add: day10: part1

2025/day10/part1.py

@@ -0,0 +1,58 @@
+from __future__ import annotations
+
+text: str
+
+with open("input.txt") as f:
+    text = f.read()
+
+def toogle(current: str, button: list[int]):
+    for index in button:
+        current[index] = "." if current[index] == "#" else "#"
+
+def min_solver(pattern: str, buttons: list[list[int]], current: list[str], config: list[list[int]], min_solved: int) -> int:
+
+    if len(config) == min_solved:
+        return min_solved
+
+    for button in buttons:
+
+        if button in config:
+            continue
+
+        toogle(current, button)
+        tmp = "".join(current)
+        toogle(current, button)
+
+        if tmp == pattern:
+            return len(config) + 1
+    
+    for button in buttons:
+        
+        if button in config:
+            continue
+
+        tmp = current.copy()
+        toogle(tmp, button)
+
+        config.append(button)
+        min_solved = min(min_solved, min_solver(pattern, buttons, tmp, config, min_solved))
+        config.remove(button)
+
+    return min_solved
+
+lines: list[str] = text.splitlines()
+
+total: int = 0
+
+for i, line in enumerate(lines):
+    splitter: int = line.index("]")
+    buttons_str: list[str] = line[splitter + 2:line.rindex(" ")].split(" ")
+
+    pattern: str = line[1:splitter]
+    buttons: list[list[int]] = [list(map(int, button[1:-1].split(","))) for button in buttons_str]
+
+    total += min_solver(pattern, buttons, ["." for _ in range(len(pattern))], [], len(buttons) * 2)
+
+    print(i, len(lines))
+
+print(total)