第八周项目6-本月有几天？

左手的ㄟ右手 2022-08-13 09:59 180阅读 0赞

#include <iostream>
    using namespace std;
    int main()
    {
        int year,month,day,t;
        cout<<"您想知道本月有几天吗？快快输入年份和月份，让本系统告诉你本月有几天吧~！"<<endl;
        cout<<"请输入年份";
        cin>>year;
        cout<<"请输入月份";
        cin>>month;
        if(month>12)cout<<"您输入的月份有误，请重试";
        else
        {
            if(month==2 &&(year%400==0 || (year%100!=0 && year%4==0)))
                t=0;
            else   t=month;
            switch(t)
            {
            case 0:
                day=29;
                break;
            case 1:
                day=31;
                break;
            case 2:
                day=28;
                break;
            case 3:
                day=31;
                break;
            case 4:
                day=30;
                break;
            case 5:
                day=31;
                break;
            case 6:
                day=30;
                break;
            case 7:
                day=31;
                break;
            case 8:
                day=31;
                break;
            case 9:
                day=30;
                break;
            case 10:
                day=31;
                break;
            case 11:
                day=30;
                break;
            case 12:
                day=31;
                break;
            }
            cout<<"本月"<<day<<"天"<<endl;
        }
        return 0;
    }

![SouthEast][] ![SouthEast 1][]

[SouthEast]: https://img-blog.csdn.net/20141019131304375?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvbWFueGNjMTQyNQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast
[SouthEast 1]: /images/20220810/b4f19ae4eb8d40aa9a04c518f54d54fe.png