拜托看看吧!
#include <iostream.h>
#include <stdlib.h>
#include <stdio.h>
int max(int a,int b,int c)
{int x=a;if(x<b)x=b;if(x<c)x=c;return x;}
void main(int argc, char* argv[])
{  int p,e,i,d,M,TT,sum,n=1;
   scanf("%d%d%d%d",&p,&e,&i,&d);
   sum=p+e+i;
   while(sum!=-3)
   {   M=max(p,e,i);
	   if(sum==0)TT=21252-d;
	   else 
	   {
		   if(((e-p)==5)&&((i-e)==5))
		   { 
			   if((p-23-d)>0 ) 
				   TT=p-23-d;
			   else 
				   TT=21252+(p-23-d);
		   }
		   else 
		   {
			   for(M;M<21252;M++)
				   if(((M-p)%23==0)&&((M-e)%28==0)&&((M-i)%33==0))
				   {
					   TT=M-d;
					   break;
				   }
				   if(M==21252)
					   TT=21252-d;
				   if(TT==0)
					   TT=21252;
		   }
	   }
	   cout<<"Case "<<n	<<": the next triple peak occurs in "
			<< TT
			<<" days.\n";
       scanf("%d%d%d%d",&p,&e,&i,&d);
	   sum=p+e+i;
	   n++;
   }
}