p5_1.cpp

相当丰富的C++源码

/*****************************************************
* 程序名：p5_1.cpp
* 功能： 枚举类型的使用，输入城市代号，输出城市名称
******************************************************/
#include<iostream>
using namespace std;
enum city{ Beijing,Shanghai,Tianjin=6,Chongqing};
void main()
{
  int n;
  cout<<"Input a city number ("<<Beijing-1<<" to exit)："<<endl;
  cin>>n;
  while(n>=Beijing){
      switch(n) {
        case Beijing:  cout<<"Beijing"<<endl; break;
        case Shanghai: cout<<"Shanghai"<<endl;break;
        case Tianjin: cout<<"Tianjin"<<endl;  break;
        case Chongqing: cout<<"Chongqing"<<endl; break;
        default: cout<<"Invalid city number! "<<endl; break;
      }
      cin>>n;
   }
}