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Day 10.

This commit is contained in:
Jonathan Chan 2021-12-09 22:03:39 -08:00
parent ecb7c5a9f9
commit 9e0a24b9c7
3 changed files with 138 additions and 1 deletions
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102
input/10.txt Normal file
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[<[{<[(([<[[{[()()]}]{<<<>[]>[()[]]>{(<>[]){<>[]}}}]<{(<()<>>{()<>})(<()>)}([{()[]}](<()<>>
<[(<({[<(<<({({}[])[<>]}[<<>{}>[()()]])>>)>]})>{[([({[{{<[[]{}]{{}}><{()[]}[{}]>}}{{[<<>()>((){})
{<({([<([[<<[(<>())({}{})](<()()>{{}})>(([[]{}]<[][]>){<{}>{<>{}}})>]][[((<[<>()]<<>[]>>{{()[]}{[]{}
([{({<<{<<<{([{}[]]([]())){[(){}]}}{[<{}()>(<>[])]}][({[()<>][<><>]}{{{}[]}})<<<{}()>>>]>([[<[{}<>]
{([{({(<{[<(<(()()){{}()}>[(<><>)<<>[]>])[{{{}()}[(){}]}[<()[]>[{}[])]]>{([{{}{}}{[]}][{{}<>}{<><>}]){[[[]()
[{(([[{([(({(<{}()>({}<>))((()())(<>[]))}{<{{}[]}[{}()]>{{()()})})<{{([]{})[<>[]]}[{<>[]}{
<<([{{({{{[(<[<>()][()<>]>)]}<(<<<<>()><{}()>>><({{}<>}{()[]}){<(){}>}>)>>})<[{[<([[{}{}]{{}()}]
<[{{[<[{(<<([([]{})]<[[]{}]{<>()}>)(<<<>{}>{{}[]]>(<[]()>(()[])))><<[{[][]}{[]}](([])([]))><({{}{}}{[][]})
{{{({{{([<<<{[()]({}{})}((()[])<()<>>)>{{<{}<>><{}()>}}>(<<(())({}())>{{{}}({}())}>{<[{}<>]<{}{}>>[{<>()}
{<({<[{[<<{{[[[][]][<><>]](([]{})<()[]>)}<<((){})><[[][]](<><>)>>}{(<<{}<>><<>>><((){})([]<>)>)<(([]))(
({{{([({<((<<<()>[[]<>]>(<<><>>(()()))>))>})]){({[<[<<[[{}{}]][([]<>)]><{<{}()><()<>>}(<[][]>[{}()])]>{({{
(<{<<[[[(<{<({<>()}{{}<>})<<()()>(<>[])>>(({{}()}([])))}>([[<({}())({}())]((<>{})<<><>>)][[<(
[([({{{[<([<[(<>[])[{}[]]]<[[]{}][<>]>>])<(((<()<>>(<>{}])({<>{}}[{}<>]))<([()()]{[]<>})({<>()}[{}
<(<<([{{[<((({<><>}<<>>)[[[]<>]({}())]){(<<>()>{[]()})[<()>{[][]}]})>]<[[[{(<>{})<(){}>}[{<>{}}]]]][
{[[[{[(((<{[{([]{})[[][]]}(<{}()><<>[]>)][<[<>{}]>]}>({([(()())<[]{}>](([]{})[<>{}])][[{[]{}}<<>{}>]({{}}[<>
{{{([[<[({<<<({}{})<[]()>>[[<>[]>{<>[]}]>[({<>[]}({}<>))[[[]()][()<>]]]>})]>]<(<<<<[<((){})<{}{}>><{()()}((
[{<<<[((<{{{[<{}{}>[{}{}]]([{}<>]{{}<>})}{{[{}{}][{}]}({[]<>}{<><>})}][([<[]<>><{}<>>][<(){}>(()
[{<(<[{(<(<((((){})<[]<>>)[{()<>}{[]<>}])><(((<>)(<>[]))(<[]<>>))([<<><>>[[]<>]]{<[]()>{()[]}})>){<({{[][
<(<<<[([[<{{(({}[])[<>{}])<(()<>)({}{})>}}>{{([(<>())<()[]>]{{[]<>}})<[[<>()]](<()[]>)>}<{[<{}<>><{}[]>](
{((<[<[<(<[({{{}<>}(()<>)}{(<>{})[[]{}]})(((()[])))]>)[{([([<><>][{}[]])[<()[]>(<>[])]]({[
