백준 소스코드 [C++] 2164 카드 2

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

2164번: 카드2

백준 소스코드 [C++] 2164 카드 2

#include <iostream>
#include <utility>
#include <vector>
#include <algorithm>
#include <queue>
using namespace std;
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n,m;
	cin >> n;
	queue <int> q;
	for (int i = 1;i <= n;i++) q.push(i);
	while (q.size() !=1) {
		q.pop();
		if (q.size() == 1)  break;
		else {
			m = q.front();
			q.pop();
			q.push(m);
		}
	}
	cout << q.front();
	return 0;
}