#include<iostream>
using namespace std;

int main(void)
{
	int p=0,e,i,d,t=1,res;
	cin>>p>>e>>i>>d;
	while(p!=-1)
	{
		if(p==e&&e==i&&p<=d)
			res=p+21252;
		else
		{
			if(e>28)
				res=e;
			else
				res=e+28;
			while((res-p)%23!=0)
				res+=28;
			while((res-i)%33!=0)
				res+=644;
		}
		res-=d;
		if(res>21252)
			res-=21252;
                cout<<"Case "<<t++;
		cout<<": the next triple peak occurs in ";
		cout<<res<<" days."<<endl;
		cin>>p>>e>>i>>d;
	}
	system("pause");
	return 0;
}

• 抱歉，是一上去就WA，想AC想疯了。从早上八点写到晚上十一点，就吃了一顿饭。 (14) lhmm945 2006-01-21 23:44:53