[({([<([({<(<<(){}><{}<>>>{{<>[]}[()[]]})[[[{}[]](()())]]]({[{(){}}{()}]<{{}()}{{}()}>}[([[][]][()[
({[[{[[({{[[(<<><>>{()}){[()()]}]<{{<><>}({}())}{{[][]}{()()>}>]<[{<<>[]>[[]<>]}]<[<()[]><(
(<[{[(<{(<{{[{<><>}{[][]}](<(){}><[]()>)}}><{<(<<>()>([]<>))<({}<>){{}()}>>}{([(()[]}[<>[]]])<{{[]{}}
<{{(<([(<<<<[{{}<>}(()[])][<{}[]>[<>[]]]><<{[]()}(()<>)>({()<>}({}[]))>><[(([]{}))[{<><>}([][])]]{{(<>())}(
{<[(<{[[(<<[{<(){}>{<><>}}((()<>){<>()})]<[[{}<>]{{}[]}]{([])([]{})}>><{(<{}[]><()<>>)}<(({}()]{[
[{[([([{{{{([(()[])[()()]])[[(<>{})[{}[]]]]}}}{<({[<()[]><{}()]]}{[[[]()]{()()}]})<<<[{}<>](<>[])>[(()<>)([]
{(<{([<<<((({[{}<>]({}())}))[{{((){})[()()]}<{{}<>}<()[]>>}{{{[]()}}}]){((((()())(())){(<>{}){{
{<<{{{([[<{<<[{}<>][<>[]]>>(([()()](<>[])){([]{})})}>{<((<<>()><[]<>>)({[][]}[[]{}])){(<(){}><{}>)(
[[[{[{{{{[<{((<>())((){}))(([]{}){()()})}>([[[{}{}]{[]()}]{(()())<{}[]>}][{((){})<{}[]>}<<[]><
(<[[<[{[<(<[<<{}[]>[[]<>]>((()<>)[<>[]])]{[[{}<>]({}{})](<[][]><[]{}>)}>([{(<>[])<{}{}>}({(){}}[()<>])]
{{<[{({([[(([[{}<>][{}<>]][[<><>]]))<([({}()){[]()}](({}())<{}<>>))>]<{<(({}{})[[]<>])[<{}{
[[({(<[<<{<{<({}())(()[])><((){})[()<>]>}{{<()>(<>[])}}><[([[][]]<()<>>)][<(<>())[()()]>{(<>())}]>)>((<<[
[([{<<[(([((<<()[]><{}[]>>[{<>()}<()[])]){[{()[]}{<>[]}]{{<>}(()())}})<[(({}{})(()[]))(<[]
((<<{{{<<[{[<<[][]>[<><>]>(({}<>)(<><>))](<<[]<>>(<>[])>[<<>{}>((){})])}]>>(({{([<<><>>{{}
([<(([[[((<(([<>()]<()<>>)<[[]()][{}()]>){<(()<>){()()}>}>{(<(()()){{}<>}><<[]<>>[(){}]>)[<<{}{}>{[]
({[<<[{<{<<<[<{}[]>]{[[][]]{[]()}}][{<<><>>(()())}({{}[]}<{}[]>)]>>((([<{}{}>({}())]({{}()
{{[<<<[{(([<[<(){}><<>[]>]({<>[]}[<>{}])>]([<[[][]][[]{}]>({[]<>}[()<>])]))(([({{}()}{<><>})[[()()](<>[]
[([{(<[<([[(<(()[]){(){}}>)[[<[]()>([]())]({[]<>}<{}()>)]]([<{[][]}(()<>)><[{}[]][()[]]>]<[<{
(<[([<<<(<[({(())(()[])}<{<>()}{{}()}>)[[{()[]}<<>[]}]{[<>()][{}{}]}]]>{{[({<>[]})][([[]()]<{}<
[[[<<{({[{{<[[[]()]<(){}>]{([])<()[]>}>[[({}[])[[]<>]][<(){}>[()<>>]]}{<(<[]()>{{}<>})<(<>[])({}
<{[[<[[{[[(<<{(){}}({}<>)>({{}()}([][]))}([<[]{}>(<><>)]))<{{<[]<>>(()<>)}([[]()]({}[]))}({[<>{}
(<[<[{{([{(<[[()()]]{{<>()}{<><>}}>(<[()[]]{[][]]>({<><>}<<>[]>)))((<<()[]>>)[[<{}[]>]<[{}()]<{}<>>>])}[
{{{[<{[((<([<{(){}}{{}[]}>{[(){}][{}{}]}])<<[<<>[])(()())][((){})]>{({()[]}[[]{}])}>>){[({
{(((<(<{(<<((<[]()>))({({}<>)({}<>)})>>)}>)><[[<[<[[{(<><>)({}())}(({}<>){()[]})]]{{[{<>{}}
