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2022-03 in zig

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Julien Dessaux 2022-12-03 14:43:57 +01:00
parent 447d72d027
commit 02a8114847
Signed by: adyxax
GPG key ID: F92E51B86E07177E
4 changed files with 384 additions and 0 deletions
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43
2022/03-rucksack-reorganization/second.zig Normal file
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const std = @import("std");
const example = @embedFile("example");
const input = @embedFile("input");
pub fn main() anyerror!void {
try std.testing.expectEqual(solve(example), 70);
const result = try solve(input);
try std.io.getStdOut().writer().print("{}\n", .{result});
}
fn solve(puzzle: []const u8) !u64 {
var it = std.mem.tokenize(u8, puzzle, "\n");
var tot: u64 = 0;
while (it.next()) |line1| {
if (it.next()) |line2| {
if (it.next()) |line3| {
var i: usize = 0;
outer: while (i < line1.len) : (i += 1) {
var j: usize = 0;
while (j < line2.len) : (j += 1) {
if (line1[i] == line2[j]) {
var k: usize = 0;
while (k < line3.len) : (k += 1) {
if (line1[i] == line3[k]) {
break :outer;
}
}
continue :outer; // char on line1 was not found in line3
}
}
continue :outer; // char on line1 was not found in line2
}
if (line1[i] <= 'Z') {
tot = tot + line1[i] - 'A' + 27;
} else {
tot = tot + line1[i] - 'a' + 1;
}
}
}
}
return tot;
}