Sorting with Lambda Function using C++

#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    cin >> n;
    int a[n];
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    sort(a, a + n, [](const int& a, const int& b) -> bool {
        // write condition below
       return a > b; // sort in non-increasing order
    });
    for (int i = 0; i < n; i++) {
        cout << a[i] << " ";
    }
    cout << '\n';
    return 0;
}