voroskoi/aoc2021-zig - Change Q6AOS6WLNWE37HIAWAM2O7BNZHPF5E7KZYRBGNFTNQWLKHHG2CUQC

Add solution for day10

Created by voroskoi on January 20, 2022

Q6AOS6WLNWE37HIAWAM2O7BNZHPF5E7KZYRBGNFTNQWLKHHG2CUQC

Dependencies

In channels

main

Change contents

Insertion in src/main.zig at line 21 [4.50]

[2.76]

[3.561]

const day10a = @import("day10a.zig");
const day10b = @import("day10b.zig");

Insertion in src/main.zig at line 44 [4.50]

[2.134]

[3.1035]

    _ = try day10a.first();
    _ = try day10b.second();

Insertion in src/main.zig at line 70 [4.50]

[2.197]

[4.88]

    _ = @import("day10a.zig");
    _ = @import("day10b.zig");

File addition: day10b.zig (----------)

[4.15]

const std = @import("std");
const path = "../data/day10/input.txt";
const Pairs = [4][2]u8{
    .{ '(', ')' },
    .{ '[', ']' },
    .{ '{', '}' },
    .{ '<', '>' },
};
const RetType = u64;
fn parseInput() anyerror!RetType {
    const input = @embedFile(path);
    var lines = std.mem.tokenize(u8, input, "\n");
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    const allocator = gpa.allocator();
    var pairs = std.ArrayList(u8).init(allocator);
    defer pairs.deinit();
    var scores = std.ArrayList(RetType).init(allocator);
    defer scores.deinit();
    lines: while (lines.next()) |line| {
        pairs.clearRetainingCapacity();
        chars: for (line) |ch| {
            for (Pairs) |p| {
                if (ch == p[1]) { // closing pair
                    const last = pairs.popOrNull();
                    // XXX: zig compiler error!
                    if (last == null) {
                        continue :lines;
                    } else if (last != p[0]) {
                        continue :lines;
                    }
                    continue :chars;
                }
            }
            try pairs.append(ch);
        }
        var score: RetType = 0;
        var i: usize = pairs.items.len;
        while (i > 0) : (i -= 1) {
            score *= 5;
            score += getValue(pairs.items[i - 1]);
        }
        try scores.append(score);
    }
    std.sort.sort(RetType, scores.items, {}, comptime std.sort.asc(RetType));
    return scores.items[scores.items.len / 2];
}
fn getValue(ch: u8) RetType {
    var ret: RetType = undefined;
    switch (ch) {
        '(' => ret = 1,
        '[' => ret = 2,
        '{' => ret = 3,
        '<' => ret = 4,
        else => unreachable,
    }
    return ret;
}
pub fn second() anyerror!RetType {
    return try parseInput();
}
pub fn main() anyerror!void {
    var timer = try std.time.Timer.start();
    const ret = try second();
    const f = timer.lap() / 1000;
    try std.testing.expectEqual(ret, @as(RetType, 3122628974));
    std.debug.print("Day 10 \tsecond part result: {d} \ttime: {d}µs\n", .{ ret, f });
}
test "day10b" {
    try std.testing.expectEqual(@as(RetType, 3122628974), try second());
}

File addition: day10a.zig (----------)

[4.15]

const std = @import("std");
const path = "../data/day10/input.txt";
const Pairs = [4][2]u8{
    .{ '(', ')' },
    .{ '[', ']' },
    .{ '{', '}' },
    .{ '<', '>' },
};
const RetType = u20;
fn parseInput() anyerror!RetType {
    const input = @embedFile(path);
    var lines = std.mem.split(u8, input, "\n");
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    const allocator = gpa.allocator();
    var pairs = std.ArrayList(u8).init(allocator);
    defer pairs.deinit();
    var ret: RetType = 0;
    lines: while (lines.next()) |line| {
        pairs.clearRetainingCapacity();
        chars: for (line) |ch| {
            for (Pairs) |p| {
                if (ch == p[1]) { // closing pair
                    const last = pairs.popOrNull();
                    // XXX: zig compiler error!
                    if (last == null) {
                        ret += errorValue(ch);
                        continue :lines;
                    } else if (last != p[0]) {
                        ret += errorValue(ch);
                        continue :lines;
                    }
                    continue :chars;
                }
            }
            try pairs.append(ch);
        }
    }
    return ret;
}
fn errorValue(ch: u8) RetType {
    const ret: RetType = switch (ch) {
        ')' => 3,
        ']' => 57,
        '}' => 1197,
        '>' => 25137,
        else => 0,
    };
    return ret;
}
pub fn first() anyerror!RetType {
    return try parseInput();
}
pub fn main() anyerror!void {
    var timer = try std.time.Timer.start();
    const ret = try first();
    const f = timer.lap() / 1000;
    try std.testing.expectEqual(ret, @as(RetType, 411471));
    std.debug.print("Day 10 \tfirst part result: {d} \ttime: {d}µs\n", .{ ret, f });
}
test "day10a" {
    try std.testing.expectEqual(@as(RetType, 411471), try first());
}

Replacement in src/day09b.zig at line 110 [2.233]

B:BD[2.3330] → [2.3330:3416]

    std.debug.print("Day 8 \tsecond part result: {d} \ttime: {d}µs\n", .{ ret, f });

[2.3330]

[2.3416]

    std.debug.print("Day 9 \tsecond part result: {d} \ttime: {d}µs\n", .{ ret, f });

File addition: day10 (d--x------)
[5.2349]

File addition: input.txt (----------)

[0.4469]

