day 18 part 1 python

day18.py

@@ -0,0 +1,65 @@
+def parse_input(input: list[str]):
+    return [tuple(map(lambda f: int(f), cl.split(','))) for cl in input]
+
+
+with open('input/day18.txt', 'r') as f:
+    data = f.read()
+
+
+points = parse_input(data.strip().split('\n'))
+points = set(points[:1024])
+start = (0, 0)
+goal = (70, 70)
+w = 70
+
+# points = set([
+#     (5, 4),
+#     (4, 2),
+#     (4, 5),
+#     (3, 0),
+#     (2, 1),
+#     (6, 3),
+#     (2, 4),
+#     (1, 5),
+#     (0, 6),
+#     (3, 3),
+#     (2, 6),
+#     (5, 1),
+#     (1, 2),
+#     (5, 5),
+#     (2, 5),
+#     (6, 5),
+#     (1, 4),
+#     (0, 4),
+#     (6, 4),
+#     (1, 1),
+#     (6, 1),
+#     (1, 0),
+#     (0, 5),
+#     (1, 6),
+#     (2, 0),
+# ][:12])
+# goal = (6, 6)
+# w = 6
+
+visited = dict()
+stack = [(0, 0, 0)]
+while len(stack) > 0:
+    # (x, y, c) = stack.pop(len(stack)-1)
+    (x, y, c) = stack.pop(0)
+    print("took " + str((x, y, c)))
+    if (x, y) == goal:
+        print(c)
+        break
+
+    if (x, y) in visited:
+        continue
+    visited[(x, y)] = c
+
+    for (a, b) in [(x+nx, y+ny) for (nx, ny) in [(0, 1), (1, 0), (0, -1), (-1, 0)]]:
+        print("checking " + str((a, b)))
+        if 0 <= a <= w and 0 <= b <= w and (a, b) not in points:
+            stack.append((a, b, c + 1))
+            print("added something")
+
+# 2224 too high