26 lines
652 B
Zig
26 lines
652 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), 15);
|
||
|
|
const result = try solve(input);
|
||
|
|
try std.io.getStdOut().writer().print("{}\n", .{result});
|
||
|
|
}
|
||
|
|
|
||
|
|
const scores = [3][3]u8{ // X Y Z
|
||
|
|
[3]u8{ 4, 8, 3 }, // A 4 8 3
|
||
|
|
[3]u8{ 1, 5, 9 }, // B 1 5 9
|
||
|
|
[3]u8{ 7, 2, 6 }, // C 7 2 6
|
||
|
|
};
|
||
|
|
|
||
|
|
fn solve(puzzle: []const u8) !u64 {
|
||
|
|
var it = std.mem.tokenize(u8, puzzle, "\n");
|
||
|
|
var tot: u64 = 0;
|
||
|
|
while (it.next()) |line| {
|
||
|
|
tot += scores[line[0] - 'A'][line[2] - 'X'];
|
||
|
|
}
|
||
|
|
return tot;
|
||
|
|
}
|