#include <stdio.h>
#include <stdlib.h>
//#include <string.h>
//#include <ctype.h>
//#include <math.h>

#define DP 23
#define DE 28 
#define DI 33

int main( void )
{
   int n = 1;
   int p , e , i , d ;

   //freopen( "in.txt" , "r" , stdin );
   //freopen( "out.txt" , "w" , stdout );

   for( scanf( "%d%d%d%d" , &p , &e , &i , &d ) ; p != -1 ; scanf( "%d%d%d%d" , &p , &e , &i , &d ) )
   {
      //get interval
      p = ( p - d ) % DP ,  e = ( e - d ) % DE ,  i = ( i - d ) % DI ;
      //in case interval below 0
      p += ( p < 0 ? DP : 0 )，  e +=( e < 0 ? DE : 0)， i +=( i < 0 ? DI : 0);
      if( p == e && p == i )
      {
         printf( "Case %d: the next triple peak occurs in %d days.\n" , n++ , (p == 0) ? 21252 : p );
         continue;
      }
      while( p != e || p != i )
      {
         p += 23;
         if( p - e >= 5 )
            e += 28;
         if( e - i >= 5 )
            i += 33;
      }
      printf( "Case %d: the next triple peak occurs in %d days.\n" , n++ , p );
   }

   return 0;
}

• Re:120K 32MS 比较和谐的暴力破解…… (223) PhoeniXszx 2012-03-12 23:26:18