inserare UBB admitere 2016

#include <iostream>

using namespace std;
int putere(int nr){
    int p=1;
    while(p<=nr){
            p=p<<1;
    }
    return p>>1;
}
void inserare(int a[],int &n){
    int n2=2*n,k=n2;
    for(int i=n;i>=1;i--){
        a[k]=putere(a[i]);
        k--;
        a[k]=a[i];
        k--;
    }
    n=n2;
}
void tipar(int a[],int n){
    for(int i=1;i<=n;i++){
        cout<<a[i]<<" ";
    }
}
int main()
{
    int n = 4, a[10] = {0,3, 1, 24, 9};
    inserare(a,n);
    tipar(a,n);
    return 0;
}