#include<bits/stdc++.h>
using namespace std;
int main()
{
int a[10]={1,5,3,4,7,5,2,4,2,1};
int res=0;
for(int i=0;i<10;i++)
{
res=res^a[i];
}
cout<<res;
int num=0;
for(int i=0;i<10;i++)
{
if(res&a[i]>0)
{
num=num^a[i];
}
}
cout<<"no 1 is "<<num<<endl;
cout<<“no 2 is”<<num^res;
}
this code is not produing output