Q11219: How old are you?

原文
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2160
中譯
http://luckycat.kshs.kh.edu.tw/homework/q11219.htm

#include "stdio.h"

int main()
{
  int T,D,M,Y,d,m,y,DAYS,days,times = 1;

  scanf(" %d",&T);
  while ( times <= T )
  {
 scanf(" %d/%d/%d",&D,&M,&Y); 
 scanf(" %d/%d/%d",&d,&m,&y);  

 DAYS = Y * 12 * 31 + (M - 1) * 31 + D;
 days = y * 12 * 31 + (m - 1) * 31 + d;

 if( DAYS - days < 0)
   printf("Case #%d: Invalid birth date\n",times);
 else if( DAYS - days >= 131 * 12 * 31 )
   printf("Case #%d: Check birth date\n",times);
 else
 {
   printf("Case #%d: %d\n",times,(DAYS - days) / (12 * 31));
 }
 times++;
  }
  return 0;
}