([(<(){}>[(){}]){{()[]}{<>{}}}][<<[]
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{{{[(([{{{[{[(()())[<>[]]]{([]{}){()<>}}}]{{{((){})[[][]]}[[{}{}]<[]()>]}(<(<>()){{}{}>>([{}()
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[<{{{[[(<[(([<{}[]>{()()}][[<>{}]]))]([<<{{}[]}>>([(<>[])<(){}>][[{}{}](()())])]{[{[<><>]}((<>{})[
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{<[<[[<<(<<<<(<>[])(<>[])>{([]())}>[{{[]()}}<({}())[<>()]>]>{[((<>{})[[]<>])([()<>]{<>()})](((<>()
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([({({[{(([<[<[]>]>]<<({[]()}<[]<>>)[[()[]]{[]{}}]>>))((<<{<<><>>}{(<>{})<[]()>}>([[<>{}]<<>{}>
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{(<([{{{{(((({{}[]}))){[(({}<>))({<><>}<[][]])][<<[]{}>[{}{}]>{<[]>{[]{}}}]})({[{([]<>)([]<>)}
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{([{{{(([<[[[<(){}>{()[]}][([]<>)<[]{}>]]<{(<>())[[]()]}[{(){}}[()<>]]>]([({[]{}}{()[])){{<>()}{()[]}}])>[<[
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[([{<{(<({<{[[<>{}][<>[]]]<{{}<>}<{}{}>>}[({()[]])[[<>()]({}<>)]]>{<([{}<>]<[]<>>)[{[]()}{{}[]}]>[[{[][]
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{{<(<{(<[<(((<[]<>><{}[]>))({(<>{}){[][]}}([[]()]({}<>))>)>[((((()<>)<<>[]>){(<>{}){<>{}}})(<({}(
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{{[{<{<([{[<{[{}{}]{(){}}}{{[]<>}<()[]>}>]<[({[][]}<{}<>>)(<{}{}><[]()>)]<[{<>{}}(()())]([[]{}]<[]<>>)>>>[{[{
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<(([<<{{<(([(({}{})[[]{}])[<{}>(<>{})]]<([{}{}]{()[]})>))({(<(()<>)<<><>>>(([]<>)))}<<<[()
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<<<(({{([{({({()()}<<>[]>)<{()[]}[<>()>>}){[<[<>{}][<><>]>[{()[]}[<><>]]]<<[<>[]]{<>()}>>}}[(<[[(){}](()
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<<[[{{([(([([[<>{}][(){}]])]{({{()}(<>{})}{{{}<>}{<><>}})(([<><>])({{}[]}<<><>>))})([{({()<>}<[][]>)}]))
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[(<<<<<{[<({[{{}[]}<()<>>]<[{}[]][[]<>]>})>[<<{(()())({}<>)}{({}())(<>[]]}><<<{}<>>([]<>)><[
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<<({({{([(<([[{}()]<[]{}>]<<<>()>>)><{(<{}<>><{}()>)<{(){}}[<>]>}{([[]{}][[]<>])<({}()){{}[
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{<{([[[[[{<<[[{}{}]([]<>)]{{{}()}[<><>]}><[<()()>[{}{}]](((){})<()>>>>}]<{({{([]()){{}<>}}<{<>{}}({}{}
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{[{[[<[((<(<<{<>}{()[]}>><{<<>[]>[()[]]}{{()()}[()[]]}>)(({[[]](<>[])}{({}())<{}()>})([[{}[]]<[]()>][{
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[{[(({[{{([[[<()()>{{}{}}]{([]<>){<><>}}]](<<<(){}>(()())>{[[]]{<>{}}>>))<[<((<>{}){(){}}){[{}<>]}>([[<><
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<{<(<([(<[({<<[]()>[[]{}]>(<{}<>>)}(<[{}[]][{}[]]>{<{}[]>[(){}]}))[<(<[]<>>{{}<>}]([[][]]<()<>>)>{({{}<>}[<>[
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{({({{<({[{[{<<>()>[[]{}]}](([{}<>]{()()})[([]()){[]()}})}[[((()())[()<>])(<<>{}><{}>)]]]<([{([]
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(<[([{({<([<(([]<>)<()[]>){{<>{}}[()()]}>])(([({[]()}<{}{}>)][<{{}[]}({})>[[<><>][<><>]]])<[({()[]}[[]{
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{{{<{{[[{[[<({[]()}{()[]})<[<>()][()()]>>(({{}{}}))][({[(){}](()[]]}){{<<>()>({})}{<{}[]>[{}<>]}}]]{[<
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{<([((<{<<<{(({}{})<<>[]>)(((){}){[]})}{({[]<>}[[]{}])<[{}[]][()()]>}}[{([<>()][<>{}]){(<>
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{([([(({[<[[[(())(<>[])]{[()()][<>]}]]>([{[(<><>)(<>())]<(()<>)[<><>]>}({{<>{}}({})}([{}][
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([[[({[{{<{{{[{}()]{(){}}}[{()}({}[])]}[{[[]<>>(()[])}<{[][]}{[]}>]}>}}]}{[<[[[[(({}{}){{}[]}
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<[{<([<({((([[<>{}]([]())]<[()[]]<()<>>>){<<{}{}>[<><>]>[((){}){{}<>}]}))}({[({[()())(<>[])}{({}())}){([()[]
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{([[{[<<[[<{([<>()][{}{}])<([]{})(()[])>}{{{()()}{[][]}}<[[]{}]<<>{}>>}>(({<()()>({}())}[{<>[]}({}<>)])([[<
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({[<{{[<{{(((([]<>){<>()})([()<>]([]{})))){{<{()()}[{}<>]>}({<{}[]>}{([]<>)<{}[]>})}}<<([{{}()}[{}[]]]<{(
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<({{([{[({<([({}())[()[]]]{([]{})})(([[]{}]{{}[]})([{}()><()<>>))>(<(({}{})<{}{}>)[{<><>}{[]
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[{[{<{([[[<[[{[][]}(<>{})]{{[]<>}[{}{}]}]><{({{}()}<[]()})}>]{{(<[[][]]{[]()}>{(()())(<>[])})(
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(<{(<[[<{[[<<([]<>)<{}{}>>({{}[]}({}()))>]({([[]<>]([]())){[<>{}]<{}()>}}[{({}())[(){}]}(({}{})[[]]
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<[<<([{[{<{{<[[][]]<<>[]>>({<>{}}[<><>])}([[{}<>]<()()>][<[][]>(()[])])}[({[()()][[]()]}[{{}()}<[]<>>])]>{<
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<(([[{(([[([[{{}()}{[]}]]<((<><>}({}[]))((()())[()[]])>)[{{<[]<>>((){})}}<(<(){}>{{}[]})({()}{{}<>})>]]<[(<{
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[{<(((<(<({(({{}()}{<><>})[{[][]}{(){}}])({{[]{}}[<>{}]>)})>((([<(<><>){{}<>}><[<>{}]>]([[<>[]][{}{}
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[<{{({([({({{{()<>}([][])>}((({}<>)(()[]))<(<>()){{}<>}>)){[([()()](<>[]))]{({[]}[[]{}])([[]<>
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{({[<{(<<([[[<{}{}>[{}{}]](<<>>(()))]{[([]<>)<{}{}>]<[<><>]>}]<[[{{}<>}<<>{}>][([]<>)<(){}
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([{{{[[(<<[<[[<>]{[]}]((<>{})({}[]))>({{()[]}<<><>>}{{<>{}}({})})]{{{{[][]}<{}()>}}<[[<><>][{}<>]]<
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[<{<{<[{{[([(([]<>))[{<>()}<{}{}>]]{[<<>{}>[(){}]){<[][]>[<><>]}})](([<([]{})[{}()]>(({}())(<>{}))]
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[<[<{(<(([{<{([]{}){[][]}}><{[{}[]]([]<>)}[[()[]]<()()>]>}][{(<[(){}]{()<>}><<[]()>[[]()]>){[[<>[]](()[])
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<(<<<([[<([[({[]<>}<[]()>){{<>[]}[{}{}]}]([[[][]]<[]()>])]<{{(<><>){<>[]}}}{(<[][])(()[]))[([]{})[[
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(([{<{{([<<{({[]{}}[()[]])[<()()><()[]>]}[(<()>[()()])[[<>[]]]]>>{{{{<[]()>[()<>]}}{{<()[]>[()[]]}<[[][]]
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(<<[([[{{({<[([][])<{}()]][<()()>(()())]>})}<([[{(()<>)<[]()>}((()[])[<>{}])]]([<{(){}}({}<>)>][<
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[<<((<[<<{(((({}()))({<>{}}([]<>))){{<()<>><{}[]>}{(()())}}){({([]<>)<<>{}>})}}<{{<[()][<><>]>{{[]
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<{[<[((([{<{{{<>[]}[[]()]}([<><>])}>((<<<>()>({}<>)><[{}[]]<()[]>>)[{{[][]}{()<>}}[{()<>}(()[])]])}(([<{{
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{<{<[(({([<[<[[][])([]{})>[{(){}}[[]<>]]][(<{}<>>{()<>}){[<><>]{{}[]}}]>([[<[][]>{[]<>}]({[][]}(()()))]{
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(<{{{[{<{(<[({{}[]})]><<{(()<>)[{}{}]}{<()()>}>>)[[(({()<>}(<>{})))([<(){}>(()<>)]{((){})([][])})]
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<<[(<([<(({[{({}{})}<{()<>}{<>{}}>][([[]()](()<>))]}[[({{}()}<[]{}>)[<[]()>[()()]]]((<{}{}
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<<{[{[<{{{([<<<>{}>{()[]}>({{}[]}<<>{}>)][[<()[]>[{}[]]]({()<>}(()()))])[<<<<>()>{[]{}}>><{{[]{}}<()<>>}(<<>[
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[{{<({[([({{{(()())[<><>]}{[()()][(){}]}}}{[([<>[]])[{[]()}((){})]]([<[]{}>(()<>)]{[<>]})})(<
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<<<{{(({<{<[<<<>{}>>(<<>[]>{()()})]<([()<>])>>[(<({}[]){{}[]}>{[{}{}][[]()]})[<[<>[]]<()[]>>(<
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[([<<<(<[[[[[([]{}){{}()}}<<[]()>{[]}>][([<>[]]({}))[(()<>){()()}]]]]]>{[([[<([]())<{}<>>>({<>()}
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[([{{[[(({[<{[{}[]]{[][]]}<{<>()}[<>[]]>>(<{<>()}<[]()>>)]}))<<<<<{{()[]}{{}[]}}[<<>{}>]><{[{}<>]{(
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[{{{<((([{([{[[]()][<>()]}([[]()]{{}()})]{([{}{}](<>{}))({()<>}(<>{}))})<[({(){}}[()<>])}>}(
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{<<{{({[[[[[{[()]({})}<[<><>]{{}}}][[{()<>}({}{})][<<>[]>{<><>}]]]({<(<>)<<><>>>({<>()}<<>
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<[[[[({([[{<[{{}()}]{(()<>)<[]()>}>{[{<>{}}(()[])][{()[]}<()()>]}}]]<{[(({<>{}}{<>()})<[[]()]<<>{}>>)<((()[])
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({{{<{[({[[[<{()<>}<<>[]>>{[[]<>][<>()]}]([(()<>)[[]()]]({{}[]}(()[]))]]][{{{<<>>({}<>)}<<<>{}
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[{[((<{<([[{<<()[]>[[][]]>}<{({})}[<{}[]>[[][]}]>]]<<{(([]<>)[[]()])}<{<{}()>{[]}}{[()[]]({})}>>
