import heapq def dijkstra(grid, x, y, end_x, end_y): rows, cols = 6, 6 visted = set() pq = [(0, x, y, 1)] while pq: cost, x, y, state = heapq.heappop(pq) if x == end_x and y == end_y: return cost if (x, y, state) in visted: continue visted.add((x, y, state)) direction = [(-1, 0), (1, 0), (0, 1), (0,...