#include <iostream>
using namespace std;
void f(int *d,const int sized){ // C-style, think of d as a pointer
  for (int i=0;i<sized;++i) cout<<i<<" "<<d[i]<<endl;
}
int main(){
  int j[]={2,4,5}; 
  f(j,3);
  return 0 ;
}