#include<iostream>#include<cstring>#include<algorithm>usingnamespace std;constint N =100010;int a[N];int n;intmain(){cin>>n;int x;cin>>x;int res = x;for(int i=1;i<n;i++) cin>>x, res ^= x;if(res)puts("Yes");elseputs("No");}
答题结果页 - 蓝桥云课 (lanqiao.cn)
0子2023 - 蓝桥云课 (lanqiao.cn)(暴力枚举 #include<bits/stdc.h>
using lllong long;
using ullunsigned long long;
#define fir first
#define sec second
//#define int llconst int N1e510;
const int mod1e97;int…