how to resolve this error
runguard: warning: timelimit exceeded (wall time): aborting command runguard: warning: command terminated with signal 15
#include
#include
using namespace std;
int main()
{
int t;
cin>>t;
while(t–){
string s1, s2;
cin >> s1 >> s2;
for (int i = 0; i < s1.length(); ++i)
{
if (s1[i] == s2[i])
{
s1[i] = '0';
}
else
{
s1[i] = '1';
}
}
cout << s1 << endl;
}
return 0;
}