#include <iostream>
using namespace std;
/*
地址传递，可以修改实参的值
*/
void swap(int *p1, int *p2)
{
int temp = *p1;
*p1 = *p2;
*p2 = temp;
}
int main()
{
int a = 10;
int b = 20;
swap(&a, &b);
cout << "a=" << a << endl;//20
cout << "b=" << b << endl;//10
system("pause");
return 0;
}
Processed:
0.010, SQL:
9
