Help me in solving AIRTRAV problem

help
,
1

My issue

Please , i can’t figure it out , i need answer , i need it in python

My code

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

int solve() {
    int n;
    cin >> n;
    
    int arr[n];
    
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }
    
    int res = 1;
    priority_queue<int> pq;
    
    for (int i = 0, cur = 0; i < n; i++) {
        while (!pq.empty() && cur < i) {
            cur += pq.top();
            pq.pop();
            res++;
        }
        
        if (cur < i) return -1;
        
        pq.push(arr[i]);
    }
    
    
    return res;
}

int main() {
	// your code goes here
	int t;
	cin >> t;
	
	while (t--) {
	    cout << solve() << "\n";
	}
	
	return 0;
}

Learning course: Python with Data structures
Problem Link: CodeChef: Practical coding for everyone