#include
using namespace std;
int main()
{
int t;
cin>>t;
while(t–)
{
int a,b,j=0;
cin>>a>>b;
int cnt[64]={0};
while(a>0||b>0)
{
int l1,l2;
l1=a%10;
l2=b%10;
if(l1!=l2)
cnt[j]=1;
j++;
//cout<<l1<<" "<<l2<<endl;
a=a/10;
b=b/10;
}
for(int i=j-1;i>=0;i--)
cout<<cnt[i];
}
}
why this is not accepted
Hey @rupeshjha90 the given input is string you cant treat it like a number
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