#include <iostream.h>
void main()
{
	int a,b,c,d,t=0;
	while(1)
	{
		t++;
		cin>>a>>b>>c>>d;
		if(a<=-1&&b<=-1&&c<=-1&&d<=-1) return;
		for(int i=a; ;i+=23)
		{
			if(a==0&&b==0&&c==0) i=23*28*33;
			if((i-b)%28==0 && (i-c)%33==0) break;
		}
		cout<<"Case "<<t<<": the next triple peak occurs in "<<i-d<<" days."<<endl;
	}
}

• Re:哪里错了？thank you very much (10) 00108035 2004-05-18 13:02:45