how to pass arrays by reference c 2b 2b

1#include <iostream>
2using namespace std;
3void show( int *num) {
4   cout<<*num;
5}
6int main() {
7   int a[] = {3,2,1,6,7,4,5,0,10,8};
8   for (int i=0; i<10; i++) {
9      show (&a[i]);
10   }
11   return 0;
12}