31.cpp

经典C语言程序设计100例1-10 如【程序1】 题目：有1、2、3、4个数字

/*---------------------------------------例题31-------------------------------------------------------------------*/


#include <iostream>

using namespace std;

int main()
{
	char letter;
	cout<<"Please input the letter:"<<endl;
	cin>>letter;
	switch(letter)
	{
	case 'm':case 'M':
		cout<<"Today is Monday! Good Luck!"<<endl;break;
	case 't':case 'T':
		cout<<"Please input the second letter:"<<endl;
		cin>>letter;
		if(letter == 'u' || letter == 'U')
		{
			cout<<"Today is Tuesday! Good Luck!"<<endl;
			break;
		}
		else if(letter == 'h' || letter == 'H')
		{
			cout<<"Today is Thursday! Good Luck!"<<endl;
			break;
		}
		else
			cerr<<"Input error,it does not exist!"<<endl;break;
	case 'w':case 'W':
			cout<<"Today is Wednesday! Good Luck!"<<endl;break;
	case 'f':case 'F':
			cout<<"Today is Friday! Good Luck!"<<endl;break;
	case 's':case 'S':
		cout<<"Please input the second letter:"<<endl;
		cin>>letter;
		if(letter == 'a' || letter == 'A')
		{
			cout<<"Today is Saturday! Good Luck!"<<endl;
			break;
		}
		else if(letter == 'u' || letter == 'U')
		{
			cout<<"Today is Sunday! Good Luck!"<<endl;
			break;
		}
		else
			cerr<<"Input error,it does not exist!"<<endl;break;
	default:
			cerr<<"Input error,it does not exist!"<<endl;break;
	}

	return 0;
}