{{(<<(<([({(({[]{}}{{}[]})<(()())[()()]>)}<{{[{}<>](<>{})}{{{}()}{<>{}}})(({{}{}})(<[][]>{{}()}))>){[<[{<>()}
[(<{<([[[<({[{<><>}{<>{}}][{()<>}{<>()}]}<(<()[]><()<>>)>)><<([[{}{}]]([<>[]][[]<>]))(<<<>()>[()<>]>
({<{(<{[(<<(<([][])[(){}]>{({}<>)[{}[]]}){(({}[])[()()))(<[][]>(()<>))}>>)((<(<({}[]){[]()}>){({<>()}[{}
{<[([<<[(<{((<{}<>>)(<{}[]>{{}[]}))}(<[<[]()>([]())]{[{}]<<>[]>}><[{{}<>}[{}[]]](([]<>)<{}{}>)>)>){
[(({<([(<<[<<[[]<>]<()()>>{({})([]{})}>]<[{[<>()]{[]<>}}{{{}<>}<<>()>}]>>>((<{(<<><>>{[]{}})({<>[]}((){
{[[([[{<<[[[<[<>{}]{<>()}>({{}()}[()<>])]]({{<{}[]><<><>>}{<()<>>}}{{{[]()}<()<>>}<(<>[])(()[])>}
{<{<{{{{[[[((<{}{}>{{}{}})<{{}{}}{(){}}>)[[(()<>)]]]({{([]())[<>[]]}}[{<[]<>>((){})}([[]<>])])]
<[({({[[<(<({([]<>)[<>]}[[()[]]([])])<(<(){}>(()[]))[<<>()>[[]{}]]>>>><{[{<[{}{}][{}()]>{([]())[<><>]}}<{<<
[{<([<[(<({[<[<>]<{}[]>>{({}<>)[[]<>]}]{{{[]<>}(()[])}<(())>}}[({{[]()}{{}{}}}{{[]{}}[()[]]})])<{({{(){}}
{{([(([{{{((<[()[]][<>{}]>[<<>()>[[][]]])<{<{}>[(){}]}{({}())[()()]}>)({({<>[]}<[]()})<({}{})<<
(<(<{([<((<{<<{}<>>[()()]>({[]<>})}([[<>()]([]())])>{([{{}[]}(<>[])]{[[][]]{[][]}})}))>(<[{
[({{{(<[{{{<(<{}>)<{<>()}<(){}>>>[[{()()}(()<>)][[[][]]([][])]]}}}((({((<>{}){{}{}))[{{}<>
[<(([(<[{[<<({(){}})([<>[]){[]()})>>([[<()[]><{}>]])]<({[{()<>}<[]<>>][[<>()]]})>}]>)]{<{<(
([(({({{{[[{(<[][]><{}<>>)}[((<><>)(()<>))<{<><>}{<><>}>]]{(([{}<>][[]()])<<[][]>([]())>){<[(){}]>}}][(<<
({(<{<({{{<(<<[][]}>[{[]<>}{[]{}}])><(<(<>[])([][])>{({}<>)}){{<[]()>(()<>)}}>}(<<<<{}{}>[(){}]>[[()[]](
<[<((<{{{<<{({<>[]}){<[][]><[]<>>}}{[{[]()}[{}[]]][({}())]}>[{<[()<>]>[{()[]}((){})]}(({[]()}
[<({{[([([<{<[[]]<{}{}>>{([][])[()<>]]}[[<(){}><(){}>]]>((((<>{})[<>{}]){(()[])}){<[<>](()<>)>([[]<
<[[([[[(({{<(({}){[][]})[[<>[]]([]())]><[<{}{}><{}()>]>}<(<{<><>}{()[]}>([{}()]((){})))>}{{([{{}}{<>[
([[{<<<<(({(<([]{})<{}[]>>)}([[<{}()>)([[]{}]<<>()>)]{{{(){}}}[<()<>>{<><>}]}))<[{{<()()><{}{}>}}][{{<(){}><
{[{{(<{{{<([[{{}()}{{}{}}]]({<[][]>(<>[])}[[[][]]{<>[]}]))>}}}>)}}{<[<{[{[<[({[]}<[]{}>){(<>{})(<><>)
<{{([<{{{{<{{{()[]}{[]()}}{(())((){})}}{{(()[])[{}<>]}(<()<>>([][]))}>}}<[{({<()[]>({}[])}
{(<([(([{{{({[()()]<()>}[([]()}<<><>>])[{[<>[]]<<>>}{{[]<>}(<>())}]}}<{{[[{}[]]]}(<<<>()>>({[]()}<<>[]>)
<[{{{[{(<<(({<<>[]>{[]}}<{{}[]}<{}[]>>)[[([]())(<><>)][[[]()]([]{})]])[<{(()[])<()>}>([{{}{}}]{<(){}>(()())
[(<[({<{[[{<{[{}[]]{[]<>}}[<()<>>[[][]]]>(<[{}<>]({}())><[{}{}]{()()}>)}((<<<>[]>(<>{})>[(<>())[{}{