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[{([[{[({<[<(<<>{}>({}[]))([{}<>]{(){}})}({<[][]>}{[()()]<{}[]>})]<<[<(){}>[<>{}]][<<>{}>({}{
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[<([{<<[((([<[<>()]({}())><([]{})<{}[]>>]))[{[[[[]()]]]}{{[{[]()}([][])]{<[][]>{{}()}}}}])<(({{(<>()){
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{{[[<{{(({{{(<{}<>>{()[]})[<[]()>]}[{<[]{}>[()[]]}]}<[{[[]<>][[][]]}<<(){}>((){})>][([()<>]<<>>)<
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<<{[(([{<((({([][]){[]<>}}{({}())}))({[<<>{}><<>>]}{<[<>{}](()())><<{}[]>{()<>}>)))({[<(<>[
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<[<((<<[[<[((([]<>)<(){}>)[<(){}>])({<{}{}>{<><>}}<(()())<[]{}>>)]{{({(){}}(()[]))}<({<><>}({}()))>}
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[<{(<([{[({[{({}{})<{}()>}[{[]<>}({}<>)]]})[<[([{}[]][()[]])((<>()){{}<>})][[[(){}][[][]]][<
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<(({([[(<[[{(<<><>><{}()>)<(()()){()[]}>}({[()<>][{}[]]}([<>{}]<<><>>)}]]{{[<[<>[]]>({<><>}([]{}))][(([][])<
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{[[[[<<[{(({{{[]()}[{}[]]}}{[[()()][{}{}]]}){[{{{}()}}[[[][]]<()()>]]}){[{((()<>)[{}<>]){<<>()>[()()]}}(([{}<
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[[<<<{<({[<([[()<>]]({()<>})){[{{}[]}]}>][({[<()<>>({}[])]}((<<><>>[<>])[({}())<{}{}>]))]})>}>[{{(({{[
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{{[[{{(([[[[({[]()}<{}()>)<(()[])<<>[]>>]]<(<{[][]}<{}()>>(({})[[][]]))>]<<{({()[]}[(){}]]({
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({{((<([<({<(<[]<>><<>[]>){[{}<>]}>(<[{}{}]>)}[<{{<>{}}{[]()}}[<<><>>[[][]]]>[[<()()><(){}>]{<
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[[[(({{<(<{<[{()[]}]({<>{}})>[<<<>()>{{}{}}>{({}<>)<<>()>}]}<({{()()}}<(()()){<><>}>){<((){})(<>()
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{<{{(<{{<[[({<<>>}<[(){}]({}())>)[<{()<>}[{}()]>[({}[])<()()>]]]]{<[({<>{}}{[][]})]{[(<>{})({}())]}
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[<[<{<<({[[(((<>())[{}<>]))<(({}[])(()[])){{{}{}}[[]<>]}>]<[(<{}{}]{{}{}})<(()<>)>][[{<>{}}<[
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[({<(<[([<({([<>()]{[][]}>{<<>[]>[[]()]}}[{<()<>>([]<>)}])<<<[[]()](())>><[<<>[]>{{}()}]{<()
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{{[{(<<{[{({[<[]()>{{}<>}]([()<>]{{}[]})}<<<[]()>[[]<>]><[<>{}][()()]>>)}<{<[{[]()}{<>{}}]>{({[][]}<[]
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[[{[<<<[{[[<({<>()}((){})){{<>[]}<(){}>}>[<(()<>)({}<>)>{<[]()>(<>)}]]]{<<{[<>[]]>>(<<{}()>(<>())>(
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{({{[([<{{{<((<><>)<()()>][<{}[]>{<>[]}]><({<>()}(()<>))({{}[]}<()[]>)>}([({{}[]})({{}()}[<>[]])])}
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{<[[({{((<[{[{<>()}(<>())]<({}[])<<>{}>>}([(()())<<>[]>]((<>[]){{}{}}))]{({<()()>(()<>)}[{[][]}([]())])<<[()
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([{((({<<<{<{{<><>}(()<>)}>}>)[{{[[[[][]]]][<(<>{}){[]}>([{}()][[][]])]}<{([()()][<>()])(<[]()>
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<(((<(({<<[{<(()())>[[[][]]<[]{}>]}[{{<>()}(<><>)}(({}())({}()))]]>((<({{}[]}(<>())){({}[])
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<<{[(<([<(<{{[<>{}]}(<<>()>({}{}))}><({<<>()>(<><>)}<<[][]>[[]()]>)(([<>()){{}()})<[[][]]{<>{}
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<<[[([{{{{[<{[(){}]<[]()>}>[[([])<[]<>>>[({}{})([][])]]]}<<({<()[]><{}<>>}<{()<>}(<><>)>)>(([
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{[[[{{[{{((<{[{}[]](()[])}<(<>{})(<><>)>>){(<<<>{}>>)(([()[]]<[]{}})[({}[])(()())])})}}]}{[{{({({([]
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([{[{((([[{{([[][]][{}[]])[{[]<>}<<>[]>]}}]][<[{[(<>{})[[]<>]][{[]<>}[(){}]]}]{<[[{}[]]{{}[]}]><(({}
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{(<(<{<<([<<<[{}{}]<{}{}>>><[{<><>}{{}<>}]([[]<>]{{}()})>>])>>{{[{{{<<<>()>[{}()]>{<[]()>[<>{}]}}}}<(<[(
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{<[{<<({[({(([[]<>](<><>)))[[[{}()]<()[]>]<{<>{}}[()<>]>]})([<([(){}]{<>[]})<<<>()><(){}>>><([<>[]>([][]))(<<
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[[[[<<(<({(<[{(){}}[()[]]][[{}[]]{[]{}}]>([{[][]}([]{})][{{}[]}<[]()>]))[{[{()()}({})]({(){}}[<>[]
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{<{(<[<(<<<{<[()<>]>{{()[]}}}<<([]<>)[()<>]>>>[{[<<><>>[{}<>]][<<><>>{(){}}]}[{[[]()]{<>()}}
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<[[<{<<[{{[[(([][])[[][]])<({}<>){{}[]}>]](<<({}[])[[][]]>((<><>))>[([()[]]((){}))])}}{[([((<>())
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{(<{[[((<<<{<{<>{}}([]{})><{()}>}[{(()<>)[[][]]}{<{}{}><{}{}>}]]<[[<{}()>]<([]{})>]{{[<>()]{{}{
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<{<{<{[{(((<(<[]{}>)([{}{}]({}{}))>([{[]<>}[[]{}]]<([]()){[]<>}>))<[(<[]{}>[()[]])]>)<{{[{{
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{{<([<{[(([(({[]<>}{()[]})<(()){(){}}>)[{({}<>)<[]<>>}<{{}()}<<><>>>>][{<({}<>)[()()]><<()<>>>
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[[[<([<<[[[{<<[][]>{()()}>[[(){}][<><>]]}{[{<>[]}[[]{}]]}]{<<({}<>)[[]]>[(<>[])]><<[()[]]<[]>>[{[]<>}({}{})]>
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{{{[{(<<{({{<{<>[]}>[{<><>}[()[]]]}[({()()})([<><>]<<>[]>)]}({[{{}[]}{{}[]}]}[(<[]()>[<>[]])({<><>}[(){}])]
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|
||||||
(<<[{[{[({<[{{(){}}<(){}>}{{()[]}[<>{}]}]{{(<>{})<{}>}{((){})}}>[{([<>()](<>{}))<{{}[]}[[]{}]>}{(<[][
|
|
||||||
(<[[{<<{({<([<<>()>[<>()]]{{()<>}[<>[]]))>({<<<>()><()<>>>}({{[]<>}{{}()}}{<(){}><<>{}>}))})}<([<({[[]]{{}<
|
|
||||||
([((<[((([{<((()<>))[([])]>({(()<>)([]{})}([{}<>](()<>)))}{<[[[]()]([]{})]>}]({([{[]{}}][{(){}}{(){}
|
|
||||||
(({{<[<{<{([<([]<>){()}><([]<>)<[][]>>]<<[()<>][[]<>]><{()()}>>)[(<[[]{}](<>())>{{{}()}{[]()}}
|
|
||||||
84
day11.rkt
84
day11.rkt
|
|
@ -1,84 +0,0 @@
|
||||||
#lang racket
|
|
||||||
|
|
||||||
(define SIZE 10);
|
|
||||||
|
|
||||||
(define (map-map f lst) ; map . map
|
|
||||||
(map (λ (x) (map (λ (y) (f y)) x)) lst))
|
|
||||||
|
|
||||||
(define (char->num chr) ; i hate this
|
|
||||||
(second (assoc chr (list '(#\0 0) '(#\1 1) '(#\2 2) '(#\3 3) '(#\4 4) '(#\5 5) '(#\6 6) '(#\7 7) '(#\8 8) '(#\9 9)))))
|
|
||||||
|
|
||||||
(define (subtract l1 l2) ; retun list of items that are only in l1
|
|
||||||
(filter (λ (x) (not (member x l2))) l1))
|
|
||||||
|
|
||||||
(define grid ; file -> flat vector of the grid digits
|
|
||||||
(list->vector
|
|
||||||
(flatten
|
|
||||||
(map-map char->num
|
|
||||||
(map string->list
|
|
||||||
(file->lines "day11.txt"))))))
|
|
||||||
|
|
||||||
(define (display-grid grid)
|
|
||||||
(for-each (λ (i)
|
|
||||||
(printf "~s " (vector-ref grid i))
|
|
||||||
(if (= 0 (modulo (add1 i) SIZE)) (printf "~n") (printf "")))
|
|
||||||
(range 0 (* SIZE SIZE))))
|
|
||||||
|
|
||||||
(define (neighbors idx) ; find all the neighboring indicies, filtering out out-of-bounds
|
|
||||||
(filter (λ (idx) (and (>= idx 0) (< idx (* SIZE SIZE)))) ; remove ones off the top or bottom of board
|
|
||||||
(filter identity ; remove #f
|
|
||||||
(flatten (list (if (= (modulo idx SIZE) 0) #f ; if it's on the left edge, #f
|
|
||||||
(list (- idx (add1 SIZE)) (+ idx (sub1 SIZE)) (sub1 idx)))
|
|
||||||
(if (= (modulo (add1 idx) SIZE) 0) #f ; if it's on the right edge, #f
|
|
||||||
(list (- idx (sub1 SIZE)) (+ idx (add1 SIZE)) (add1 idx)))
|
|
||||||
(list (- idx SIZE) (+ idx SIZE)))))))
|
|
||||||
|
|
||||||
(define (flash grid tens seent flash-count) ; recursively flash tens
|
|
||||||
(for-each (λ (i) (hash-set! seent i #t)) tens) ; mark these tens as having been seen
|
|
||||||
(let* ([ns (flatten (map neighbors tens))] ; find all the neighbors of the tens
|
|
||||||
[ns-filtered (filter (λ (i) (not (hash-has-key? seent i))) ns)] ; filter out the ones we've flashed
|
|
||||||
[new-flash-count (+ flash-count (length tens))])
|
|
||||||
(for-each (λ (i) (vector-set! grid i (add1 (vector-ref grid i)))) ns-filtered) ; add 1 to all the neighbors
|
|
||||||
(let* ([new-tens (remove-duplicates (filter (λ (x) (<= 10 (vector-ref grid x))) ns-filtered))])
|
|
||||||
(if (< 0 (length new-tens))
|
|
||||||
(flash grid new-tens seent new-flash-count) ; if so, flash em
|
|
||||||
(list new-flash-count (vector-map! (λ (x) (if (>= x 10) 0 x)) grid)))))) ; otherwise set our 10s to 0 and return the vector
|
|
||||||
|
|
||||||
(define (vector-find vect proc) ; returns list of indicies where val is found in vect
|
|
||||||
(foldr (λ (i acc) (if (proc (vector-ref vect i)) (cons i acc) acc)) '() (range 0 (* SIZE SIZE))))
|
|
||||||
|
|
||||||
(define (step grid) ; grid is actually '(count grid)....
