NS3Cvf - Online C++ Compiler & Debugging Tool

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

int main() {
    //el tamnio del vector
    int n;
    cin >> n;
    //Declaro mi vector con n como tamanio
    int a[n];
    //leemos el vector
    for(int i = 0; i < n; i++)
        cin >> a[i];
    //ordenar
    for(int i = 0; i < n - 1; i++) {
        for(int j = i + 1; j < n; j++) {
            if(a[i] < a[j]) {
                int aux = a[i];
                a[i] = a[j];
                a[j] = aux;
            }
        }
    }
    //impresion
    for(int i = 0; i < n; i++)
        cout << a[i] << " ";
    cout << "\n";
}