[[<{{<<[<<<<({{}<>}<{}[]>)((()[])[[]<>])><([<>[]]([]<>)){(<><>)}>>[({{()}{<>[]}}[([][])[{}[]]]){([{}()][<>{
{{{<({[([({<[[{}<>](()())]([<><>]({}[]))>}(({<<>()>[[]]}[<()>{<>{}}])))]<{({{(()())<<>>}}[({[]{}}[
(<<{(({{(<{{[<{}{}><<>()>]{{()[]}<<>{}>}}(<<{}<>><()>>{<()<>>([]{})})}<[{([]<>)<<>[]>}[<{}()><{}>]]>>
{<[[<{[{(<{<<(<>)<{}{}>>>[<<{}()>({}{})>]}<<[({}[]](()[])]{<[]<>>(())}>{<{()<>}({}<>)>{<()
[{((<<{<{[{[([()<>](()())){(<>())}}([[()<>][{}()]][({}[]){[]()}])}([<[()<>]([][])>[[[]{}]{()[
[<[<[<<[([<{[{()<>}({}())]<{{}<>}([]())>}(<<<>{}>[{}{}]>[[[]()]])>]<({({(){}}<[]{}>)([()<>](()))}[({[
[<[<[(((<(({{([][])}}<[[[][]]{(){}}>(<()[]>[[][]])>){([(()<>)<()()>]<[{}()]([]())>)<<{<>()}>([<>[]]{[]
{{<{<[{[{[(<([{}()]{[]<>})({<>})>(({{}{}}([]{}))))<[[({}{})<()[]>][{[]{}}{(){}}]]{([()<>])(<()[]><<>()>)}>]}
((({([{(<{<[[{{}<>}<{}()>]{([]<>)[{}[]]}]>(<([[]<>])((<>[]))>{<{[][]}(<>())>{{{}()}(()[])}})}>{[
<{(([(<<<(<({{[]<>}{<>[]}}{[[]{}][[]{}]})>[<<[{}<>](()<>)><(()<>)[{}()]>>(<{<>[]]({}[])>{(<>)<[]{}>})]){[<<[(
<{<{{<<<{((<([()()])(<(){}>{<>()})>)<([([]()){{}[]}]{{{}}<{}[]>})(<{()<>)>[<{}()>])>)(<(([()()](
(<[{(<(<[<<[((<>[]){<>[]})<(<>[]]({}{})>][[{[]{}}{()[]}]]>>[<{(<[][]>{{}{}})}<([()[]]<[]<>>)[{<><>}<{}{
({{<<({<<[<[<(<><>)<()<>>><[()<>]([][])>]>[{{<()<>><()<>>}}(<{{}()}><{{}{}}<{}{}>>)]]([[[{[
([[<<([[<([{([()[]](<>[]))<<<>[])({}[])>}[{[[][]]}]])[<[[({}{})<{}<>>]]([{{}<>}({}[])](([]())({}{})))>[[
<{<(<{({[({[[[()[]]{{}[]}][[<>[]>{<>[]}]]})]<{[{<[{}[]]{<>()}><([]<>){<>{}}>}{(<(){}>{<>{}})
<<<[<{(<{(({({<><>}{{}<>}){([][])([][])}}[<{(){}}<<>{}>>{([]<>)[()[]]}>)<{{{<><>}{<>{}}}{(
<[<<(({<<[<([<{}()><<><>]])<[[{}<>][<>{}]]<[{}<>](<>{})>>>](<(<[[]<>][(){}]>(<<>()>{<>})){[({}[]
<[[{<[([[[[{([()<>])<[[][]]{[]{}}>}](<[(<><>)]>({{(){}}<[]()>}))]]]{<({{(<<>()><(){}>){<[]<>>}}}[[
<{[[[(({{[{(([{}()][<>()]))[([[]{}]<{}[]>)([<>[]]{{}{}})]}[{[(()[])]((<>{}){()()})}<<{(){}}[[]<>
(<((<[[{((({((()<>)){{{}<>}(<><>)}}<((()[]))>)([{(<>[])([]<>)}[([][])(<>[])]]<<<<>{}>>[([][])[{}<>]>>))([<
[(((<[<{[([{(<<>[]>((){}))[[[]()][<>{}]])]<({<{}>{[][]}}{{{}<>}[<>[]]})<<{{}()}{(){}}>({<>{}}{{}[]
{((<[{[<<<[{<[(){}]({}{})>}<[<[]{}>({}<>)][{(){}}<<>{}>)>][<[[{}]({}[])]>]><[{{{{}[]}}({[]{}}(<>
[[<[(((({[[[({<>{}}{{}()})[<(){}>{<>}]]{(<<>{}>(()<>))([[]<>]<()<>>)}](<([[]{}]<()()>)>{<[()
[<<<[{[<{[(({([][]){<>}}))(<{([]())[{}()]}[[{}[]]{[]<>}]><{(<>())<[][]>}[([][]){{}()}]>)](