|
|
||||||
(let* ([g (second grid)]
|
|
||||||
[flash-count (first grid)]
|
|
||||||
[incd (vector-map add1 g)]
|
|
||||||
[seent (make-hash)]
|
|
||||||
[tens (vector-find incd (λ (n) (>= n 10)))]
|
|
||||||
[res (flash incd tens seent flash-count)])
|
|
||||||
res))
|
|
||||||
|
|
||||||
(define part1
|
|
||||||
(let loop ([n 100] [g grid] [flash-count 0])
|
|
||||||
(if (= n 0)
|
|
||||||
(list g flash-count)
|
|
||||||
(let* ([res (step (list flash-count g))]
|
|
||||||
[new-count (first res)]
|
|
||||||
[new-grid (second res)])
|
|
||||||
(loop (sub1 n) new-grid new-count)))))
|
|
||||||
|
|
||||||
part1
|
|
||||||
(display-grid (first part1))
|
|
||||||
|
|
||||||
(define (all-flashing? grid)
|
|
||||||
(= 100
|
|
||||||
(vector-length (vector-filter (λ (x) (= x 0)) grid))))
|
|
||||||
|
|
||||||
(define part2
|
|
||||||
(+ 1 (let loop ([n 0] [g grid] [flash-count 0])
|
|
||||||
(let* ([res (step (list flash-count g))]
|
|
||||||
[new-count (first res)]
|
|
||||||
[new-grid (second res)])
|
|
||||||
(if (all-flashing? new-grid)
|
|
||||||
n
|
|
||||||
(loop (add1 n) new-grid new-count))))))
|
|
||||||
|
|
||||||
part2
|
|
||||||
|
|
@ -1,10 +0,0 @@
|
||||||
5483143223
|
|
||||||
2745854711
|
|
||||||
5264556173
|
|
||||||
6141336146
|
|
||||||
6357385478
|
|
||||||
4167524645
|
|
||||||
2176841721
|
|
||||||
6882881134
|
|
||||||
4846848554
|
|
||||||
5283751526
|
|
||||||
10
day11.txt
10
day11.txt
|
|
@ -1,10 +0,0 @@
|
||||||
4438624262
|
|
||||||
6263251864
|
|
||||||
2618812434
|
|
||||||
2134264565
|
|
||||||
1815131247
|
|
||||||
2612457325
|
|
||||||
8585767584
|
|
||||||
7217134556
|
|
||||||
2825456563
|
|
||||||
8248473584
|
|
||||||
50
day12.rkt
50
day12.rkt
|
|
@ -1,50 +0,0 @@
|
||||||
#lang racket
|
|
||||||
|
|
||||||
(define connections
|
|
||||||
(map (λ (s) (string-split s "-"))
|
|
||||||
(file->lines "day12.txt")))
|
|
||||||
|
|
||||||
(define (small-cave? cave)
|
|
||||||
(and (equal? (string-downcase cave) cave)
|
|
||||||
(not (equal? cave "start"))))
|
|
||||||
|
|
||||||
(define (find-connections cns cave)
|
|
||||||
(filter (λ (x) (not (equal? "start" x)))
|
|
||||||
(append (map second (filter (λ (x) (equal? cave (first x))) cns))
|
|
||||||
(map first (filter (λ (x) (equal? cave (second x))) cns)))))
|
|
||||||
|
|
||||||
(define (go cns cave seent)
|
|
||||||
(define nexts (find-connections cns cave)) ; find every cave you can reach next from node
|
|
||||||
(define unvisited (filter (λ (x) (not (member x seent))) nexts)) ; filter out the caves we've seen't
|
|
||||||
(define new-seent (if (small-cave? cave) (cons cave seent) seent)) ; if it's a small cave, add it to the seen't list
|
|
||||||
(define paths (map (λ (x) (go cns x new-seent)) unvisited)) ; recurse over all of the connections
|
|
||||||
(cons cave (if (equal? "end" cave) ; if we've reach the end..
|
|
||||||
'() ; don't go back up the tree
|
|
||||||
paths)))
|
|
||||||
|
|
||||||
(define part1
|
|
||||||
(let* ([tree (go connections "start" '())]
|
|
||||||
[flat (flatten tree)]
|
|
||||||
[ends (length (filter (λ (x) (equal? "end" x)) flat))])
|
|
||||||
ends))
|
|
||||||
|
|
||||||
part1
|
|
||||||
|
|
||||||
; PART 2
|
|
||||||
|
|
||||||
(define (go2 cns cave seent revisitable)
|
|
||||||
(define nexts (find-connections cns cave)) ; find every cave you can reach next from node
|
|
||||||
(define new-seent (if (small-cave? cave) (cons cave seent) seent))
|
|
||||||
(if (equal? "end" cave)
|
|
||||||
1 ; add one when we get to the end
|
|
||||||
(foldl (λ (x acc) (+ acc (if (and (member x new-seent) revisitable) ; if it's a small cave, and we haven't revisited yet
|
|
||||||
(go2 cns x new-seent #f) ; recurse setting revisitable to #f
|
|
||||||
(if (not (member x seent)) ; otherwise, if we hadn't seen it yet
|
|
||||||
(go2 cns x new-seent revisitable) ; recurse
|
|
||||||
0)))) ; otherwise, it doesn't end. add 0
|
|
||||||
0 nexts)))
|
|
||||||
|
|
||||||
(define part2
|
|
||||||
(go2 connections "start" '() #t))
|
|
||||||
|
|
||||||
part2
|
|
||||||
|
|
@ -1,7 +0,0 @@
|
||||||
start-A
|
|
||||||
start-b
|
|
||||||
A-c
|
|
||||||
A-b
|
|
||||||
b-d
|
|
||||||
A-end
|
|
||||||
b-end
|
|
||||||
26
day12.txt
26
day12.txt
|
|
@ -1,26 +0,0 @@
|
||||||
CV-mk
|
|
||||||
gm-IK
|
|
||||||
sk-gm
|
|
||||||
ca-sk
|
|
||||||
sx-mk
|
|
||||||
gm-start
|
|
||||||
sx-ca
|
|
||||||
kt-sk
|
|
||||||
ca-VS
|
|
||||||
kt-ml
|
|
||||||
kt-ca
|
|
||||||
mk-IK
|
|
||||||
end-sx
|
|
||||||
end-sk
|
|
||||||
gy-sx
|
|
||||||
end-ca
|
|
||||||
ca-ml
|
|
||||||
gm-CV
|
|
||||||
sx-kt
|
|
||||||
start-CV
|
|
||||||
IK-start
|
|
||||||
CV-kt
|
|
||||||
ml-mk
|
|
||||||
ml-CV
|
|
||||||
ml-gm
|
|
||||||
ml-IK
|
|
||||||
52
day13.rkt
52
day13.rkt
|
|
@ -1,52 +0,0 @@
|
||||||
#lang racket
|
|
||||||
|
|
||||||
(define (map-map f lst) ; map . map
|
|
||||||
(map (λ (x) (map (λ (y) (f y)) x)) lst))
|
|
||||||
|
|
||||||
(define data
|
|
||||||
(let* ([input (file->lines "day13.txt")]
|
|
||||||
[point-lines (filter (λ (l) (string-contains? l ",")) input)]
|
|
||||||
[points (map-map string->number (map (λ (p) (string-split p ",")) point-lines))] ; e.g. '(6 10)
|
|
||||||
[fold-lines (filter (λ (l) (string-contains? l "fold")) input)]
|
|
||||||
[folds (map (λ (l) (let* ([matches (regexp-match #rx"(.)=(.+)" l)]) ; e.g. '("y" 7)
|
|
||||||
(list (second matches) (string->number (third matches))))) fold-lines)])
|
|
||||||
(list points folds)))
|
|
||||||
|
|
||||||
(define points (first data))
|
|
||||||
(define folds (second data))
|
|
||||||
|
|
||||||
(define (draw points)
|
|
||||||
(let* ([width (apply max (map first points))] [height (apply max (map second points))])
|
|
||||||
(for-each (λ (row) (begin
|
|
||||||
(for-each (λ (col) (printf "~a" (if (member (list col row) points) "#" "."))) (range 0 (+ 1 width)))
|
|
||||||
(printf "~n"))) (range 0 (+ 1 height)))))
|
|
||||||
|
|
||||||
(define (move-point point dir loc)
|
|
||||||
(let* ([which (if (equal? "x" dir) first second)] ; which coordinate to change. x -> fold left -> change the first digit, etc.
|
|
||||||
[diff (* 2 (- (which point) loc))] ; calculate the amount the point should move left/up
|
|
||||||
[diffX (if (equal? "x" dir) (λ (x) (- x diff)) identity)]
|
|
||||||
[diffY (if (equal? "y" dir) (λ (x) (- x diff)) identity)])
|
|
||||||
(if (< (which point) loc) ; if it is below the fold
|
|
||||||
point ; just return it
|
|
||||||
(list (diffX (first point)) (diffY (second point)))))) ; otherwise, move the point
|
|
||||||
|
|
||||||
(define (fold points f) ; should have picked a different name..
|
|
||||||
(let* ([direction (first f)]
|
|
||||||
[location (second f)]
|
|
||||||
[new-points (map (λ (point) (move-point point direction location)) points)])
|
|
||||||
(remove-duplicates new-points)))
|
|
||||||
|
|
||||||
(define part1
|
|
||||||
(let* ([first-fold (first folds)]
|
|
||||||
[next (fold points first-fold)])
|
|
||||||
(length next)))
|
|
||||||
|
|
||||||
part1
|
|
||||||
|
|
||||||
; PART 2
|
|
||||||
|
|
||||||
(define part2
|
|
||||||
(draw
|
|
||||||
(foldl (λ (f sheet) (fold sheet f)) points folds)))
|
|
||||||
|
|
||||||
part2
|
|
||||||
|
|
@ -1,21 +0,0 @@
|
||||||
6,10
|
|
||||||
0,14
|
|
||||||
9,10
|
|
||||||
0,3
|
|
||||||
10,4
|
|
||||||
4,11
|
|
||||||
6,0
|
|
||||||
6,12
|
|
||||||
4,1
|
|
||||||
0,13
|
|
||||||
10,12
|
|
||||||
3,4
|
|
||||||
3,0
|
|
||||||
8,4
|
|
||||||
1,10
|
|
||||||
2,14
|
|
||||||
8,10
|
|
||||||
9,0
|
|
||||||
|
|
||||||
fold along y=7
|
|
||||||
fold along x=5
|
|
||||||
840
day13.txt
840
day13.txt
|
|
@ -1,840 +0,0 @@
|
||||||
602,683
|
|
||||||
1297,593
|
|
||||||
1118,603
|
|
||||||
534,850
|
|
||||||
221,383
|
|
||||||
524,835
|
|
||||||
735,194
|
|
||||||
117,872
|
|
||||||
1233,648
|
|
||||||
1160,509
|
|
||||||
278,558
|
|
||||||
20,697
|
|
||||||
622,675
|
|
||||||
60,217
|
|
||||||
120,460
|
|
||||||
296,505
|
|
||||||
206,29
|
|
||||||
20,131
|
|
||||||
73,791
|
|
||||||
1014,535
|
|
||||||
708,473
|
|
||||||
1042,371
|
|
||||||
1243,672
|
|
||||||
1197,798
|
|
||||||
1218,586
|
|
||||||
62,885
|
|
||||||
48,843
|
|
||||||
880,170
|
|
||||||
788,729
|
|
||||||
816,401
|
|
||||||
969,47
|
|
||||||
1119,567
|
|
||||||
335,721
|
|
||||||
160,45
|
|
||||||
718,120
|
|
||||||
666,427
|
|
||||||
295,815
|
|
||||||
850,109
|
|
||||||
1208,618
|
|
||||||
388,427
|
|
||||||
177,481
|
|
||||||
149,481
|
|
||||||
676,197
|
|
||||||
216,708
|
|
||||||
646,696
|
|
||||||
206,546
|
|
||||||
641,749
|
|
||||||
242,353
|
|
||||||
1250,421
|
|
||||||
520,568
|
|
||||||
234,614
|
|
||||||
1218,308
|
|
||||||
817,579
|
|
||||||
934,586
|
|
||||||
84,737
|
|
||||||
244,676
|
|
||||||
1208,564
|
|
||||||
1220,409
|
|
||||||
473,665
|
|
||||||
426,740
|
|
||||||
1118,792
|
|
||||||
928,201
|
|
||||||
1061,213
|
|
||||||
577,200
|
|
||||||
862,641
|
|
||||||
892,492
|
|
||||||
150,201
|
|
||||||
898,322
|
|
||||||
641,847
|
|
||||||
848,703
|
|
||||||
392,329
|
|
||||||
1266,341
|
|
||||||
228,712
|
|
||||||
494,493
|
|
||||||
838,271
|
|
||||||
1148,778
|
|
||||||
1146,86
|
|
||||||
493,91
|
|
