1 files changed, 28 insertions, 0 deletions
diff --git a/2022/06-tuning-trouble/first.zig b/2022/06-tuning-trouble/first.zig
new file mode 100644
index 0000000..0d20f2a
--- /dev/null
+++ b/2022/06-tuning-trouble/first.zig
@@ -0,0 +1,28 @@
+const std = @import("std");
+
+const example = @embedFile("example");
+const example2 = @embedFile("example2");
+const example3 = @embedFile("example3");
+const example4 = @embedFile("example4");
+const example5 = @embedFile("example5");
+const input = @embedFile("input");
+
+pub fn main() anyerror!void {
+    try std.testing.expectEqual(solve(example), 7);
+    try std.testing.expectEqual(solve(example2), 5);
+    try std.testing.expectEqual(solve(example3), 6);
+    try std.testing.expectEqual(solve(example4), 10);
+    try std.testing.expectEqual(solve(example5), 11);
+    const result = solve(input);
+    try std.io.getStdOut().writer().print("{}\n", .{result});
+}
+
+fn solve(puzzle: []const u8) u64 {
+    var i: u64 = 3;
+    while (true) : (i += 1) {
+        if (puzzle[i] == puzzle[i - 1] or puzzle[i] == puzzle[i - 2] or puzzle[i] == puzzle[i - 3] or puzzle[i - 1] == puzzle[i - 2] or puzzle[i - 1] == puzzle[i - 3] or puzzle[i - 2] == puzzle[i - 3]) {
+            continue;
+        }
+        return i + 1;
+    }
+}