F班同学请看这篇新闻

//计算器程序
#include <bits/stdc++.h>
using namespace std;

int main()
{
	int a,b;
	char p;
	cin>>a>>p>>b;
	switch (p) 
	{
		case '+': cout<<a+b<<endl;break;
		case '-': cout<<a-b<<endl;break;
		case '*': cout<<a*b<<endl;break;
		case '/':
			if (b == 0){
				cout<<"除数不能为0"<<endl;
			}
			else{
				cout<<a/b<<endl;
			}
			break;
		default: cout<<"ERROR"<<endl;break;
	}
	return 0;
}



//输出星座switch语句格式程序
#include <bits/stdc++.h>
using namespace std;

int main()
{
	int a;
	cin>>a;
	switch(a)
	{
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		case 1:cout<<"星座"<<endl;break;
		default:cout<<"ERROR"<<endl;break;
	}
	return 0;
}