7.1.8

#include <iostream>
#include <cmath>

using namespace std;


void showFromEnd(int *arr, int size)
{
    int * current=arr+size-1;
    while(current>=arr)
    {
        cout<<*current<<" "<<current<<endl;
        current--;
    }
}

int main()
{
    int n;
    cin>>n;
    int *Mas=new int[n];
    for (int i=0;i<n;i++)
    {
        cin>>Mas[i];
    }
    showFromEnd(Mas,n);
    return 0;
}