25-07 python p1

1 files changed, 27 insertions, 0 deletions

diff --git a/2025/07/python.py b/2025/07/python.py
new file mode 100755
index 0000000..48a8f2a
--- /dev/null
+++ b/2025/07/python.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+from fileinput import input
+from functools import partial, reduce
+
+lines = [line.strip() for line in input()]
+
+bs = {lines[0].index("S")}
+silver = 0
+
+
+def split(t: int, c: int) -> set[int]:
+    global silver
+    if lines[t][c] == "^":
+        silver += 1
+        return {c - 1, c + 1}
+    return {c}
+
+
+for t, _ in enumerate(lines):
+    bs = reduce(set.union, map(partial(split, t), bs))
+
+
+gold = 0
+
+print("silver:", silver)
+print("gold:", gold)