TR001...what was my mistake??

int main() { long long int n,m,t,x; cin>>t; while(t--) { cin>>n>>m; if(n>=m) {

        x=(n/2);
        cout<<x<<"\n";
    }
    else
    {
        x=(m/2);
        cout<<x<<"\n";
    }




}
return 0;

}