test {
    _ = @import("day01a.zig");
    _ = @import("day01b.zig");
    _ = @import("day02a.zig");
    _ = @import("day02b.zig");
    _ = @import("day03a.zig");
    _ = @import("day03b.zig");
    _ = @import("day04a.zig");
    _ = @import("day04b.zig");
    _ = @import("day05a.zig");
    _ = @import("day05b.zig");
    _ = @import("day06a.zig");
    _ = @import("day06b.zig");
    _ = @import("day07a.zig");
    _ = @import("day07b.zig");
    _ = @import("day08a.zig");
    _ = @import("day08b.zig");
    _ = @import("day09a.zig");
    _ = @import("day09b.zig");
    _ = @import("day10a.zig");
    _ = @import("day10b.zig");
    _ = @import("day11a.zig");
    _ = @import("day11b.zig");
    _ = @import("day12a.zig");
    _ = @import("day12b.zig");
    _ = @import("day13a.zig");
    _ = @import("day13b.zig");
    _ = @import("day14a.zig");
    _ = @import("day14b.zig");
    _ = @import("day15a.zig");
    _ = @import("day15b.zig");
    _ = @import("day16a.zig");
    _ = @import("day16b.zig");
    _ = @import("day17a.zig");
    _ = @import("day17b.zig");
    _ = @import("day18a.zig");
    _ = @import("day18b.zig");
    _ = @import("day19a.zig");
    _ = @import("day19b.zig");
    _ = @import("day20a.zig");
    _ = @import("day20b.zig");
    _ = @import("day21a.zig");
    _ = @import("day21b.zig");
    _ = @import("day22a.zig");
    _ = @import("day22b.zig");
    _ = @import("day23a.zig");
    _ = @import("day23b.zig");
    _ = @import("day24a.zig");
    _ = @import("day24b.zig");
    _ = @import("day25a.zig");
}