const std = @import("std"); // I don't have much time for this, it ain't gonna // be as pretty as the other ones pub fn main() void { var totalFit: usize = 0; var totalAabb: usize = 0; const input = @embedFile("input"); var iter = std.mem.split(u8, input, "\n"); while (iter.next()) |line| { if (line.len <= 0) continue; ////////////////// // Split the nums into an array //////////////// const delim = "-,-"; if ((delim.len + 1) & 1 != 0) @panic("Amount of nums should always be even"); var nums = [_]u8{undefined} ** (delim.len + 1); var startIdx: usize = 0; inline for (nums) |_, i| { // Get the number const numstr = if (i < delim.len) std.mem.sliceTo(line[startIdx..], delim[i]) else line[startIdx..]; startIdx += numstr.len + 1; nums[i] = std.fmt.parseInt(u8, numstr, 10) catch unreachable; } if (fitTest(nums[0..2], nums[2..4])) totalFit += 1; if (aabbTest(nums[0..2], nums[2..4])) totalAabb += 1; } std.debug.print("Part 1: {}\n", .{totalFit}); std.debug.print("Part 2: {}\n", .{totalAabb}); } fn fitTest(a: []const u8, b: []const u8) bool { return (a[0] >= b[0] and a[1] <= b[1]) or (b[0] >= a[0] and b[1] <= a[1]); } fn aabbTest(a: []const u8, b: []const u8) bool { return a[1] >= b[0] and a[0] <= b[1]; }