Dem_SNT_Trong_Mang

#include <stdio.h>

int SNT(int a )
{
    int d = 0;

    for (int i = 1 ;i <= a; i++ )
    {
        if ( a % i == 0 ) d++;
    }
    if (d == 2) return 1; else return 0;
}
int main()
{
    int a[100], n, d = 0;

    scanf("%d", &n);
    for (int i = 0; i < n; i++ )
    {
        scanf("%d", &a[i]);
    }
    for (int i = 0; i < n; i++ )
    {
        if (SNT(a[i])) d++;
    }
    printf("%d ", d);
    for (int i = 0; i < n; i++ )
    {
        if (SNT(a[i])) printf("%d ", a[i]);
    }
    return 0;

}