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[Python/ํŒŒ์ด์ฌ] ๋ฐฑ์ค€ 16954๋ฒˆ: ์›€์ง์ด๋Š” ๋ฏธ๋กœ ํƒˆ์ถœ
๐Ÿ”์•Œ๊ณ ๋ฆฌ์ฆ˜/๋ฐฑ์ค€

[Python/ํŒŒ์ด์ฌ] ๋ฐฑ์ค€ 16954๋ฒˆ: ์›€์ง์ด๋Š” ๋ฏธ๋กœ ํƒˆ์ถœ

2022. 1. 3. 14:31
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๋ฌธ์ œ

 

ํ’€์ด

๋ฒฝ์ด ํ•œ ์นธ ๋‚ด๋ ค์˜ค๋Š” ๊ฒƒ = ์šฑ์ œ๊ฐ€ ํ•œ ์นธ ์œ„๋กœ ์˜ฌ๋ผ๊ฐ€๋Š” ๊ฒƒ

๋˜ํ•œ ์šฑ์ œ๊ฐ€ ๋งจ ์œ„์นธ์œผ๋กœ ์˜ฌ๋ผ๊ฐ€๊ธฐ๋งŒ ํ•˜๋ฉด, ๊ฐ€์žฅ ์˜ค๋ฅธ์ชฝ์œผ๋กœ ๊ฐˆ ์ˆ˜ ์žˆ๋‹ค.

(1์ดˆ ๋’ค์—๋Š” ์šฑ์ œ์™€ ๊ฐ™์€ ์นธ์— ์žˆ๋Š” ๋ฒฝ๋“ค์ด ์ „๋ถ€ ์•„๋ž˜๋กœ ๋‚ด๋ ค๊ฐ€๊ณ , ์šฑ์ œ๋Š” ๊ทธ ์นธ์— ๊ทธ๋Œ€๋กœ ์žˆ์œผ๋ฏ€๋กœ)

 

์ฝ”๋“œ

from collections import deque
input = __import__('sys').stdin.readline
n = 8
graph = [list(input().strip()) for _ in range(n)]
visited = [[False] * n for _ in range(n)]
dx = [0, 0, 1, -1, 1, -1, 1, -1, 0]
dy = [1, -1, 0, 0, 1, 1, -1, -1, 0]

q = deque()
q.append((7, 0))
visited[7][0] = True
ans = 0
while q:
    i, j = q.popleft()
    if graph[i][j] == '#':
        continue
    for idx in range(n + 1):
        ni = i + dy[idx]
        nj = j + dx[idx]
        if ni < 0 or ni >= n or nj < 0 or nj >= n or graph[ni][nj] == '#':
            continue
        if ni == 0:
            ans = 1
        if not visited[ni - 1][nj]:
            visited[ni - 1][nj] = True
            q.append((ni - 1, nj))
print(ans)

 

๋งˆ๋ฌด๋ฆฌ

๋„๋‹ฌ ์กฐ๊ฑด์ด ์ƒ๊ฐ๋ณด๋‹ค ๊นŒ๋‹ค๋กœ์›Œ์„œ ํž˜๋“ค์—ˆ๋‹ค...

 

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