advent-of-code/2022/01/first.zig
2022-12-01 13:07:37 +01:00

28 lines
696 B
Zig

const std = @import("std");
const example = @embedFile("example");
const input = @embedFile("input");
pub fn main() anyerror!void {
try std.testing.expectEqual(solve(example), 24000);
const result = try solve(input);
try std.io.getStdOut().writer().print("{}\n", .{result});
}
fn solve(puzzle: []const u8) !u64 {
var it = std.mem.split(u8, puzzle, "\n");
var max: u64 = 0;
var tot: u64 = 0;
while (it.next()) |value| {
const n = std.fmt.parseInt(u64, value, 10) catch 0;
if (n == 0) {
if (tot > max) {
max = tot;
}
tot = 0;
} else {
tot += n;
}
}
return max;
}