My code does not clear all test cases. Please check and let and correct my mistake.
#include
#include
using namespace std;
int main() {
int t;
cin>>t;
while(t–)
{
string s1;
string s2;
cin>>s1;
cin>>s2;
for(int i=0; i<s1.length(); i++)
{
if(s1[i]==s2[i])
{
cout<<“0”;
}
else
{
cout<<“1”;
}
}
}
return 0;