2023: d15: ex1: add solution

2023/d15/ex1/ex1.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+import sys
+
+
+def solve(input: list[str]) -> int:
+    def compute_hash(string: str) -> int:
+        res = 0
+
+        for c in string:
+            res += ord(c)
+            res *= 17
+            res %= 256
+
+        return res
+
+    return sum(map(compute_hash, input))
+
+
+def main() -> None:
+    input = sys.stdin.read().splitlines()
+    assert len(input) == 1  # Sanity check
+    print(solve(input[0].split(",")))
+
+
+if __name__ == "__main__":
+    main()