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COHO-STUDY
python-for-coding-test
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from itertools import combinations
n, m = map(int, input().split())
chicken, house = [], []
for r in range(n):
data = list(map(int, input().split()))
for c in range(n):
if data[c] == 1:
house.append((r, c)) # 일반 집
elif data[c] == 2:
chicken.append((r, c)) # 치킨집
# 모든 치킨 집 중에서 m개의 치킨 집을 뽑는 조합 계산
candidates = list(combinations(chicken, m))
# 치킨 거리의 합을 계산하는 함수
def get_sum(candidate):
result = 0
# 모든 집에 대하여
for hx, hy in house:
# 가장 가까운 치킨 집을 찾기
temp = 1e9
for cx, cy in candidate:
temp = min(temp, abs(hx - cx) + abs(hy - cy))
# 가장 가까운 치킨 집까지의 거리를 더하기
result += temp
# 치킨 거리의 합 반환
return result
# 치킨 거리의 합의 최소를 찾아 출력
result = 1e9
for candidate in candidates:
result = min(result, get_sum(candidate))
print(result)
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