aoc2024: make build tool download input & add shared main function

1 files changed, 0 insertions, 54 deletions

diff --git a/aoc24/src/day2p1.zig b/aoc24/src/day2p1.zig
deleted file mode 100644
index f5263be..0000000
--- a/aoc24/src/day2p1.zig
+++ /dev/null
@@ -1,54 +0,0 @@
-const std = @import("std");
-
-pub fn main() !void {
-    const input = @embedFile("2.txt");
-    try std.fmt.format(std.io.getStdOut().writer(), "{}\n", .{try run(input)});
-}
-
-test {
-    const value = try run(
-        \\7 6 4 2 1
-        \\1 2 7 8 9
-        \\9 7 6 2 1
-        \\1 3 2 4 5
-        \\8 6 4 4 1
-        \\1 3 6 7 9
-    );
-    std.debug.print("got {}\n", .{value});
-    std.debug.assert(value == 2);
-}
-
-pub fn run(input: []const u8) !u32 {
-    var lines = std.mem.split(u8, input, "\n");
-
-    var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
-    defer arena.deinit();
-    const allocator = arena.allocator();
-
-    var reports = std.ArrayList(std.ArrayList(u32)).init(allocator);
-    defer reports.deinit();
-
-    while (lines.next()) |line| {
-        if (line.len == 0) continue;
-        var report = std.ArrayList(u32).init(allocator);
-        var words = std.mem.split(u8, line, " ");
-        while (words.next()) |word| {
-            try report.append(try std.fmt.parseInt(u32, word, 10));
-        }
-        try reports.append(report);
-    }
-
-    var safe: u32 = 0;
-    for (reports.items) |report| {
-        const increasing = report.items[0] < report.items[1];
-        for (report.items[0 .. report.items.len - 1], report.items[1..]) |prev, curr| {
-            if ((prev < curr) != increasing) break;
-            if (prev == curr) break;
-            if (@max(prev, curr) - @min(prev, curr) > 3) break;
-        } else {
-            safe += 1;
-        }
-    }
-
-    return safe;
-}