ptr_fun04.cpp

数据结构常用算法合集

//ptr_fun04.cpp	以传址及指针交换
#include <iostream.h>
#include <conio.h>
void swap_data(int&,int*);
void main()
{ int a,b;
  a=10;
  b=15;
  cout << "交换前:" << a <<" "<< b << endl;
  swap_data(a,&b);
  cout << "交换后:" << a <<" "<< b << endl;
  getch();
}
void swap_data(int &a,int *b)
{ int t;
  t = a;
  a = *b;
  *b = t;
}