17-2-anim

18/18-2.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
+from copy import deepcopy
 
 file = "./input.txt"
 XY_DIMENSION = 70
@@ -29,10 +30,11 @@ def print_grid(f):
         print()
 
 def fill_grid(gri:list[list[str]], ma:list[list[int]], filler:str)->list[list[str]]:
+    result = deepcopy(gri)
     for m in ma:
         x , y = m[0],m[1]
-        gri[y][x] = filler
-    return gri
+        result[y][x] = filler
+    return result
 
 def read_input(input_file:str, ) -> list[list[int]]:
     out = []
@@ -58,7 +60,7 @@ def shortest_path(array, start, end):
         for dx, dy in [(0, 1), (1, 0), (0, -1), (-1, 0)]:
             nx, ny = x + dx, y + dy
             if 0 <= nx < zeilen and 0 <= ny < spalten and array[nx][ny] == '.' and (nx, ny) not in visited:
-                queue.append(((nx, ny), pfad + [(nx, ny)]))
+                queue.append(((nx, ny), pfad + [(ny, nx)]))
                 visited.add((nx, ny))
 
     return -1, []  # Kein Pfad gefunden