Day 10: Add C solution

2021-12-10 14:45:50 +01:00 · 2021-12-10 14:45:50 +01:00 · 545532b826
commit 545532b826
parent 868e64424b
2 changed files with 132 additions and 0 deletions
--- a/10/input.txt
+++ b/10/input.txt
@ -0,0 +1,94 @@
+[{<(<[<<(<{[[<[]{}><()[]>]]<(([]<>)<(){}>)({[]{}}([]()))>}>{{{<(()<>)[[]()]><(<>())[[]<>]>}{({()
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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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--- a/10/solution.c
+++ b/10/solution.c
@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+               char C[]={'(',')','[',']','{',
+               '}', '<' , '>' };int X[]={3,57,1197,
+               25137} ;int Q(const void*A,const void*B){
+               size_t a=*(size_t*)A,b=*(size_t*)B;return a
+               >b?a<b?-1:0:1;}int main(int H,char**J){if(H<2
+                                           )return 1;char*p,*
+                                              P,n;size_t L=0,i
+                                               ,S=0,U=0;FILE*f=
+                                                fopen(J[1],"r");
+                                                for(;(n=fgetc(f)
+                                                )!= EOF ; L+=n==
+                                               '\n') ;rewind(f);
+                                               size_t G[L];for(
+                                             L= 0; fscanf(f,"%"
+                                         "ms",&p)==1;L++){char
+                            s[strlen(p)],*B=s;G[L]=0;for(P=p
+                            ;*P;P++)for(i=0;i<sizeof(C);i
+                            +=2)if(*P==C[ i])*B++=C[i+
+                            1];else if(*P==C[i+1
+                            ])if(B== s||*(B-
+                            1)!=*P){S+=X[i/2
+                            ];goto N;}else B
+
+
+                               --;if(B!=
+                           s){for(B--;B>=s;B
+                         --)for(i=0; i<sizeof(
+                        C);i+=2)if(*B==C[i+1]){
+                       G[L]=G[ L]*5 +i/2+1;break
+                       ;}U++;}N:free(p) ;}qsort(
+                        &G,L,sizeof(size_t),Q);
+                         printf("Silver: %lu\n"
+                           "Gold: %lu\n",S,G
+                               [U/2 ]);}