p3_2.cpp

相当丰富的C++源码

/**************************************************
*  p3_2.cpp                                       *
*  将百分制的成绩按的等级分输出switch-case实现    *
**************************************************/
#include<iostream>
using namespace std;
void main()
{
	int n;
	cout<<"Enter a score:";
	cin>>n;
    switch(n/10) 
	{
		case 9: case 10:
			  cout<<"The degree is A"<<endl;
              break;
         case 8: 
              cout<<"The degree is B"<<endl;
              break;
         case 7: case 6:
              cout<<"The degree is C"<<endl;
              break;
         default:
              cout<<"The degree is D"<<endl;
	}
}