🐣 문제

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

🐥 코드

#include <iostream>
#include <queue>
#include <string>

using namespace std;

int main(){
    ios::sync_with_stdio(false); 
    cin.tie(0);
    
    queue<int> q;

    int num = 0;
    cin >> num;

    for(int i = 1; i < num+1; i++){
        q.push(i);
    }

    while(q.size() != 1){
        q.pop();
        q.push(q.front());
        q.pop();
    }

    cout << q.front();

    return 0;
}