#include<stdio.h>
#include<math.h>
void main(){
  int p,e,i,d,j,no=1;
  scanf("%d %d %d %d\n",&p,&e,&i,&d);
  while(p!=-1 && e!=-1 && i!=-1 && d!=-1){
	for(j=d+1; j<=21252; j=j++) if ((j-p)%23==0) break;
	for( ; j<=21252; j=j+23) if ((j-e)%28==0) break;
	for( ; j<=21252; j=j+23*28) if ((j-i)%33==0) break; 
	printf("Case %d: the next triple peak occurs in %d days.\n",no,j-d);
	scanf("%d %d %d %d\n",&p,&e,&i,&d);
	no++;
  }
}

• Re:da an (1) IC0590505139 2005-11-23 08:39:29