||||||
1126,105
|
|
||||||
576,551
|
|
||||||
234,651
|
|
||||||
838,267
|
|
||||||
561,502
|
|
||||||
606,801
|
|
||||||
1062,521
|
|
||||||
1074,402
|
|
||||||
166,45
|
|
||||||
460,480
|
|
||||||
1308,103
|
|
||||||
1067,476
|
|
||||||
1250,116
|
|
||||||
15,592
|
|
||||||
865,358
|
|
||||||
979,121
|
|
||||||
1014,743
|
|
||||||
848,102
|
|
||||||
1198,311
|
|
||||||
120,253
|
|
||||||
358,599
|
|
||||||
316,299
|
|
||||||
520,326
|
|
||||||
1116,148
|
|
||||||
1160,201
|
|
||||||
880,778
|
|
||||||
736,295
|
|
||||||
335,173
|
|
||||||
438,809
|
|
||||||
1178,544
|
|
||||||
74,565
|
|
||||||
902,659
|
|
||||||
831,859
|
|
||||||
564,185
|
|
||||||
776,44
|
|
||||||
376,275
|
|
||||||
125,812
|
|
||||||
922,330
|
|
||||||
130,205
|
|
||||||
671,317
|
|
||||||
92,308
|
|
||||||
295,303
|
|
||||||
771,744
|
|
||||||
492,534
|
|
||||||
380,840
|
|
||||||
902,683
|
|
||||||
65,86
|
|
||||||
887,448
|
|
||||||
1032,765
|
|
||||||
120,641
|
|
||||||
488,339
|
|
||||||
1293,23
|
|
||||||
733,470
|
|
||||||
952,595
|
|
||||||
909,831
|
|
||||||
99,642
|
|
||||||
166,555
|
|
||||||
922,841
|
|
||||||
1118,352
|
|
||||||
191,719
|
|
||||||
401,735
|
|
||||||
652,791
|
|
||||||
131,255
|
|
||||||
18,827
|
|
||||||
1000,488
|
|
||||||
1178,527
|
|
||||||
850,480
|
|
||||||
474,712
|
|
||||||
232,562
|
|
||||||
294,185
|
|
||||||
539,744
|
|
||||||
395,105
|
|
||||||
776,64
|
|
||||||
231,253
|
|
||||||
1292,382
|
|
||||||
954,408
|
|
||||||
488,401
|
|
||||||
382,649
|
|
||||||
842,427
|
|
||||||
634,131
|
|
||||||
150,649
|
|
||||||
1302,827
|
|
||||||
462,792
|
|
||||||
1148,116
|
|
||||||
262,742
|
|
||||||
716,217
|
|
||||||
729,159
|
|
||||||
425,366
|
|
||||||
463,175
|
|
||||||
1044,427
|
|
||||||
1228,703
|
|
||||||
668,61
|
|
||||||
1294,854
|
|
||||||
1062,373
|
|
||||||
79,194
|
|
||||||
296,702
|
|
||||||
659,243
|
|
||||||
773,872
|
|
||||||
806,833
|
|
||||||
671,302
|
|
||||||
686,299
|
|
||||||
480,722
|
|
||||||
88,75
|
|
||||||
92,243
|
|
||||||
882,607
|
|
||||||
850,253
|
|
||||||
1012,856
|
|
||||||
1032,250
|
|
||||||
410,71
|
|
||||||
142,789
|
|
||||||
1262,597
|
|
||||||
647,397
|
|
||||||
622,877
|
|
||||||
160,712
|
|
||||||
646,205
|
|
||||||
1108,885
|
|
||||||
582,575
|
|
||||||
771,150
|
|
||||||
624,299
|
|
||||||
411,726
|
|
||||||
132,445
|
|
||||||
505,861
|
|
||||||
376,558
|
|
||||||
974,56
|
|
||||||
132,320
|
|
||||||
877,635
|
|
||||||
624,254
|
|
||||||
629,689
|
|
||||||
746,402
|
|
||||||
1114,129
|
|
||||||
815,848
|
|
||||||
298,67
|
|
||||||
1056,716
|
|
||||||
356,255
|
|
||||||
356,827
|
|
||||||
624,147
|
|
||||||
216,123
|
|
||||||
142,341
|
|
||||||
900,218
|
|
||||||
910,709
|
|
||||||
1168,789
|
|
||||||
954,827
|
|
||||||
818,330
|
|
||||||
492,360
|
|
||||||
629,17
|
|
||||||
664,319
|
|
||||||
602,435
|
|
||||||
196,241
|
|
||||||
974,491
|
|
||||||
970,285
|
|
||||||
350,75
|
|
||||||
1299,894
|
|
||||||
1285,205
|
|
||||||
884,488
|
|
||||||
72,166
|
|
||||||
1168,322
|
|
||||||
370,178
|
|
||||||
1280,819
|
|
||||||
1220,485
|
|
||||||
321,844
|
|
||||||
95,357
|
|
||||||
90,485
|
|
||||||
77,470
|
|
||||||
8,67
|
|
||||||
298,603
|
|
||||||
934,308
|
|
||||||
644,369
|
|
||||||
192,191
|
|
||||||
248,359
|
|
||||||
575,334
|
|
||||||
298,291
|
|
||||||
62,120
|
|
||||||
100,288
|
|
||||||
903,642
|
|
||||||
147,543
|
|
||||||
898,775
|
|
||||||
1178,599
|
|
||||||
719,476
|
|
||||||
1062,7
|
|
||||||
1118,827
|
|
||||||
1118,219
|
|
||||||
708,883
|
|
||||||
401,831
|
|
||||||
1295,78
|
|
||||||
917,178
|
|
||||||
472,715
|
|
||||||
885,528
|
|
||||||
102,134
|
|
||||||
1116,752
|
|
||||||
3,46
|
|
||||||
1118,675
|
|
||||||
1081,156
|
|
||||||
22,371
|
|
||||||
184,789
|
|
||||||
1015,591
|
|
||||||
644,427
|
|
||||||
417,343
|
|
||||||
1307,46
|
|
||||||
755,866
|
|
||||||
954,255
|
|
||||||
325,159
|
|
||||||
151,213
|
|
||||||
32,877
|
|
||||||
1210,288
|
|
||||||
1119,623
|
|
||||||
82,683
|
|
||||||
60,778
|
|
||||||
989,50
|
|
||||||
348,322
|
|
||||||
708,683
|
|
||||||
278,765
|
|
||||||
336,295
|
|
||||||
733,694
|
|
||||||
560,292
|
|
||||||
564,402
|
|
||||||
1049,758
|
|
||||||
1094,771
|
|
||||||
412,322
|
|
||||||
1044,521
|
|
||||||
900,659
|
|
||||||
1245,30
|
|
||||||
1290,770
|
|
||||||
509,247
|
|
||||||
576,103
|
|
||||||
686,75
|
|
||||||
705,574
|
|
||||||
110,339
|
|
||||||
934,619
|
|
||||||
676,763
|
|
||||||
294,644
|
|
||||||
192,827
|
|
||||||
124,457
|
|
||||||
231,701
|
|
||||||
1076,243
|
|
||||||
102,842
|
|
||||||
192,281
|
|
||||||
1193,134
|
|
||||||
788,165
|
|
||||||
736,31
|
|
||||||
1084,607
|
|
||||||
1114,241
|
|
||||||
1009,205
|
|
||||||
1094,533
|
|
||||||
336,765
|
|
||||||
102,564
|
|
||||||
458,241
|
|
||||||
838,715
|
|
||||||
214,815
|
|
||||||
684,774
|
|
||||||
175,859
|
|
||||||
676,131
|
|
||||||
838,579
|
|
||||||
406,821
|
|
||||||
249,213
|
|
||||||
855,806
|
|
||||||
848,227
|
|
||||||
1222,75
|
|
||||||
1116,253
|
|
||||||
214,729
|
|
||||||
32,628
|
|
||||||
1168,372
|
|
||||||
295,79
|
|
||||||
393,30
|
|
||||||
1114,404
|
|
||||||
1033,320
|
|
||||||
1245,86
|
|
||||||
734,343
|
|
||||||
1216,292
|
|
||||||
602,473
|
|
||||||
807,651
|
|
||||||
520,165
|
|
||||||
1140,397
|
|
||||||
151,651
|
|
||||||
504,649
|
|
||||||
1213,366
|
|
||||||
918,565
|
|
||||||
263,777
|
|
||||||
600,693
|
|
||||||
326,723
|
|
||||||
336,129
|
|
||||||
571,642
|
|
||||||
1232,723
|
|
||||||
130,59
|
|
||||||
783,582
|
|
||||||
107,757
|
|
||||||
1057,894
|
|
||||||
1218,651
|
|
||||||
1250,217
|
|
||||||
167,885
|
|
||||||
1033,126
|
|
||||||
562,19
|
|
||||||
191,175
|
|
||||||
848,542
|
|
||||||
181,199
|
|
||||||
1280,864
|
|
||||||
769,684
|
|
||||||
1193,872
|
|
||||||
1098,653
|
|
||||||
1198,79
|
|
||||||
1159,651
|
|
||||||
562,586
|
|
||||||
458,404
|
|
||||||
1168,329
|
|
||||||
248,439
|
|
||||||
624,523
|
|
||||||
1200,339
|
|
||||||
406,535
|
|
||||||
544,85
|
|
||||||
584,301
|
|
||||||
435,842
|
|
||||||
571,54
|
|
||||||
512,372
|
|
||||||
651,243
|
|
||||||
1034,600
|
|
||||||
132,747
|
|
||||||
756,158
|
|
||||||
771,879
|
|
||||||
537,648
|
|
||||||
922,229
|
|
||||||
227,700
|
|
||||||
676,770
|
|
||||||
1180,689
|
|
||||||
769,798
|
|
||||||
1068,289
|
|
||||||
310,488
|
|
||||||
130,891
|
|
||||||
1047,441
|
|
||||||
401,63
|
|
||||||
1089,383
|
|
||||||
952,702
|
|
||||||
749,392
|
|
||||||
134,326
|
|
||||||
410,676
|
|
||||||
1101,694
|
|
||||||
18,830
|
|
||||||
594,105
|
|
||||||
440,815
|
|
||||||
82,703
|
|
||||||
460,871
|
|
||||||
1176,326
|
|
||||||
758,564
|
|
||||||
818,116
|
|
||||||
160,849
|
|
||||||
807,203
|
|
||||||
102,276
|
|
||||||
221,831
|
|
||||||
1145,222
|
|
||||||
8,632
|
|
||||||
965,871
|
|
||||||
1175,175
|
|
||||||
577,718
|
|
||||||
60,116
|
|
||||||
1036,449
|
|
||||||
790,568
|
|
||||||
52,446
|
|
||||||
1012,603
|
|
||||||
1089,259
|
|
||||||
766,533
|
|
||||||
1048,742
|
|
||||||
602,11
|
|
||||||
880,676
|
|
||||||
716,116
|
|
||||||
569,437
|
|
||||||
94,12
|
|
||||||
975,173
|
|
||||||
102,341
|
|
||||||
509,329
|
|
||||||
360,560
|
|
||||||
718,774
|
|
||||||
142,249
|
|
||||||
329,735
|
|
||||||
12,61
|
|
||||||
316,859
|
|
||||||
84,775
|
|
||||||
838,495
|
|
||||||
43,117
|
|
||||||
492,116
|
|
||||||
592,774
|
|
||||||
787,527
|
|
||||||
488,567
|
|
||||||
534,460
|
|
||||||
932,294
|
|
||||||
606,93
|
|
||||||
227,553
|
|
||||||
602,448
|
|
||||||
458,852
|
|
||||||
248,887
|
|
||||||
1250,373
|
|
||||||
602,813
|
|
||||||
1233,669
|
|
||||||
524,675
|
|
||||||
1232,171
|
|
||||||
1096,135
|
|
||||||
328,310
|
|
||||||
917,30
|
|
||||||
1278,266
|
|
||||||
20,763
|
|
||||||
644,817
|
|
||||||
1278,877
|
|
||||||
1036,445
|
|
||||||
462,227
|
|
||||||
1226,775
|
|
||||||
594,169
|
|
||||||
1036,813
|
|
||||||
472,271
|
|
||||||
433,259
|
|
||||||
918,329
|
|
||||||
962,315
|
|
||||||
840,789
|
|
||||||
595,35
|
|
||||||
1280,613
|
|
||||||
194,253
|
|
||||||
962,572
|
|
||||||
733,1
|
|
||||||
1175,551
|
|
||||||
726,301
|
|
||||||
52,11
|
|
||||||
1295,592
|
|
||||||
885,156
|
|
||||||
214,135
|
|
||||||
1144,45
|
|
||||||
676,579
|
|
||||||
552,217
|
|
||||||
639,86
|
|
||||||
716,677
|
|
||||||
458,42
|
|
||||||
294,485
|
|
||||||
425,290
|
|
||||||
594,725
|
|
||||||
1068,353
|
|
||||||
728,575
|
|
||||||
719,418
|
|
||||||
1302,487
|
|
||||||
974,151
|
|
||||||
527,582
|
|
||||||
987,121
|
|
||||||
333,498
|
|
||||||
212,138
|
|
||||||
1064,843
|
|
||||||
1226,723
|
|
||||||
900,823
|
|
||||||
209,200
|
|
||||||
969,369
|
|
||||||
1116,673
|
|
||||||
175,707
|
|
||||||
32,516
|
|
||||||
1268,121
|
|
||||||
880,249
|
|
||||||
1133,145
|
|
||||||
875,894
|
|
||||||
1150,45
|
|
||||||
1077,726
|
|
||||||
1091,757
|
|
||||||
1238,268
|
|
||||||
221,187
|
|
||||||
571,28
|
|
||||||
77,225
|
|
||||||
219,620
|
|
||||||
1086,329
|
|
||||||
102,330
|
|
||||||
984,275
|
|
||||||
156,721
|
|
||||||
95,607
|
|
||||||
1232,383
|
|
||||||
728,709
|
|
||||||
271,506
|
|
||||||
160,182
|
|
||||||
97,696
|
|
||||||
296,432
|
|
||||||
167,9
|
|
||||||
224,106
|
|
||||||
1128,579
|
|
||||||
740,801
|
|
||||||
974,743
|
|
||||||
1101,200
