My issue
unable to solve give hint please
My code
#include <bits/stdc++.h>
using namespace std;
int main() {
// your code goes here
int t;
cin>>t;
while(t--){
int n;
cin>>n;
string s;
cin>>s;
int cnt=0;
for(int i=0;i<n;i++){
if(s[i]=='0'){
cnt++;
}
}
if(cnt==0){
cout<<n<<endl;
}
else{
cout<<cnt<<endl;
}
}
}
Problem Link: Fake Certificate Practice Coding Problem