temp.cpp

#include <iostream> 
using namespace std;

void nhapmang(int a[], int n) {
    for (int i = 0; i < n; i++) {
        cout << "Nhap a[" << i << "]=";
        cin >> a[i];
    }
}
void xuatmang(int a[], int n) {
  cout << "Mang a[]: ";
    for (int i = 0; i < n; i++) {
        cout << a[i] << " ";
    }
  cout << endl;
}
void chen(int a[], int n, int vitricanchen, int socanchen) {
    for (int i = n; i >= vitricanchen; i--) {
        a[i] = a[i - 1];
    }
    a[vitricanchen] = socanchen;
    n++;
}
int main() {
    int a[100];
    int n;
    int vt;
    int socanchen;
    cout << "\nNhap so phan tu: n=";
    cin >> n;
    nhapmang(a, n);
    cout << "\nXuat mang vua nhap la:\n";
    xuatmang(a, n);
    cout << "\nNhap vao vi tri can chen: vt=";
    cin >> vt;
    cout << "\nNhap vao so can chen: socanchen=";
    cin >> socanchen;
    chen(a, n, vt, socanchen);
    xuatmang(a, n);
    return 0;
}