|
|
||||||
196,490
|
|
||||||
705,350
|
|
||||||
818,267
|
|
||||||
209,694
|
|
||||||
1292,399
|
|
||||||
837,665
|
|
||||||
1303,845
|
|
||||||
107,836
|
|
||||||
428,793
|
|
||||||
733,893
|
|
||||||
440,576
|
|
||||||
323,773
|
|
||||||
162,778
|
|
||||||
734,882
|
|
||||||
296,417
|
|
||||||
1150,182
|
|
||||||
1280,371
|
|
||||||
268,523
|
|
||||||
1211,252
|
|
||||||
472,267
|
|
||||||
1213,528
|
|
||||||
786,891
|
|
||||||
629,205
|
|
||||||
985,159
|
|
||||||
428,607
|
|
||||||
852,490
|
|
||||||
82,647
|
|
||||||
231,0
|
|
||||||
25,689
|
|
||||||
459,703
|
|
||||||
1208,330
|
|
||||||
28,588
|
|
||||||
1057,103
|
|
||||||
199,88
|
|
||||||
430,170
|
|
||||||
395,789
|
|
||||||
805,861
|
|
||||||
62,437
|
|
||||||
788,126
|
|
||||||
130,577
|
|
||||||
338,747
|
|
||||||
904,551
|
|
||||||
733,718
|
|
||||||
816,600
|
|
||||||
195,703
|
|
||||||
974,407
|
|
||||||
356,603
|
|
||||||
1193,806
|
|
||||||
602,367
|
|
||||||
674,67
|
|
||||||
1262,51
|
|
||||||
1203,757
|
|
||||||
773,22
|
|
||||||
887,446
|
|
||||||
1044,467
|
|
||||||
2,551
|
|
||||||
591,453
|
|
||||||
102,106
|
|
||||||
581,287
|
|
||||||
723,131
|
|
||||||
651,651
|
|
||||||
716,105
|
|
||||||
242,373
|
|
||||||
308,719
|
|
||||||
1208,665
|
|
||||||
1036,459
|
|
||||||
710,649
|
|
||||||
664,696
|
|
||||||
1076,84
|
|
||||||
1216,602
|
|
||||||
1178,449
|
|
||||||
828,408
|
|
||||||
54,245
|
|
||||||
554,549
|
|
||||||
10,525
|
|
||||||
728,319
|
|
||||||
734,103
|
|
||||||
30,96
|
|
||||||
1228,683
|
|
||||||
960,75
|
|
||||||
768,583
|
|
||||||
1144,339
|
|
||||||
331,121
|
|
||||||
298,186
|
|
||||||
1160,833
|
|
||||||
472,623
|
|
||||||
341,47
|
|
||||||
624,371
|
|
||||||
433,635
|
|
||||||
1066,683
|
|
||||||
1042,523
|
|
||||||
1298,61
|
|
||||||
90,492
|
|
||||||
1039,670
|
|
||||||
626,120
|
|
||||||
1278,516
|
|
||||||
112,79
|
|
||||||
54,201
|
|
||||||
410,659
|
|
||||||
996,285
|
|
||||||
524,219
|
|
||||||
60,617
|
|
||||||
1086,149
|
|
||||||
830,620
|
|
||||||
534,512
|
|
||||||
805,33
|
|
||||||
1290,197
|
|
||||||
410,218
|
|
||||||
1196,821
|
|
||||||
129,15
|
|
||||||
430,676
|
|
||||||
986,847
|
|
||||||
1303,49
|
|
||||||
1210,345
|
|
||||||
1154,397
|
|
||||||
1067,418
|
|
||||||
321,50
|
|
||||||
740,871
|
|
||||||
1268,684
|
|
||||||
816,787
|
|
||||||
534,64
|
|
||||||
750,292
|
|
||||||
412,775
|
|
||||||
376,308
|
|
||||||
301,205
|
|
||||||
482,486
|
|
||||||
1079,253
|
|
||||||
1104,796
|
|
||||||
534,253
|
|
||||||
1159,691
|
|
||||||
151,233
|
|
||||||
740,775
|
|
||||||
1126,789
|
|
||||||
535,588
|
|
||||||
296,295
|
|
||||||
1258,473
|
|
||||||
192,352
|
|
||||||
410,255
|
|
||||||
336,39
|
|
||||||
1220,709
|
|
||||||
1079,894
|
|
||||||
1111,88
|
|
||||||
473,199
|
|
||||||
1056,166
|
|
||||||
166,742
|
|
||||||
494,271
|
|
||||||
1248,550
|
|
||||||
1089,187
|
|
||||||
1054,476
|
|
||||||
1208,553
|
|
||||||
1215,565
|
|
||||||
1044,564
|
|
||||||
160,555
|
|
||||||
132,893
|
|
||||||
681,877
|
|
||||||
831,187
|
|
||||||
577,1
|
|
||||||
8,262
|
|
||||||
398,749
|
|
||||||
892,402
|
|
||||||
1082,182
|
|
||||||
1156,498
|
|
||||||
984,723
|
|
||||||
318,151
|
|
||||||
423,448
|
|
||||||
391,441
|
|
||||||
806,385
|
|
||||||
1133,481
|
|
||||||
298,197
|
|
||||||
594,217
|
|
||||||
1292,64
|
|
||||||
418,492
|
|
||||||
1238,136
|
|
||||||
1226,23
|
|
||||||
1215,537
|
|
||||||
147,95
|
|
||||||
1237,791
|
|
||||||
1036,670
|
|
||||||
684,421
|
|
||||||
1280,23
|
|
||||||
266,521
|
|
||||||
1091,274
|
|
||||||
589,86
|
|
||||||
1208,394
|
|
||||||
1119,719
|
|
||||||
78,723
|
|
||||||
135,343
|
|
||||||
1261,126
|
|
||||||
80,683
|
|
||||||
940,268
|
|
||||||
65,850
|
|
||||||
234,691
|
|
||||||
400,716
|
|
||||||
1048,210
|
|
||||||
32,334
|
|
||||||
927,388
|
|
||||||
821,222
|
|
||||||
758,106
|
|
||||||
196,129
|
|
||||||
1135,651
|
|
||||||
890,467
|
|
||||||
93,392
|
|
||||||
1158,620
|
|
||||||
8,39
|
|
||||||
715,35
|
|
||||||
806,201
|
|
||||||
97,366
|
|
||||||
997,847
|
|
||||||
438,634
|
|
||||||
246,683
|
|
||||||
102,394
|
|
||||||
60,169
|
|
||||||
10,77
|
|
||||||
1082,712
|
|
||||||
488,493
|
|
||||||
370,268
|
|
||||||
156,397
|
|
||||||
1218,728
|
|
||||||
30,595
|
|
||||||
77,246
|
|
||||||
107,137
|
|
||||||
904,535
|
|
||||||
987,773
|
|
||||||
344,406
|
|
||||||
1308,551
|
|
||||||
324,847
|
|
||||||
348,315
|
|
||||||
1118,281
|
|
||||||
1278,334
|
|
||||||
658,103
|
|
||||||
426,236
|
|
||||||
462,165
|
|
||||||
426,658
|
|
||||||
659,46
|
|
||||||
1168,645
|
|
||||||
972,77
|
|
||||||
406,73
|
|
||||||
42,684
|
|
||||||
1014,505
|
|
||||||
226,607
|
|
||||||
8,407
|
|
||||||
728,185
|
|
||||||
313,847
|
|
||||||
1178,893
|
|
||||||
1166,399
|
|
||||||
848,729
|
|
||||||
452,9
|
|
||||||
542,352
|
|
||||||
1280,595
|
|
||||||
524,689
|
|
||||||
105,259
|
|
||||||
1068,745
|
|
||||||
1081,80
|
|
||||||
639,368
|
|
||||||
756,233
|
|
||||||
639,317
|
|
||||||
92,586
|
|
||||||
1116,221
|
|
||||||
112,718
|
|
||||||
624,747
|
|
||||||
1233,1
|
|
||||||
1215,607
|
|
||||||
1039,388
|
|
||||||
382,245
|
|
||||||
1295,86
|
|
||||||
582,185
|
|
||||||
952,599
|
|
||||||
440,191
|
|
||||||
458,689
|
|
||||||
62,550
|
|
||||||
186,467
|
|
||||||
1084,287
|
|
||||||
1245,416
|
|
||||||
790,820
|
|
||||||
|
|
||||||
fold along x=655
|
|
||||||
fold along y=447
|
|
||||||
fold along x=327
|
|
||||||
fold along y=223
|
|
||||||
fold along x=163
|
|
||||||
fold along y=111
|
|
||||||
fold along x=81
|
|
||||||
fold along y=55
|
|
||||||
fold along x=40
|
|
||||||
fold along y=27
|
|
||||||
fold along y=13
|
|
||||||
fold along y=6
|
|
||||||
104
day14.rkt
104
day14.rkt
|
|
@ -1,104 +0,0 @@
|
||||||
#lang racket
|
|
||||||
|
|
||||||
(define input
|
|
||||||
(let* ([lines (file->lines "day14.txt")]
|
|
||||||
[template (first lines)]
|
|
||||||
[rule-strings (drop lines 2)]
|
|
||||||
[rules (map (λ (rs) (string-split rs " -> ")) rule-strings)])
|
|
||||||
(list template rules)))
|
|
||||||
|
|
||||||
(define template (first input))
|
|
||||||
(define rules (second input))
|
|
||||||
|
|
||||||
(define (find-pairs template)
|
|
||||||
(reverse
|
|
||||||
(foldl (λ (el acc) (cons (substring template el (+ 2 el)) acc))
|
|
||||||
'()
|
|
||||||
(range 0 (sub1 (string-length template))))))
|
|
||||||
|
|
||||||
(define (find-inserts pairs rules)
|
|
||||||
(map (λ (p) (second (assoc p rules))) pairs))
|
|
||||||
|
|
||||||
(define (insert-pairs template inserts)
|
|
||||||
(foldl (λ (idx acc)
|
|
||||||
(let* ([x (string (string-ref template idx))]
|
|
||||||
[insert (list-ref (append inserts (list "")) idx)])
|
|
||||||
(string-append acc x insert)))
|
|
||||||
"" (range 0 (string-length template))))
|
|
||||||
|
|
||||||
(define (step template rules)
|
|
||||||
(let* ([pairs (find-pairs template)]
|
|
||||||
[inserts (find-inserts pairs rules)]
|
|
||||||
[next (insert-pairs template inserts)])
|
|
||||||
next))
|
|
||||||
|
|
||||||
(define (element-counts str)
|
|
||||||
(let* ([lst (map string (string->list str))]
|
|
||||||
[ht (make-hash)])
|
|
||||||
(for-each (λ (x) (hash-set! ht x (+ 1 (hash-ref ht x 0)))) lst)
|
|
||||||
ht))
|
|
||||||
|
|
||||||
(define part1
|
|
||||||
(let* ([final (foldl (λ (i acc) (step acc rules)) template (range 0 10))]
|
|
||||||
[counts (element-counts final)]
|
|
||||||
[values (hash-values counts)]
|
|
||||||
[minimum (apply min values)]
|
|
||||||
[maximum (apply max values)]
|
|
||||||
[diff (- maximum minimum)])
|
|
||||||
diff))
|
|
||||||
|
|
||||||
part1
|
|
||||||
|
|
||||||
; PART 2
|
|
||||||
; uhoh. start over
|
|
||||||
|
|
||||||
(define (inc-hash ht key amount)
|
|
||||||
(hash-set! ht key (+ amount (hash-ref! ht key 0))))
|
|
||||||
|
|
||||||
(define (dec-hash ht key amount)
|
|
||||||
(hash-set! ht key (- (hash-ref! ht key 0) amount)))
|
|
||||||
|
|
||||||
(define (step2 ht)
|
|
||||||
(define pairs (filter (λ (p) (> (cdr p) 0)) (hash->list ht)))
|
|
||||||
(for-each (λ (pair-and-count)
|
|
||||||
(let* ([pair (car pair-and-count)]
|
|
||||||
[count (cdr pair-and-count)]
|
|
||||||
[ins (second (assoc pair rules))]
|
|
||||||
[new1 (string-append (substring pair 0 1) ins)]
|
|
||||||
[new2 (string-append ins (substring pair 1 2))])
|
|
||||||
(inc-hash ht new1 count)
|
|
||||||
(inc-hash ht new2 count)
|
|
||||||
(dec-hash ht pair count)))
|
|
||||||
pairs)
|
|
||||||
ht)
|
|
||||||
|
|
||||||
(define (pairs->element-counts ht)
|
|
||||||
(let* ([el-ht (make-hash)]
|
|
||||||
[pair-counts (hash->list ht)])
|
|
||||||
(for-each (λ (p) (let* ([pair (car p)]
|
|
||||||
[el1 (substring pair 0 1)]
|
|
||||||
[el2 (substring pair 1 2)]
|
|
||||||
[count (cdr p)])
|
|
||||||
(inc-hash el-ht el1 count)
|
|
||||||
(inc-hash el-ht el2 count)))
|
|
||||||
pair-counts)
|
|
||||||
el-ht))
|
|
||||||
|
|
||||||
(define part2
|
|
||||||
(let* ([ht (make-hash)]
|
|
||||||
[pairs (find-pairs template)]) ; find the initial pairs in the template
|
|
||||||
(for-each (λ (pair) (inc-hash ht pair 1)) pairs) ; add them to the hash table
|
|
||||||
(let* ([res (foldl (λ (el acc) (step2 acc)) ht (range 0 40))] ; step!
