/*
NIIT 《C++ & CGI PROGRAMMING &SCRRIPTING》 Skill Base
P5.9		◆5.P.3◆
Checkup：	MrZhou
18:07 2004-09-26
*/

#include <iostream.h>
void square(int *);
int main()
{
  int number=10;
  square(&number);
  cout << number << endl;
  return 0;
}
void square(int *num)
{
  *num*=*num;
  cout << *num << endl;
}