Buggy python submission (verdict: Time Limit Exceeded):
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    warp_count = [[-1] * W for i in range(H)]
    neighbor_4 = [(-1, 0), (1, 0), (0, -1), (0, 1)]
    neighbor_25 = [(i, j) for i in range(-2, 3) for j in range(-2, 3)]
    queue = deque([(Start_row, Start_col, 0)])  # コスト 0 の移動は左詰めする

    def can_walk(row, col):
        return 0 <= row < H and 0 <= col < W and Grid[row][col] == '.'

    def move(row, col, neighbor, cond, func):
        nonlocal warp_count
        for dr, dc in neighbor:
            nr, nc = row + dr, col + dc
            if can_walk(nr, nc):
                if eval(cond):
                    func((nr, nc, count + int(len(neighbor) == 25)))

    while(queue):
        row, col, count = queue.popleft()
        if warp_count[row][col] != -1:
            continue
        warp_count[row][col] = count

        move(row, col, neighbor_4, 'warp_count[nr][nc] == -1', queue.appendleft)
        move(row, col, neighbor_25, 'True', queue.append)

    return warp_count[Goal_row][Goal_col]

print(d_wizard_in_maze())

Fixed submission:
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    warp_count = [[-1] * W for i in range(H)]
    neighbor_4 = [(-1, 0), (1, 0), (0, -1), (0, 1)]
    neighbor_25 = [(i, j) for i in range(-2, 3) for j in range(-2, 3)]
    queue = deque([(Start_row, Start_col, 0)])  # コスト 0 の移動は左詰めする

    while(queue):
        row, col, count = queue.popleft()
        if warp_count[row][col] != -1:
            continue
        warp_count[row][col] = count

        for dr, dc in neighbor_4:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                if warp_count[nr][nc] == -1:
                    queue.appendleft((nr, nc, count))

        for dr, dc in neighbor_25:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                queue.append((nr, nc, count + 1))

    return warp_count[Goal_row][Goal_col]

print(d_wizard_in_maze())

Buggy python submission (verdict: Time Limit Exceeded):
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    warp_count = [[-1] * W for i in range(H)]
    neighbor = {(-1, 0), (1, 0), (0, -1), (0, 1)}
    queue = deque([(Start_row, Start_col, 0)])  # コスト 0 の移動は左詰めする
    while(queue):
        row, col, count = queue.popleft()

        if warp_count[row][col] >= 0:
            continue

        warp_count[row][col] = count
        for dr in range(-2, 3):
            for dc in range(-2, 3):
                nr, nc = row + dr, col + dc
                if (0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.'
                        and warp_count[row + dr][col + dc] < 0):
                    if (dr, dc) in neighbor:
                        queue.appendleft((nr, nc, count))
                    else:
                        queue.append((nr, nc, count + 1))
    return warp_count[Goal_row][Goal_col]

print(d_wizard_in_maze())

Fixed submission:
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    warp_count = [[-1] * W for i in range(H)]
    neighbor_4 = [(-1, 0), (1, 0), (0, -1), (0, 1)]
    neighbor_25 = [(i, j) for i in range(-2, 3) for j in range(-2, 3)]
    queue = deque([(Start_row, Start_col, 0)])  # コスト 0 の移動は左詰めする

    while(queue):
        row, col, count = queue.popleft()
        if warp_count[row][col] != -1:
            continue
        warp_count[row][col] = count

        for dr, dc in neighbor_4:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                if warp_count[nr][nc] == -1:
                    queue.appendleft((nr, nc, count))

        for dr, dc in neighbor_25:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                queue.append((nr, nc, count + 1))

    return warp_count[Goal_row][Goal_col]

print(d_wizard_in_maze())

Buggy python submission (verdict: Time Limit Exceeded):
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    neighbor = ((-1, 0), (1, 0), (0, -1), (0, 1))  # 上下左右
    warp = tuple((i, j) for i in range(-2, 3) for j in range(-2, 3)
                 if (i, j) not in neighbor)
    # dist[r][c]: スタートから (r, c) に到達するために必要なワープ回数の最小値
    dist = [[float('inf')] * W for _ in range(H)]

    def is_inside(row, col):
        return 0 <= row < H and 0 <= col < W

    def next_query(row, col, time, _next, cost):
        for dr, dc in _next:
            nr, nc = row + dr, col + dc
            if is_inside(nr, nc) and Grid[nr][nc] == '.' and time < dist[nr][nc]:
                if cost == 0:
                    queue.append((nr, nc, time))
                else:
                    queue.appendleft((nr, nc, time + 1))

    queue = deque([(Start_row, Start_col, 0)])
    while queue:
        row, col, time = queue.pop()
        if time > dist[row][col]:
            continue  # キューに入れた時点では候補だったが、後に歩いて行けるとわかった

        dist[row][col] = time
        if row == Goal_row and col == Goal_col:
            break

        next_query(row, col, time, neighbor, 0)
        next_query(row, col, time, warp, 1)
    return -1 if dist[Goal_row][Goal_col] == float('inf') else dist[Goal_row][Goal_col]

print(d_wizard_in_maze())