|
|
||||||
[el-counts (pairs->element-counts res)]
|
|
||||||
[first-char (substring template 0 1)]
|
|
||||||
[last-char (substring template (sub1 (string-length template)))])
|
|
||||||
(inc-hash el-counts first-char 1) ; add the first..
|
|
||||||
(inc-hash el-counts last-char 1) ; and last chars twice..
|
|
||||||
(let* ([lst (hash-map el-counts (λ (key val) (list key (/ val 2))))] ; then divide everything by 2
|
|
||||||
[values (map second lst)]
|
|
||||||
[minimum (apply min values)]
|
|
||||||
[maximum (apply max values)]
|
|
||||||
[diff (- maximum minimum)])
|
|
||||||
diff))))
|
|
||||||
|
|
||||||
part2
|
|
||||||
|
|
@ -1,18 +0,0 @@
|
||||||
NNCB
|
|
||||||
|
|
||||||
CH -> B
|
|
||||||
HH -> N
|
|
||||||
CB -> H
|
|
||||||
NH -> C
|
|
||||||
HB -> C
|
|
||||||
HC -> B
|
|
||||||
HN -> C
|
|
||||||
NN -> C
|
|
||||||
BH -> H
|
|
||||||
NC -> B
|
|
||||||
NB -> B
|
|
||||||
BN -> B
|
|
||||||
BB -> N
|
|
||||||
BC -> B
|
|
||||||
CC -> N
|
|
||||||
CN -> C
|
|
||||||
102
day14.txt
102
day14.txt
|
|
@ -1,102 +0,0 @@
|
||||||
BNSOSBBKPCSCPKPOPNNK
|
|
||||||
|
|
||||||
HH -> N
|
|
||||||
CO -> F
|
|
||||||
BC -> O
|
|
||||||
HN -> V
|
|
||||||
SV -> S
|
|
||||||
FS -> F
|
|
||||||
CV -> F
|
|
||||||
KN -> F
|
|
||||||
OP -> H
|
|
||||||
VN -> P
|
|
||||||
PF -> P
|
|
||||||
HP -> H
|
|
||||||
FK -> K
|
|
||||||
BS -> F
|
|
||||||
FP -> H
|
|
||||||
FN -> V
|
|
||||||
VV -> O
|
|
||||||
PS -> S
|
|
||||||
SK -> N
|
|
||||||
FF -> K
|
|
||||||
PK -> V
|
|
||||||
OF -> N
|
|
||||||
VP -> K
|
|
||||||
KB -> H
|
|
||||||
OV -> B
|
|
||||||
CH -> F
|
|
||||||
SF -> F
|
|
||||||
NH -> O
|
|
||||||
NC -> N
|
|
||||||
SP -> N
|
|
||||||
NN -> F
|
|
||||||
OK -> S
|
|
||||||
BB -> S
|
|
||||||
NK -> S
|
|
||||||
FH -> P
|
|
||||||
FC -> S
|
|
||||||
OB -> P
|
|
||||||
VS -> P
|
|
||||||
BF -> S
|
|
||||||
HC -> V
|
|
||||||
CK -> O
|
|
||||||
NP -> K
|
|
||||||
KV -> S
|
|
||||||
OS -> V
|
|
||||||
CF -> V
|
|
||||||
FB -> C
|
|
||||||
HO -> S
|
|
||||||
BV -> V
|
|
||||||
KS -> C
|
|
||||||
HB -> S
|
|
||||||
SO -> N
|
|
||||||
PH -> C
|
|
||||||
PN -> F
|
|
||||||
OC -> F
|
|
||||||
KO -> F
|
|
||||||
VF -> V
|
|
||||||
CS -> O
|
|
||||||
VK -> O
|
|
||||||
FV -> N
|
|
||||||
OO -> K
|
|
||||||
NS -> S
|
|
||||||
KK -> C
|
|
||||||
FO -> S
|
|
||||||
PV -> S
|
|
||||||
CN -> O
|
|
||||||
VC -> P
|
|
||||||
SS -> C
|
|
||||||
PO -> P
|
|
||||||
BN -> N
|
|
||||||
PB -> N
|
|
||||||
PC -> H
|
|
||||||
SH -> K
|
|
||||||
BH -> F
|
|
||||||
HK -> O
|
|
||||||
VB -> P
|
|
||||||
NV -> O
|
|
||||||
NB -> C
|
|
||||||
CP -> H
|
|
||||||
NO -> K
|
|
||||||
PP -> N
|
|
||||||
CC -> S
|
|
||||||
CB -> K
|
|
||||||
VH -> H
|
|
||||||
SC -> C
|
|
||||||
KC -> N
|
|
||||||
SB -> B
|
|
||||||
BP -> P
|
|
||||||
KP -> K
|
|
||||||
SN -> H
|
|
||||||
KF -> K
|
|
||||||
KH -> B
|
|
||||||
HV -> V
|
|
||||||
HS -> K
|
|
||||||
NF -> B
|
|
||||||
ON -> H
|
|
||||||
BO -> P
|
|
||||||
VO -> K
|
|
||||||
OH -> C
|
|
||||||
HF -> O
|
|
||||||
BK -> H
|
|
||||||
152
day16.rkt
152
day16.rkt
|
|
@ -1,152 +0,0 @@
|
||||||
#lang racket
|
|
||||||
|
|
||||||
(define (string->string-list str)
|
|
||||||
(map string (string->list str)))
|
|
||||||
|
|
||||||
;(define input "D2FE28")
|
|
||||||
;(define input "38006F45291200")
|
|
||||||
;(define input "EE00D40C823060")
|
|
||||||
;(define input "8A004A801A8002F478")
|
|
||||||
;(define input "620080001611562C8802118E34")
|
|
||||||
;(define input "C0015000016115A2E0802F182340")
|
|
||||||
;(define input "A0016C880162017C3686B18A3D4780")
|
|
||||||
|
|
||||||
;(define input "C200B40A82") ; 1 + 2
|
|
||||||
;(define input "04005AC33890") ; 6 * 9
|
|
||||||
;(define input "880086C3E88112") ; min 7 8 9
|
|
||||||
;(define input "CE00C43D881120") ; max 7 8 9
|
|
||||||
;(define input "D8005AC2A8F0") ; 5 < 15
|
|
||||||
;(define input "F600BC2D8F") ; 5 > 15
|
|
||||||
;(define input "9C005AC2F8F0") ; 5 = 15
|
|
||||||
;(define input "9C0141080250320F1802104A08") ; 1 + 3 = 2 * 2
|
|
||||||
|
|
||||||
(define input (first (file->lines "day16.txt")))
|
|
||||||
|
|
||||||
(define bins (list (list "0" "0000")
|
|
||||||
(list "1" "0001")
|
|
||||||
(list "2" "0010")
|
|
||||||
(list "3" "0011")
|
|
||||||
(list "4" "0100")
|
|
||||||
(list "5" "0101")
|
|
||||||
(list "6" "0110")
|
|
||||||
(list "7" "0111")
|
|
||||||
(list "8" "1000")
|
|
||||||
(list "9" "1001")
|
|
||||||
(list "A" "1010")
|
|
||||||
(list "B" "1011")
|
|
||||||
(list "C" "1100")
|
|
||||||
(list "D" "1101")
|
|
||||||
(list "E" "1110")
|
|
||||||
(list "F" "1111")))
|
|
||||||
|
|
||||||
(define (all-but-last lst)
|
|
||||||
(take lst (- (length lst) 1)))
|
|
||||||
|
|
||||||
(define (h2b hex-str) ; todo make this suck less
|
|
||||||
(let* ([hex-list (string->string-list hex-str)]
|
|
||||||
[binary-list (map (λ (x) (second (assoc x bins))) hex-list)])
|
|
||||||
(apply string-append binary-list)))
|
|
||||||
|
|
||||||
(define (b2d bin-str)
|
|
||||||
(string->number bin-str 2))
|
|
||||||
|
|
||||||
(define versions (make-hash))
|
|
||||||
|
|
||||||
(define (parse-literal str)
|
|
||||||
(let* ([res (read-literal str)]
|
|
||||||
[len (string-length res)]
|
|
||||||
[rest (substring str (+ (/ len 4) len))]
|
|
||||||
[dec (b2d res)])
|
|
||||||
;(printf "parse-literal. returning: ~s~n" (list dec rest))
|
|
||||||
(list dec rest)))
|
|
||||||
|
|
||||||
(define (read-literal str)
|
|
||||||
;(printf "read-literal ~s~n" str)
|
|
||||||
(let loop ([group str])
|
|
||||||
(let* ([first (substring group 0 1)]
|
|
||||||
[next-four (substring group 1 5)]
|
|
||||||
[rest (substring group 5)])
|
|
||||||
(if (equal? first "0")
|
|
||||||
next-four
|
|
||||||
(string-append next-four (loop rest))))))
|
|
||||||
|
|
||||||
(define (length-id-0 str)
|
|
||||||
(let* ([len (b2d (substring str 0 15))]
|
|
||||||
[inner (substring str 15 (+ 15 len))]
|
|
||||||
[rest (substring str (+ 15 len))]
|
|
||||||
;[_ (printf "length-id-0 str: ~s len: ~s inner: ~s rest: ~s~n" str len inner rest)]
|
|
||||||
[res (parse-multiple inner)]
|
|
||||||
[res-value (all-but-last res)])
|
|
||||||
(list res-value rest)))
|
|
||||||
|
|
||||||
(define (parse-multiple str)
|
|
||||||
;(printf "parse-multpile ~s~n" str)
|
|
||||||
(let loop ([group str])
|
|
||||||
(let* ([res (parse group)]
|
|
||||||
[data (first res)]
|
|
||||||
[rest (second res)])
|
|
||||||
;(printf "parse-multiple loop res: ~s data: ~s rest: ~s~n" res data rest)
|
|
||||||
(if (= 0 (string-length rest))
|
|
||||||
(list data rest)
|
|
||||||
(cons data (loop rest))))))
|
|
||||||
|
|
||||||
(define (length-id-1 str)
|
|
||||||
(let* ([num (b2d (substring str 0 11))]
|
|
||||||
[rest (substring str 11)]
|
|
||||||
;[_ (printf "length-id-1. str: ~s num: ~s rest: ~s~n" str num rest)]
|
|
||||||
[res (parse-n rest num)])
|
|
||||||
;(printf "length-id-1 done. res: ~s~n" res)
|
|
||||||
res))
|
|
||||||
|
|
||||||
(define (parse-n str num)
|
|
||||||
;(printf "parse-n ~s ~s~n" str num)
|
|
||||||
(let loop ([group str]
|
|
||||||
[n num])
|
|
||||||
;(printf "parse-n loop ~s ~s~n" group n)
|
|
||||||
(let* ([res (parse group)]
|
|
||||||
[data (first res)]
|
|
||||||
[rest (second res)])
|
|
||||||
;(printf "parse-n loop res: ~s data: ~s rest: ~s n: ~s~n" res data rest n)
|
|
||||||
(if (= 1 n)
|
|
||||||
(list data rest)
|
|
||||||
(cons data (loop rest (sub1 n)))))))
|
|
||||||
|
|
||||||
(define (parse-operator str)
|
|
||||||
(let* ([length-type-id (substring str 0 1)])
|
|
||||||
;(printf "parse-operator ~s. length-type-id: ~s~n" str length-type-id)
|
|
||||||
(if (equal? length-type-id "0")
|
|
||||||
(length-id-0 (substring str 1))
|
|
||||||
(length-id-1 (substring str 1)))))
|
|
||||||
|
|
||||||
(define (gt x y) (if (> x y) 1 0))
|
|
||||||
(define (lt x y) (if (< x y) 1 0))
|
|
||||||
(define (eq x y) (if (equal? x y) 1 0))
|
|
||||||
|
|
||||||
(define (parse str)
|
|
||||||
;(printf "parse ~s~n" str)
|
|
||||||
(let* ([version (substring str 0 3)]
|
|
||||||
[dec-version (b2d version)]
|
|
||||||
[type-id (substring str 3 6)]
|
|
||||||
[body (substring str 6)]
|
|
||||||
[op (cond [(equal? type-id "100") first]
|
|
||||||
[(equal? type-id "000") (λ (x) (apply + x))]
|
|
||||||
[(equal? type-id "001") (λ (x) (apply * x))]
|
|
||||||
[(equal? type-id "010") (λ (x) (apply min x))]
|
|
||||||
[(equal? type-id "011") (λ (x) (apply max x))]
|
|
||||||
[(equal? type-id "101") (λ (x) (gt (first x) (second x)))]
|
|
||||||
[(equal? type-id "110") (λ (x) (lt (first x) (second x)))]
|
|
||||||
[(equal? type-id "111") (λ (x) (eq (first x) (second x)))])]
|
|
||||||
[res-list ((if (equal? type-id "100") parse-literal parse-operator) body)]
|
|
||||||
[res (flatten (all-but-last res-list))]
|
|
||||||
[post-op (op res)]
|
|
||||||
[rest (last res-list)])
|
|
||||||
;(printf "bottom of parse. res: ~s rest: ~s post-op: ~s~n" res rest post-op)
|
|
||||||
(hash-set! versions 'count (+ dec-version (hash-ref! versions 'count 0)))
|
|
||||||
(list post-op rest)))
|
|
||||||
|
|
||||||
(define go
|
|
||||||
(let* ([str (h2b input)])
|
|
||||||
(first (parse str))))
|
|
||||||
|
|
||||||
go
|
|
||||||
versions
|
|
||||||
|
|
@ -1 +0,0 @@
|
||||||
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
|
|
||||||
79
day17.rkt
79
day17.rkt
|
|
@ -1,79 +0,0 @@
|
||||||
#lang racket
|
|
||||||
|
|
||||||
(define target
|
|
||||||
(let* (;[input "target area: x=20..30, y=-10..-5"]
|
|
||||||
[input "target area: x=144..178, y=-100..-76"]
