Help me in solving SUMPOW problem

help
,
1

My issue

include <bits/stdc++.h>
using namespace std;

int main() {
int t;
cin >> t;
while (t–) {
int n;
cin >> n;
string s;
cin >> s;
if(s==“1” || s==“10”)
{
cout<<“NO”<<endl;
}
else{
int cnt = count(s.begin(), s.end(), ‘1’);
if (cnt <= 3) {
cout << “YES\n”;
} else {
cout << “NO\n”;
}
}
}
return 0;
}…please tell me error

My code

#include <bits/stdc++.h>
using namespace std;

int main() {
    int t;
    cin >> t;
    while (t--) {
        int n;
        cin >> n;
        string s;
        cin >> s;
        if(s=="1" || s=="10")
        {
            cout<<"NO"<<endl;
        }
        else{
        int cnt = count(s.begin(), s.end(), '1');
        if (cnt <= 3) {
            cout << "YES\n";
        } else {
            cout << "NO\n";
        }
        }
    }
    return 0;
}

Problem Link: SUMPOW Problem - CodeChef