<(<{<<[([[<{[[<>()]<{}{}>][[(){}]<<><>>]}>]{(([[<>[]](<>{})>{<()[]><[][]>})[<[(){}]{[][]}><[<>()]([][]
<[([<<[{{[<<<{<>()}[<>()]>[<{}{}>[{}{}]]>[{[(){}]}([[]{}])]>]}}]>>{<([<(({({[][]}){([]()){{}{}}}}
[({{{((<{<{[<<{}{}>><<[]{}><<>{}>>][<{{}()}>]}[(<[[]]<<>[]>>[([]())<<>{}>]){<[{}[]]>((()<>)[[]{}
{[<[[(({([[<[(<>{})<<>{}>]{<()<>><{}[]>}>[[{{}<>}([]<>)][({}())([]())]]]])[[({{[[]<>][<>{}]}[[<>
(((<[[<<{{[[[([]{})<{}<>>]]{{[<>[]]<{}{}>}({<><>}{()()})}][[<<[]()>{<>[]}><(()())<()[]>>]{{([](
[<{<[[[<<{[{<({})([][])>[{[]()}]}<[{{}()}[<><>]]>][((<[]{}><{}()>)(<<>()>))([<<>()>((){})>)]}{[({(<>())<(
{([<[{{{<[{[({<>()}(<>{})}[{()()}[<><>]]]}<{{{<>[]}[{}[]]}({[]()}[{}()])}<({()()}<<><>>){{{}{}}
{{<[[<({([{(([[]<>][{}<>])){{({}{})<<>()>}}}[[{[<><>][{}{}]}<{[][]}([]())>]<<[()[]]{()<>}>{<{}[]}(()())}>]
<({<[([{[[<{<{[]{}}[<>]>}>([(<()[]>[[]<>])<{<>[]}>]{[(()())[{}]][<{}<>><{}>]})]]([{{{([]{})[(){}]}[<
[<<[{[{{[[{[[[()<>][()[]]](({}<>)[()<>])]<<(()[])>([<>[]]{()<>})>}([<[{}{}]>{({}<>){[][]}}][{[<>[]][<>]}])]]}

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lib.rkt
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@ -139,7 +139,7 @@
;; median : (listof number) -> number
(define (median ns)
(list-ref (sort ns <) (/ (length ns) 2)))
(list-ref (sort ns <) (floor (/ (length ns) 2))))
;; ≠ : number -> number -> boolean
(define (≠ n1 n2)

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#lang curly-fn racket
(require "../lib.rkt")
(define input (map string->list (problem-input 10)))
(define (corrupted-score char)
(assocf char '((#\) . 3) (#\] . 57) (#\} . 1197) (#\> . 25137))))
(define (incomplete-score char)
(assocf char '((#\( . 1) (#\[ . 2) (#\{ . 3) (#\< . 4))))
(define (autocomplete-score stack)
(for/fold ([score 0])
([char stack])
(+ (* score 5) (incomplete-score char))))
(define-values (part1 part2)
(for/fold ([corrupted 0]
[incomplete '()]
#:result (values corrupted (median incomplete)))
([line input])
(let loop ([stack '()]
[line line])
(match line
['() (values corrupted (cons (autocomplete-score stack) incomplete))]
[(cons char line)
(match* (char stack)
[((or #\( #\[ #\{ #\<) _) (loop (cons char stack) line)]
[(#\) (cons #\( stack)) (loop stack line)]
[(#\] (cons #\[ stack)) (loop stack line)]
[(#\} (cons #\{ stack)) (loop stack line)]
[(#\> (cons #\< stack)) (loop stack line)]
[(_ _) (values (+ corrupted (corrupted-score char)) incomplete)])]))))
(show-solution part1 part2)