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62 changes: 62 additions & 0 deletions wnsmir/๊ตฌํ˜„/์ธ๊ตฌ์ด๋™.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
from collections import deque

N, L, R = map(int, input().split())

# ์ง€๋„ ๋ฐ›๊ธฐ
land = [list(map(int, input().split())) for _ in range(N)]
move = False
dx = [1, -1, 0, 0]
dy = [0, 0, 1, -1]
day = 0

while True:
day += 1
unify = []
visited = [[False]*N for _ in range(N)]

for i in range(N):
for j in range(N):
# ์ด๋ฏธ ๋ฐฉ๋ฌธํ•œ๊ณณ์ด๋ผ๋ฉด pass
if visited[i][j] == True:
continue

start = (i, j)
queue = deque()
queue.append(start)
uni = []
while queue:
x, y = queue.popleft()
for d in range(4):
nx = x + dx[d]
ny = y + dy[d]
if 0 <= nx < N and 0 <= ny < N:
if visited[nx][ny] == False:
# ์ฐจ์ด๊ฐ€ L์ด์ƒ R์ดํ•˜๋ผ๋ฉด ์ถ”๊ฐ€
if L <= abs(land[x][y] - land[nx][ny]) <= R:
visited[nx][ny] = True
queue.append((nx, ny))
uni.append((nx, ny))

# ์ด๋ฒˆํ„ด์— ์ƒ๊ธด ๋ฉ์–ด๋ฆฌ๋“ค ์ถ”๊ฐ€
if len(uni) > 0:
unify.append(uni)

# ์ธ๊ตฌ์ด๋™์ด ์ง„ํ–‰๋˜๋Š” ๊ฒฝ์šฐ ์ธ๊ตฌ์ด๋™ ์ง„ํ–‰
if len(unify) > 0:
# ์ธ๊ตฌ์ด๋™ ์ง„ํ–‰
for uni in unify:
e_value = 0
for x, y in uni:
value = land[x][y]
e_value += value

e_count = len(uni)
population = e_value//e_count
for u in uni:
x, y = u
land[x][y] = population

# ์•ˆ๋˜๋Š” ๊ฒฝ์šฐ while๋ฌธ ์ข…๋ฃŒํ•˜๊ณ  ํ•ด๋‹น ์ผ์ž print
else:
print(day - 1)
break