From c0877054bdbcb4739ecc842e37b0f1d6ba7af8d0 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Thu, 1 Dec 2022 13:05:31 +0100
Subject: 2022-01 in zig

---
 2022/01/first.zig | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 2022/01/first.zig

(limited to '2022/01/first.zig')

diff --git a/2022/01/first.zig b/2022/01/first.zig
new file mode 100644
index 0000000..0c967fd
--- /dev/null
+++ b/2022/01/first.zig
@@ -0,0 +1,28 @@
+const std = @import("std");
+
+const example = @embedFile("example");
+const input = @embedFile("input");
+
+pub fn main() anyerror!void {
+    try std.testing.expectEqual(solve(example), 24000);
+    const result = try solve(input);
+    try std.io.getStdOut().writer().print("{}\n", .{result});
+}
+
+fn solve(puzzle: []const u8) !u64 {
+    var it = std.mem.split(u8, puzzle, "\n");
+    var max: u64 = 0;
+    var tot: u64 = 0;
+    while (it.next()) |value| {
+        const n = std.fmt.parseInt(u64, value, 10) catch 0;
+        if (n == 0) {
+            if (tot > max) {
+                max = tot;
+            }
+            tot = 0;
+        } else {
+            tot += n;
+        }
+    }
+    return max;
+}
-- 
cgit v1.2.3