Can anyone tell me what is error in my code?

help
1

Table Strength Practice Coding Problem - CodeChef

include <bits/stdc++.h>

using namespace std;

int main() {
// your code goes here
int t;
cin >> t;
while (t–)
{
int n;
cin >> n;
vector < int > a(n);
for (int i = 0; i < n; i++)
{
cin >> a[i];
}

    sort(a.rbegin(), a.rend());
    
    float ans = a[0], m = 2;
    
    for (int i = 1; i < n; i++)
    {
        if (a[i] * m >= ans)
        {
            ans = a[i]*m;
            m += 1;
        }
        // else continue;
    }
    
    cout << ans << endl;
}

}