|
|
||||||
[regex #rx"x=([^\\.]+)\\.\\.([^\\.]+), y=([^\\.]+)\\.\\.([^\\.]+)"]
|
|
||||||
[matches (regexp-match regex input)]
|
|
||||||
[coords (drop matches 1)])
|
|
||||||
(map string->number coords)))
|
|
||||||
|
|
||||||
(define (point-in-target? point)
|
|
||||||
(match-let* ([(list x y) point]
|
|
||||||
[(list x1 x2 y1 y2) target])
|
|
||||||
(and (>= x x1) (<= x x2)
|
|
||||||
(>= y y1) (<= y y2))))
|
|
||||||
|
|
||||||
(define (point-past-target? point)
|
|
||||||
(match-let* ([(list x y) point]
|
|
||||||
[(list x1 x2 y1 y2) target])
|
|
||||||
(or (> x x2) (< y y1))))
|
|
||||||
|
|
||||||
(define (step point velocity)
|
|
||||||
(match-let ([(list x y) point]
|
|
||||||
[(list dx dy) velocity])
|
|
||||||
(let* ([new-point (list (+ x dx) (+ y dy))]
|
|
||||||
[dx-op (if (= dx 0) identity (if (> dx 0) sub1 add1))]
|
|
||||||
[new-velocity (list (dx-op dx) (sub1 dy))])
|
|
||||||
(values new-point new-velocity))))
|
|
||||||
|
|
||||||
(define (good-velocity? point velocity)
|
|
||||||
(if (point-in-target? point)
|
|
||||||
#t
|
|
||||||
(if (point-past-target? point)
|
|
||||||
#f
|
|
||||||
(let-values ([(p2 v2) (step point velocity)])
|
|
||||||
(good-velocity? p2 v2)))))
|
|
||||||
|
|
||||||
; shoot it as high as you can
|
|
||||||
; such that it never goes *below* the bottom of the target
|
|
||||||
; bottom of target: -10 in the example
|
|
||||||
; by the time it gets back to 0, dy is equal to -initial dy
|
|
||||||
; so.. initial dy can't be > -10? set it to 9 and find a valid x
|
|
||||||
|
|
||||||
(define (find-max-velocity)
|
|
||||||
(let* ([dy (sub1 (* -1 (third target)))])
|
|
||||||
(let loop ([dx 0])
|
|
||||||
(if (good-velocity? '(0 0) (list dx dy))
|
|
||||||
(list dx dy)
|
|
||||||
(loop (add1 dx))))))
|
|
||||||
|
|
||||||
(define (find-max-height velocity)
|
|
||||||
(let loop ([p '(0 0)]
|
|
||||||
[v velocity])
|
|
||||||
(let-values ([(p2 v2) (step p v)])
|
|
||||||
(if (= 0 (second v2))
|
|
||||||
(second p2)
|
|
||||||
(loop p2 v2)))))
|
|
||||||
|
|
||||||
(define part1
|
|
||||||
(let* ([v (find-max-velocity)]
|
|
||||||
[height (find-max-height v)])
|
|
||||||
height))
|
|
||||||
|
|
||||||
part1
|
|
||||||
|
|
||||||
; PART 2
|
|
||||||
|
|
||||||
(define part2
|
|
||||||
(let* ([dy-max (* -1 (third target))]
|
|
||||||
[dy-min (* -1 dy-max)]
|
|
||||||
[dx-max (* 2 (second target))]
|
|
||||||
[all (apply append
|
|
||||||
(for/list ([dy (range dy-min dy-max)])
|
|
||||||
(for/list ([dx (range 0 dx-max)])
|
|
||||||
(list dx dy (good-velocity? '(0 0) (list dx dy))))))]
|
|
||||||
[goods (filter (λ (x) (third x)) all)])
|
|
||||||
(length goods)))
|
|
||||||
|
|
||||||
part2
|
|
||||||
14
day8.rkt
14
day8.rkt
|
|
@ -22,7 +22,17 @@ part1
|
||||||
; part 2
|
; part 2
|
||||||
|
|
||||||
; Can we just count the number of times a segment appears?
|
; Can we just count the number of times a segment appears?
|
||||||
; No. Damn. But it gets us close. Naming the segments A - G
|
; From the example:
|
||||||
|
;
|
||||||
|
; a = 8
|
||||||
|
; b = 6
|
||||||
|
; c = 8 * dup
|
||||||
|
; d = 7
|
||||||
|
; e = 4
|
||||||
|
; f = 9
|
||||||
|
; g = 7 * dup again
|
||||||
|
;
|
||||||
|
; So no. But it's still helpful. Naming the segments A - G
|
||||||
;
|
;
|
||||||
; A has 8 instances and IS NOT in 1
|
; A has 8 instances and IS NOT in 1
|
||||||
; B has 6 instances
|
; B has 6 instances
|
||||||
|
|
@ -80,4 +90,4 @@ part1
|
||||||
(define part2
|
(define part2
|
||||||
(foldl (λ (l acc) (+ acc (line->number l))) 0 data))
|
(foldl (λ (l acc) (+ acc (line->number l))) 0 data))
|
||||||
|
|
||||||
part2
|
part2
|
||||||
84
day9.rkt
84
day9.rkt
|
|
@ -1,84 +0,0 @@
|
||||||
#lang racket
|
|
||||||
|
|
||||||
(define (map-map f lst) ; map . map
|
|
||||||
(map (λ (x) (map (λ (y) (f y)) x)) lst))
|
|
||||||
|
|
||||||
(define (char->num chr) ; i hate this
|
|
||||||
(second (assoc chr (list '(#\0 0) '(#\1 1) '(#\2 2) '(#\3 3) '(#\4 4) '(#\5 5) '(#\6 6) '(#\7 7) '(#\8 8) '(#\9 9)))))
|
|
||||||
|
|
||||||
(define grid ; file -> list of lists of numbers
|
|
||||||
(map-map char->num
|
|
||||||
(map string->list
|
|
||||||
(file->lines "day9.txt"))))
|
|
||||||
|
|
||||||
(define (grid-value grid row col) ; value of grid at (row, col)
|
|
||||||
(if (or (< row 0) (> row (sub1 (length grid))) (< col 0) (> col (sub1 (length (first grid))))) ; if out of bounds
|
|
||||||
#f
|
|
||||||
(list-ref (list-ref grid row) col)))
|
|
||||||
|
|
||||||
(define (neighbors grid row col) ; list of values of neighbors to (row, col)
|
|
||||||
(filter identity ; filter out #f
|
|
||||||
(list (grid-value grid row (sub1 col))
|
|
||||||
(grid-value grid row (add1 col))
|
|
||||||
(grid-value grid (sub1 row) col)
|
|
||||||
(grid-value grid (add1 row) col))))
|
|
||||||
|
|
||||||
(define (is-lowest? grid row col) ; is (row, col) a low point
|
|
||||||
(let ([ns (neighbors grid row col)]
|
|
||||||
[val (grid-value grid row col)])
|
|
||||||
(foldl (λ (n acc) (and (< val n) acc)) #t ns)))
|
|
||||||
|
|
||||||
(define (low-point-coords grid) ; list of all low point coordinates in the grid
|
|
||||||
(let ([width (length (first grid))]
|
|
||||||
[height (length grid)])
|
|
||||||
(apply append ; flatten the list one level
|
|
||||||
(for/list ([row (range 0 height)]) ; using a for. i caved
|
|
||||||
(filter identity ; filter out #f
|
|
||||||
(for/list ([col (range 0 width)])
|
|
||||||
(if (is-lowest? grid row col)
|
|
||||||
(list row col)
|
|
||||||
#f)))))))
|
|
||||||
|
|
||||||
(define (low-point-values grid) ; the values of all of the low points in a grid
|
|
||||||
(let* ([points (low-point-coords grid)])
|
|
||||||
(map (λ (p) (grid-value grid (first p) (second p))) points)))
|
|
||||||
|
|
||||||
(define part1
|
|
||||||
(let* ([points (low-point-values grid)]
|
|
||||||
[risk-levels (map add1 points)])
|
|
||||||
(foldl + 0 risk-levels)))
|
|
||||||
|
|
||||||
part1
|
|
||||||
|
|
||||||
; PART 2
|
|
||||||
|
|
||||||
(define (neighbors-coords row col) ; list of _coordinates_ of neighbors to (row, col)
|
|
||||||
(list
|
|
||||||
(list row (sub1 col))
|
|
||||||
(list row (add1 col))
|
|
||||||
(list (sub1 row) col)
|
|
||||||
(list (add1 row) col)))
|
|
||||||
|
|
||||||
(define (find-basin-around-point grid row col)
|
|
||||||
(define visited (make-hash))
|
|
||||||
(let loop ([r row] [c col])
|
|
||||||
(let* ([ns (neighbors-coords r c)] ; get all the neighboring coordinates
|
|
||||||
[ns-to-visit (filter (λ (n) (and
|
|
||||||
(grid-value grid (first n) (second n)) ; filter out out-of-bounds
|
|
||||||
(not (equal? (grid-value grid (first n) (second n)) 9)) ; and 9s
|
|
||||||
(not (hash-ref visited n #f)))) ns)]) ; and the ones we've seen
|
|
||||||
(hash-set! visited (list r c) (grid-value grid r c)) ; add this to the list of coordinates we've visited
|
|
||||||
(for-each (λ (n) (loop (first n) (second n))) ns-to-visit) ; recurse over the neighbors
|
|
||||||
(hash->list visited))))
|
|
||||||
|
|
||||||
(define (find-all-basins grid)
|
|
||||||
(let* ([points (low-point-coords grid)])
|
|
||||||
(map (λ (p) (find-basin-around-point grid (first p) (second p))) points)))
|
|
||||||
|
|
||||||
(define part2
|
|
||||||
(let* ([basins (find-all-basins grid)]
|
|
||||||
[top3 (take (sort basins (λ (x y) (> (length x) (length y)))) 3)]
|
|
||||||
[lengths (map length top3)])
|
|
||||||
(foldl * 1 lengths)))
|
|
||||||
|
|
||||||
part2
|
|
||||||
|
|
@ -1,5 +0,0 @@
|
||||||
2199943210
|
|
||||||
3987894921
|
|
||||||
9856789892
|
|
||||||
8767896789
|
|
||||||
9899965678
|
|
||||||
100
day9.txt
100
day9.txt
|
|
@ -1,100 +0,0 @@
|
||||||
7857679876545987643256789767894592129875432345678987543234598754567892349964345943210127899434954345
|
|
||||||
6746567987796997664146789656953989349754321234799998999109989843467993498895659854322345678949893233
|
|
||||||
5434458998989876543234599545899878998654320123678999878998975432358789987789798765563456899998789102
|
|
||||||
4523347999978989854845678938798767999865431334567898965987654321345678965678969887678567943987678913
|
|
||||||
3210156899866698766789789325679656799876565457678967994398775210123889323589943998789689659876568995
|
|
||||||
6521238789654569977899999734569545689987897568989356789219885424344994214567892129899898798765456789
|
|
||||||
7434345699943456998988997645698734567899998689396467896323965435656789105878964298901949899876569893
|
|
||||||
6575656897899569879567998787987645678954349891296598985434597545669993216789995987912934978987679932
|
|
||||||
7689787896798979967467899898998776789763212989987679876545698756778954323899989876899899867899889321
|
|
||||||
8799898965987898652379997999319887898765343679998993997677789767889997434568979785679759878998995432
|
|
||||||
9890969754346789743498985689929998969876954567899612398798999878997986545679765654349643989876799546
|
|
||||||
6921349943235997655697674579898789456989895678996543459989989989876597876789654321238952099865688957
|
|
||||||
5432677890196898766987543498766564349998789989989965569878979998765498997899766610177893198764567898
|
|
||||||
6563456789989929877999432349654323298987678996569896698767767898754349898949877532456789299853466789
|
|
||||||
9874569899878912988998921234965210197656588923456789987654356789895456789234998743767899985432345789
|
|
||||||
5986798998767893499987990159874343299743486794578994596543246899976567890126789654879998976545456789
|
|
||||||
