황소개발자

빨리 성장하자 import sys input = sys.stdin.readline h, w = map(int, input().split()) miro = [[] for i in range(h)] dx = [1, -1, 0, 0] dy = [0, 0, 1, -1] for i in range(h): ss = input().strip() for s in ss: miro[i].append(int(s)) dist = [[[0, 0] for j in range(w)] for i in range(h)] def bfs(y, x, wall): q = [[y, x, wall]] dist[y][x][wall] = 1 while q: now = q.pop(0) for i in range(4): y, x, z = now ny ..