[백준/C++] 2164 카드2

문제

 

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

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Algorithm

 

 

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Code

#include <iostream>
#include <queue>
using namespace std;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    queue<int> Q;
    int N;
    cin >> N;
    for (int i=1;i<=N;i++){
        Q.push(i);
    }
    while (Q.size() != 1){
        Q.pop();
        Q.push(Q.front());
        Q.pop();
    }
    cout << Q.front();
    
    return 0;
}