#include <iostream>

using namespace std;

void bla(int c[], int s)
{
  c[3] = 5;
}

void doSomething(const int b[], int size)
{
  int i;
  for (i=0;i<size;i++)
    cout << b[i] << " ";
  cout << endl;

  bla(b,size);

}

void doSomethingElse(int b[], int size)
{
  int i;
  for (i=0;i<size;i++)
    b[i] = b[i]*2;
}
  


int main() 
{

  int a[20];
  int i;

  for (i=0;i<20;i++) a[i] = i*2;


//  a[5] = 6;
  
  doSomething(a,20);
  doSomethingElse(a,20);
  doSomething(a,20);

  return 0;
}