4987987979878989598896889346989554987632375689689753987854345678997688921347899767989987987698578899
|
|
||||||
3299876768989569987675679956987665696521234678999762598985457899998789435489965988999875698987679998
|
|
||||||
2198765656795498795454567897898796985432345989689653459876578999989899876567894599998764529498789767
|
|
||||||
4987654345694349654323479989999989876568656796577994967989789789865956989978953456989843213359895456
|
|
||||||
5698963236589298765474589767898767987899978965466789878999896678954545792989432349876543101234976569
|
|
||||||
7987892123478929898765678945698656898923989654245699989865934569532234891094310123998753219759897678
|
|
||||||
9876431012567912999876789234987745769944598765656899992994325378931046979195465255999654398998789989
|
|
||||||
2998542123878901987987892129876434657895679876787998901989101289542123468987654349898765987899699997
|
|
||||||
0129656939989212396598943012965421347896890987898987899879312348953235779899799998769879895446599876
|
|
||||||
1298789898994324987439984329876532456797951298989896798768993567894345698799987859897998654323478965
|
|
||||||
2349898767965739876519876545997544587898942349876645987656789978999456998688976545976569785434567894
|
|
||||||
6556987657899846987326987656789665688939993498965535698545678989898969887567997437895459876745678912
|
|
||||||
7679876546798957899634898787899878999123989987854324987435789898767898765434589546942345998858989923
|
|
||||||
9798765435677998998546799898999989932019876796543219876566796649656987654323578967921959219967895894
|
|
||||||
9899985324576789987656789969789999893998765987632102989678895432347976543413489978949898939879976789
|
|
||||||
5999764412345789999978898658679899789897544598543212398789976541239897632101257899998677899989999992
|
|
||||||
4998743101789899999989999543498798676789432987654353459899987982349798543212345945989556789999987890
|
|
||||||
9899654313599999898798998764987676565878941299765478967999999864598689955323969899876435678999876789
|
|
||||||
9798774323458998789657869879996543454567890129876567898998999765987577896539898788987548789498765412
|
|
||||||
7659885457667897697546556998999652123678921236987678999857899879875476789798767687898959892349974301
|
|
||||||
8969986569789934589432345987898843016789432345698989999645989998764325678999654576789767921298765213
|
|
||||||
9878997679899845678921239896987652145689543456789495878999879999875434789998793434599898932349654324
|
|
||||||
7989898989998756789210198765698653235678964567994324567989767878996545898987672125678999654598765455
|
|
||||||
6796789997569879898431259874789864356789986788965212789877653456789656997698543234799998765999986776
|
|
||||||
4345679986456998987652349989899975456789998899976523499765442346678968989549765745678999879895697987
|
|
||||||
3239798765345987899767898991998996767899899976595434598654321245567899679939876967989999998754569998
|
|
||||||
4998998743229876788979977892987987979998789987989545679865410123456954567899987899798789439865678999
|
|
||||||
9867897651013954567898765679896798989887679999878956798754321236569432978999899999657678913976789588
|
|
||||||
8756789543129876779999976798795459998756568898767898899895435345678999899987652198745459904698893467
|
|
||||||
7545679956789997889999989989689979876545459799956799989876546789989989799876543987832345799799942343
|
|
||||||
4234567897893498999989898976567899987434345678945678978987678893299875678987959876421234678989431012
|
|
||||||
3123499998912989568976797985498998654321236789136789357899899932129654567999899987210124569878942134
|
|
||||||
4534589999109875477895986543387998767410147991045995212999978994298943478998799995341234678967899245
|
|
||||||
6645679989212954356954397432136799878924756789127894329889765789987912345789678998532399989456898956
|
|
||||||
8767789878999864167891298543245678989865667993236789498765634698976793456896567997543987894345987897
|
|
||||||
9878896569989873298999987659656789899976798954345678999654323567895689597925457987659876789239976789
|
|
||||||
9989956469878999349898798798767895789989899765766989998765212678954578989012349999769985679198765678
|
|
||||||
8797643359767898956789659899889954578999999879878999979975323467953468978923498999898654568999654356
|
|
||||||
7659451298656987999896543945999876899998799989989679865986654578921234569654987899987643247899875268
|
|
||||||
8943210987649876789987969324567987899979569894394597654987785679210456678969976789999532126799994345
|
|
||||||
9874349876436545899999898901234598998767498765213986543499898789431567899798765678998673035698765567
|
|
||||||
8765456985321434578999767892345679987656349954323997432345999896542398927679876789987662129999898689
|
|
||||||
9876567984310123678998756789459789897543234965549876541069899987665489312568999899876543298789959799
|
|
||||||
6998779876321234789987545678998999789732179878699987432198789998796569103459878944998654397699649899
|
|
||||||
5329899965435345679876434589237998698943467989989997543987678899898678923999965432139865987578932978
|
|
||||||
9212999876547656989864323489456987567894588999878998659876545799959989549889876744014979876467894567
|
|
||||||
8901987987956787998765434569569765456799679998767898767965434689345497698778989865923989989878975678
|
|
||||||
7899876598767899899896545678998764345678989987656799979854324593212398987656197979894597694999989799
|
|
||||||
6798765439878998789987756989998653234567893299549893298768435689323459987643236898789789543212399897
|
|
||||||
5689876323989987698999897897987643123456999398767989349976566795434567899765345797678997659865459976
|
|
||||||
4768993212398634567897998976698431014597898999878978956987789999595978949876459986567798767986598785
|
|
||||||
3656789325987545678976579654569542198789967899989657898999891298989899234987898875435699878997999654
|
|
||||||
2345679434597656989865457993498674599895456789994345999997910987678789199898987654323989999109897743
|
|
||||||
9456898995679878999974325689598788789944345699875467899876329876545698989769398543219878889298765432
|
|
||||||
8967997889799999999989434578959999895321234589976799923995498768434567979653239876498956778999876321
|
|
||||||
7898986678989319988996546989732012943210165678997891014986987654321345767992123987987434567899987210
|
|
||||||
6569975454878998767897999997653223959323456989898989123987898773210123459989344899876123456789974323
|
|
||||||
5498764343568989856989878989885439898965567899769678934598959765621245768979956798985012345678965434
|
|
||||||
4329873212345678934976965678976599767896898997654569945679349878854359879567897987654126787789878545
|
|
||||||
5497983101296789129865134569988987656799999898763456797895219989976567993456899698643245698999989967
|
|
||||||
6986543212989993298754245678999876545678996789432345898994398999987678912345798549954356999578998798
|
|
||||||
7897765329979894359765657989798765434799874896544578919989497989999789923456796539865677899989987689
|
|
||||||
8959875498767799459878768995679877321898763789655789329878976878999899894667987621979788989999876598
|
|
||||||
9245986997658678967989899434899943210989654678966898999867864567897998789779998710989899878999988987
|
|
||||||
9967899876546567898992990123799994332378969989878967789956323456795498678989899931296999769889999876
|
|
||||||
9898902995423488959101989235698989944569998799989555698743212345899987567896789892345987658778999975
|
|
||||||
8789899875212679543219878946987869895878997689995434987652101596998795456965679793459876543567898764
|
|
||||||
7678789984343789954398767899876556789989876578976720198763212678987654357894565689567987652489999753
|
|
||||||
6565678995458997895987656678997435678997535459987631679874343489398965457893434578979876543459998764
|
|
||||||
6434569998767896789895434567954323459789421299876543567989654799569896767952123456893998654598989978
|
|
||||||
5323456789878945998754323459873212355694320678987654689998765678998789899543234567892198766987778999
|
|
||||||
4212378999989239876543212398765101234589431489998765999999896789987678978954345678963019879876567889
|
|
||||||
2103569129894345998632101239954323445678932378929879899889987899876589667895656789954198998767452878
|
|
||||||
3414678998795456896549543398765654756789965469434998768779998953987334556996778999865987869654321267
|
|
||||||
4925789987689987987698994999878965678999876589546987654667899932993212346889899432978986759769834346
|
|
||||||
9896789764567898998997789899989876789897987678959896543558999899854301235678989543989975345998765756
|
|
||||||
6789897643476799109976678788997987896796599789998765432445898798765472345789678959899894234599879877
|
|
||||||
5678975432125689398765567677896498965989434999987654321234789679876567887896567899798753145689989988
|
|
||||||
4567996645054578987654323456954329254578923459876543210123689543987879998987378965699432015678998999
|
|
||||||
3456789752123567898765104569543210123469212369987656521234597652398989879998567894987653123789567789
|
|
||||||
2127897654345878949874325678998323345578903578998867432345689321239998969999678943499868944695465698
|
|
||||||
4578998765456789234965456789976534559679214678959998553456789875347897657898789452349979855894324567
|
|
||||||
5689439877677890125987767894987865698789325889546799767868895987656789545689894321348998766893212398
|
|
||||||
6789521998889921236799878923598978999895456789634569878978934599867996534899943210767999987964323569
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue