Why I am getting 0 while passing inputs

#1

#include
using namespace std;
int main() {
int n,ans=0;
cin>>n;
int a[n];
for(int i=0;i<n;i++)
{
//int no;
cin>>a[i];
int ans = ans^a[i];
}
cout<<ans;
return 0;
}

#2

@Nasir share your code using cb ide and whats the question?

#3

Unique number from bitmasking

#4

@Nasir you are declaring ans everytime inside the for loop
do
ans=ans^a[i] not it ans=ans^a[i]
is it clear now?

#5

thank you bhai, its my fault

#6

@Nasir np just mark it resolved and hit like if you want :smiley:

#7

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