8.14补课

#include<iostream>
using namespace std;

int main(){
    int n;
    cin>>n;
    switch(n){
    	case 1:cout<<"Monday";break;
    	case 2:cout<<"Tuesday";break;
    	case 3:cout<<"Wednesday";break;
    	case 4:cout<<"Thursday";break;
    	case 5:cout<<"Friday";break;
    	case 6:cout<<"Saturday";break;
    	case 7:cout<<"Sunday";break;
    	default:cout<<"input error!"; 
	}
	 
	return 0;
}

#include<iostream>
using namespace std;
int main(){
	int n;
	cin>>n;
	cout<<"windows小程序\n";
	cout<<"1.计算器\n";
	cout<<"2.记事本\n";
	cout<<"3.画图\n";
	cout<<"输入选择：";
	switch(n){
		case 1:system("calc");break; 
		case 2:system("notepad");break; 
		case 3:system("mspaint");break; 
		default:cout<<"输入有误\n";	
	}
	 
	return 0;
}

#include<iostream> 
using namespace std;
int main(){
	int n;
	cin>>n;
	if(n==3||n==4||n==5){
		cout<<"spring!";
	} 
	else if(n==6||n==7||n==8){
		cout<<"summer!";
	}
	else if(n==9||n==10||n==11){
		cout<<"autumn!";
	}
	else if(n==12||n==1||n==2){
		cout<<"winter!";
	}
	else{
		cout<<"wrong!";
	}
	return 0;
}