C语言趣味例题

三天打鱼两天晒网问题

#include <iostream>
using namespace std;
class Date{
    public:
        int year,month,day;
        Date(int y,int m,int d):year(y),month(m),day(d){
        }
};
bool runyear(int x)
{
    if((x%400==0) || (x%4==0 && x%100!=0))
    {
        return true;
    }
    else
    {
        return false;
    }
}
int count(class Date c)
{
    int total=0;
    int permonth[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
    for(int year=1990;year<c.year;year++)
    {
        if(runyear(year))
        {
            total+=366;
        }
        else
        {
            total+=365;
        }
    }
    if(runyear(c.year))
    {
        permonth[2]+=1;
    }
    for(int month=0;month<c.month;month++)
    {
        total+=permonth[month];
    }
    total+=c.day;
    return total%5;
}
int main()
{
    int y,m,d;
    cin>>y>>m>>d;
    Date c(y,m,d);
    if(count(c)==4 || count(c)==0)
    {
        cout<<"shaiwang"<<endl;
    }
    else
    {
        cout<<"dayu"<<endl;
    }
    return 0;
}