{[[((<<[[<[<{(()[])([]{})}({[]<>}{<>()})><{<()[]>>{({}())({}{})}>]>{<{<(<><>)<<>()>><{(){}}<{}>>}(<{{}()}><
[{{([{[({((<[{<><>}]><<({}())((){})>{[[]]{{}<>}}>){{({{}<>}<{}[]>){{[]()}(<>)}}<[[<><>](<>[])]{{
[([{<[(<[(((<<{}<>><()<>>>[([]())[{}<>]])[<<<>>[[]<>]>{[<>()]}])[({<{}[]><[]<>>}<(<>[])<()()>>)
{<({{<<[<{{((<<>{}><{}()>)<<()()>>)}}<<({(()[])[()<>]}([[]<>]))[[<(){}>[[]{}]]<<<>[]>>]>[<[({}
{[[[([[<(<<(([[]()]<()[]>)[<[][]>{<>}])<({<><>}<{}{}>)[<<>{}>{[][]}]>><({[<><>][<>()]}[((){}]<[][]>]){([<
[{<[([{{<[<{<{[]()}(()[])>[[[]<>]<[]{}>]}{[{(){}}](<<>[]>{(){}})}>]>}([{[[{([]())<(){}>}<[<>[]
{(((<{[<{[{<{{[]{}}}{(<>[])<<><>>}>}{({(()())({}[])}([[]{}][[][]]))<<<(){}>[<>{}]><[<>{}]<()[]>
<(((<<({[<([{([][])<[][]>}[{(){}}{<><>}]]<<{()()}<<><>>>>)><[[({{}()}(()[]))[([]())<<>()>]]]{{{({}())[{}<
[(({[[[[<(([{<()()>[<>[]]}({()<>}<<>{}>)]){{[<[]()>[[]<>]][(<>[])<{}<>>)}})>]]]]})[({<[{({[[<{<>}(()
[{<(<<{<<[{<<<<>[]>([][])>>([{[]{}}(()[])]([{}<>](()[])))}]><[({<[{}()]{()[]})(<{}()>{[]{}})}{{[{}()][{}[]]}}
[<([[<(<{[(([{{}[]}<()[]>][<(){}>{{}[]}])[(<{}{}><<>[]>)<([]()>>])][{{{({}[])([][])}<[<>()]{[]<>}>}{<(()<>)[{
{({([{<<[[{<[(<><>)<[]{}>]<<()<>>>>[[({}<>)[{}()]]{[{}<>][[][]]}])[({{()[]}<[][]>}{<<><>><{}[]>})
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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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[{[<<{{[(<([[[{}{}]<()[]>]{((){})[{}()]}][(<[][]>{()})[<[]()>[[]{}]]>)>(<[<[[]()]<<>[]>>][[({}[])<
[[<<[{<<{{{<[{<><>}][{()[]}]>[(<<>{}><<>()))[[<><>]([]<>)]]}}}>[{<[{<([]{}){[]<>}>({(){}}{[]{}})}]([[(
[<([[<{<<([([(()())(()())])((((){})[[]{}]))][{[[[]()]]}]))>}>](<{({{(<{({}[]){[]{}}}<{{}[]}[{}[]]>
({<<{{<{(({[<([]())({}[])>(<<>[]><[]<>>)]{[([]<>){{}<>}][{{}()}<[]<>>]}})([({<[]()>{{}}]{<
<{{{{[<{[<([[({}{})<<>()>]{{()()}[{}{}]}][{[<><>](<>())}[[<><>][{}{}]]])(<({<>})>[<[{}{}]{
{[[[([[[{(<<{(<>[])[{}[]]}{<<>{}>(<>())}>({<()()>[{}[]]}(<{}[]>[[]<>]))>)}]{[{({(<{}{}>)<(()
{[(<{{[(<((<([<><>]{()[]})<{[]<>}(()<>)>><[(()())]<[()()][<>{}]>>))>)(<([[({[]<>}{()[]})({[]()}[{}()])]<<{
[{{<[{[[<<<<{(<>()){()()}}[({}())((){})]>((([]{})))><<[(<>[]){{}[]}][{{}{}}(()<>)]><[{[]{}}[[]{
[[<{<(<[([<[(<<><>>[{}<>])[<()()>{<>[]}]]{({{}()}{<>[]})({()<>}[{}<>])}>(([[{}{}]<(){}>]{{()()}
({<([[{{<<{<<[[]{}]((){})>[{<>()}[[]()]]>[[[[]()][[]{}]][<(){}>(<>())]]}(<{[{}()]{{}()}}{{{}
{{<<<(<{<[<[({{}{})<{}<>>)<{<><>}<()[]>>]{<(()())[{}]>}><<([<>{}]((){}))<[()[]]<<>()>>>(<{<>()}[<><>]>
<([{{{((((<[[<{}[]>{<><>}]<[()]<<>{}>>]<<<[][]>[[]<>]>[(()[]){()[]}]>>){[[([<>{}][<>{}])(([]
([(({{<<(({(({()}{{}()>))([(<>{})]<({}[]){<>()}>)}{<{{()()}<()<>>}<<[][]>(<>())>>})([[{[[]()]<<>
{[<(<{<({{({((<><>))[[[]{}]{[][]}]}<({{}<>}[[]<>]]<(()<>)<{}()>>>)}})[{{([{(<><>)[<>{}]}[[{}()]]]{[<
[<(<<[(({([[<<[][]><{}()>><{<><>>[<>[]]>]]((<(<>[]){<>{}}>{{()[]}(<>[])})))<((((()[])[()<>])))

Replacement in build.zig at line 4 [4.2055]
B:BD[4.2113] → [2.5269:5285]
```
const days = 9;
```
[4.2113]
[4.2129]
```
const days = 10;
```