1 #include <iostream>
2
3 using namespace std;
4
5 class Weekday
6 {
7 private:
8 int num;
9 public:
10 void SetDay(){cin>>num;return;}
11 void IncDay(){num+=1;if(num>6) num-=7;return;}
12 void NowDay()
13 {
14 switch(num)
15 {
16 case 0:cout<<"星期日"<<endl;break;
17 case 1:cout<<"星期一"<<endl;break;
18 case 2:cout<<"星期二"<<endl;break;
19 case 3:cout<<"星期三"<<endl;break;
20 case 4:cout<<"星期四"<<endl;break;
21 case 5:cout<<"星期五"<<endl;break;
22 case 6:cout<<"星期六"<<endl;break;
23 default:break;
24 }
25 }
26 };
27
28 int main()
29 {
30 Weekday one;
31 one.SetDay();
32 one.NowDay();
33 one.IncDay();
34 one.NowDay();
35 one.IncDay();
36 one.NowDay();
37 return 0;
38 }