p15.cpp

来自「清华大学数据结构的教程源码,c++版的,有助于提高自已对数据结构的认识」· C++ 代码 · 共 9 行

#include <iostream.h>

void swap (int &i, int &j);

main() {
    int a = 1, b = 2;
    cout << "a and b:" << a << " " << b << endl;
    swap (a,b);
    cout << "a and b:" << a << " " << b