Fixed submission:
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    warp_count = [[-1] * W for i in range(H)]
    neighbor_4 = [(-1, 0), (1, 0), (0, -1), (0, 1)]
    neighbor_25 = [(i, j) for i in range(-2, 3) for j in range(-2, 3)]
    queue = deque([(Start_row, Start_col, 0)])  # コスト 0 の移動は左詰めする

    while(queue):
        row, col, count = queue.popleft()
        if warp_count[row][col] != -1:
            continue
        warp_count[row][col] = count

        for dr, dc in neighbor_4:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                if warp_count[nr][nc] == -1:
                    queue.appendleft((nr, nc, count))

        for dr, dc in neighbor_25:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                queue.append((nr, nc, count + 1))

    return warp_count[Goal_row][Goal_col]

print(d_wizard_in_maze())

Buggy python submission (verdict: Time Limit Exceeded):
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    neighbor = ((-1, 0), (1, 0), (0, -1), (0, 1))  # 上下左右
    warp = tuple((i, j) for i in range(-2, 3) for j in range(-2, 3)
                 if (i, j) not in neighbor)
    # dist[r][c]: スタートから (r, c) に到達するために必要なワープ回数の最小値
    dist = [[float('inf')] * W for _ in range(H)]

    def is_inside(row, col):
        return 0 <= row < H and 0 <= col < W

    def next_query(row, col, time, _next, cost):
        for dr, dc in _next:
            nr, nc = row + dr, col + dc
            if is_inside(nr, nc) and Grid[nr][nc] == '.' and time < dist[nr][nc]:
                if cost == 0:
                    queue.append((nr, nc, time))
                else:
                    queue.appendleft((nr, nc, time + 1))

    queue = deque([(Start_row, Start_col, 0)])
    while queue:
        row, col, time = queue.pop()
        if time > dist[row][col]:
            continue  # キューに入れた時点では候補だったが、後に歩いて行けるとわかった

        dist[row][col] = time
        next_query(row, col, time, neighbor, 0)
        next_query(row, col, time, warp, 1)
    return -1 if dist[Goal_row][Goal_col] == float('inf') else dist[Goal_row][Goal_col]

print(d_wizard_in_maze())

Fixed submission:
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    warp_count = [[-1] * W for i in range(H)]
    neighbor_4 = [(-1, 0), (1, 0), (0, -1), (0, 1)]
    neighbor_25 = [(i, j) for i in range(-2, 3) for j in range(-2, 3)]
    queue = deque([(Start_row, Start_col, 0)])  # コスト 0 の移動は左詰めする

    while(queue):
        row, col, count = queue.popleft()
        if warp_count[row][col] != -1:
            continue
        warp_count[row][col] = count

        for dr, dc in neighbor_4:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                if warp_count[nr][nc] == -1:
                    queue.appendleft((nr, nc, count))

        for dr, dc in neighbor_25:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                queue.append((nr, nc, count + 1))

    return warp_count[Goal_row][Goal_col]

print(d_wizard_in_maze())

Buggy python submission (verdict: Time Limit Exceeded):
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    neighbor = ((-1, 0), (1, 0), (0, -1), (0, 1))  # 上下左右
    warp = tuple((i, j) for i in range(-2, 3) for j in range(-2, 3))  # ワープで移動できる範囲

    def is_inside(row, col):
        return 0 <= row < H and 0 <= col < W

    # dist[r][c]: スタートから (r, c) に到達するために必要なワープ回数の最小値
    dist = [[float('inf')] * W for _ in range(H)]
    queue = deque([(Start_row, Start_col, 0)])
    while queue:
        row, col, time = queue.pop()
        dist[row][col] = time
        for dr, dc in neighbor:
            nr, nc = row + dr, col + dc
            if is_inside(nr, nc) and Grid[nr][nc] == '.' and time < dist[nr][nc]:
                queue.append((nr, nc, time))
        for dr, dc in warp:
            nr, nc = row + dr, col + dc
            if is_inside(nr, nc) and Grid[nr][nc] == '.' and time < dist[nr][nc]:
                queue.append((nr, nc, time + 1))
    return -1 if dist[Goal_row][Goal_col] == float('inf') else dist[Goal_row][Goal_col]

print(d_wizard_in_maze())

Fixed submission:
def d_wizard_in_maze():
    from collections import deque
    H, W = [int(i) for i in input().split()]
    Start_row, Start_col = [int(i) - 1 for i in input().split()]
    Goal_row, Goal_col = [int(i) - 1 for i in input().split()]
    Grid = [input() for _ in range(H)]

    warp_count = [[-1] * W for i in range(H)]
    neighbor_4 = [(-1, 0), (1, 0), (0, -1), (0, 1)]
    neighbor_25 = [(i, j) for i in range(-2, 3) for j in range(-2, 3)]
    queue = deque([(Start_row, Start_col, 0)])  # コスト 0 の移動は左詰めする

    while(queue):
        row, col, count = queue.popleft()
        if warp_count[row][col] != -1:
            continue
        warp_count[row][col] = count

        for dr, dc in neighbor_4:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                if warp_count[nr][nc] == -1:
                    queue.appendleft((nr, nc, count))

        for dr, dc in neighbor_25:
            nr, nc = row + dr, col + dc
            if 0 <= nr < H and 0 <= nc < W and Grid[nr][nc] == '.':
                queue.append((nr, nc, count + 1))

    return warp_count[Goal_row][Goal_col]

print(d_wizard_in_maze())