第7回（OOP-第3回）

スライド

code:red_and_black.py

can_move = set()

W,H = 0,0

def check(h, w):

can_move.add((h, w))

for d in range(-1,2):

if 0 <= h + d < H:

check(h+d, w)

if 0 <= w + d < W:

check(h, w+d)

while True:

W, H = map(int, input().split())

if W == 0 and H == 0:

break

can_move = set()

Tile = []

(h, w) = (0, 0)

for i in range(H):

Row = input()

Rowl = []

for r in range(len(Row)):

(h, w) = (i, r)

Tile.append(Rowl)

check(h,w)

print(len(can_move))