2023-9-10 Nim游戏

题目链接：Nim游戏

#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
    int n;
    cin >> n;
    int res = 0;
    while(n--)
    {
        int x;
        cin >> x;
        res ^= x;
    }
    if(res) cout << "Yes" << endl;
    else cout << "No" << endl;
    
    return 0;
}