🐣 게임 맵 최단거리
1. 문제 링크
2. 코드
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from collections import deque
dx = [-1, 1, 0, 0]
dy = [0, 0, -1, 1]
def bfs(maps, x, y):
queue = deque()
queue.append((x, y))
while queue:
x, y = queue.popleft()
for i in range(4):
nx = x + dx[i]
ny = y + dy[i]
if nx < 0 or nx >= len(maps) or ny < 0 or ny >= len(maps[0]): continue
if maps[nx][ny] == 0: continue
if maps[nx][ny] == 1:
maps[nx][ny] = maps[x][y] + 1
queue.append((nx, ny))
return maps[len(maps)-1][len(maps[0])-1]
def solution(maps):
answer = bfs(maps, 0, 0)
print(maps)
return -1 if answer == 1 else answer # 상대 팀 진영에 도착할 수 없을 때 -1
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