#include "math.h"
#include "stdio.h"

void main()
{
	int n=1,a,b,c,d,i;
	do
	{
		scanf("%d %d %d %d",&a,&b,&c,&d);
	    for(i=c;((i-b)%28)!=0;i=i+33) {}
    	for(;((i-a)%23)!=0;i=i+924)	{}
        if (i==0) i=21252;
    	if (a!=-1) printf("Case %d: the next triple peak occurs in %d days.\n",n,i-d);
		n++;
	}
	while(a!=-1&&b!=-1&&c!=-1&&d!=-1);
}

• give you a data (47) xuerdawas 2003-11-19 22:40:29
• 问题在对结果的处理上 (56) IceAngel 2008-06-02 10:16:16