26 lines
908 B
Zig
26 lines
908 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), 2);
|
|
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()) |line| {
|
|
var it2 = std.mem.tokenize(u8, line, "-,");
|
|
const a = try std.fmt.parseInt(u64, it2.next() orelse unreachable, 10);
|
|
const b = try std.fmt.parseInt(u64, it2.next() orelse unreachable, 10);
|
|
const c = try std.fmt.parseInt(u64, it2.next() orelse unreachable, 10);
|
|
const d = try std.fmt.parseInt(u64, it2.next() orelse unreachable, 10);
|
|
if (a <= c and b >= d or a >= c and b <= d) {
|
|
tot += 1;
|
|
}
|
|
}
|
|
return tot;
|
|
}
|