Which test cases am I missing?

general
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1

Problem Statement:

image
image877×384 27.1 KB

My code:

#include <bits/stdc++.h>
using namespace std;
 
int main()
{
    int t;
    cin>>t;
    for(int i=0;i<t;i++)
    {
        int n;
        cin>>n;
        int ai[n],bi[n];
        int quality=-1000;
        for(int j=0;j<n;j++)
        {
            cin>>ai[j];
            cin>>bi[j];
            if((ai[j]<=10)&&(bi[j]>quality))
            quality=j;
        }
        cout<<(quality+1)<<endl;
    }
}

I am getting the output, but the answer is not getting submitted because I am missing some test cases. I am unable to figure out the missing test cases. Help would be appreciated thank you.