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18 changes: 18 additions & 0 deletions leetcode3/남효정/914. X of a Kind in a Deck of Cards.py
Original file line number Diff line number Diff line change
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from collections import Counter
import math

class Solution:
def hasGroupsSizeX(self, deck: List[int]) -> bool:
# 모든 숫자의 등장 횟수 찾기
counts = Counter(deck).values()
g = 0

# 등장 횟수 간의 최대 공약수 찾기
for count in counts:
g = math.gcd(g, count)

# 최대 공약수가 1이면 배열 구할 수 없음
if g > 1:
return True
return False