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author | Julien Dessaux | 2022-12-04 06:28:59 +0100 |
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committer | Julien Dessaux | 2022-12-04 06:28:59 +0100 |
commit | c912b3347da6da6062b8ce56eac1711d6fb54ed9 (patch) | |
tree | 7f4004f911b5ce2eb8ccf5df5e18ffbeb1903811 /2022/04-camp-cleanup/second.zig | |
parent | 2022-03 in zig (diff) | |
download | advent-of-code-c912b3347da6da6062b8ce56eac1711d6fb54ed9.tar.gz advent-of-code-c912b3347da6da6062b8ce56eac1711d6fb54ed9.tar.bz2 advent-of-code-c912b3347da6da6062b8ce56eac1711d6fb54ed9.zip |
2022-04 in zig
Diffstat (limited to '2022/04-camp-cleanup/second.zig')
-rw-r--r-- | 2022/04-camp-cleanup/second.zig | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/2022/04-camp-cleanup/second.zig b/2022/04-camp-cleanup/second.zig new file mode 100644 index 0000000..283169e --- /dev/null +++ b/2022/04-camp-cleanup/second.zig @@ -0,0 +1,26 @@ +const std = @import("std"); + +const example = @embedFile("example"); +const input = @embedFile("input"); + +pub fn main() anyerror!void { + try std.testing.expectEqual(solve(example), 4); + 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 or a <= c and b >= c or a <= d and b >= d) { + tot += 1; + } + } + return tot; +} |