很简单的xor题目
#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int ans;
int n;
int x;
int main(){
scanf("%d",&n);
for(int i=1;i<=n;++i){
scanf("%d",&x);
ans^=x;
}
cout<<ans<<endl;
return 0;
}
很简单的xor题目
#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int ans;
int n;
int x;
int main(){
scanf("%d",&n);
for(int i=1;i<=n;++i){
scanf("%d",&x);
ans^=x;
}
cout<<ans<<endl;
return 0;
}