[B2164][카드][python]

https://www.acmicpc.net/problem/2164

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import sys 
from collections import deque 

n = int(sys.stdin.readline()) 
q = deque() 

for i in range(n): 
    q.append(i + 1) 
    
while len(q) > 1:
    q.popleft() 
    q.append(q.popleft()) 
print(q.pop())