#include <iostream>
using namespace std;
int main(){
    long n;
    cin >> n;
    long a[n];
    for (long i=0; i<n; i++){
        cin >> a[i];
    }
    cout << "cac phan tu am cua mang: ";
    for (long i=0; i<n; i++){
        if (a[i]<0) cout << a[i] << " ";
    }
}

$\color{red}{\text{#Daoanhviet96}}$

#include <iostream>

using namespace std;

int main()

{

    int a[100], i, n;

    cout << "Nhap so phan tu = ";

    cin >> n;

    for (i = 1; i <= n; i++) {

        cout << "Nhap so thu " << i << " : ";

        cin >> a[i];

    }

    cout << "Cac so am : ";

    for (i = 1; i <= n; i++){

        if (a[i] < 0) cout << a[i] << " ";

    }

    return 0;

}