#include "stdio.h"
main()
{  char str[100][71]={"http://www.acm.org/"};
   char s[71],(*p)[71];
   int i=0,ii=0;
   p=str;
   scanf("%s",s);
 while(s[0]!='Q')
  { if(s[0]=='V')
      {scanf("%s",*++p);
       ii=++i;
       printf("%s\n",*p);
      }
     else if(s[0]=='B')
       { i--;
         if(i<0)
          {i=0;
           printf("Ignored\n");
           }
         else
           printf("%s\n",*--p);
       }
     else if(s[0]=='F')
        { i++;
         if(i>ii)
           {i=ii;
            printf("Ignored\n");
            }
         else
           printf("%s\n",*++p);
        }
   scanf("%s",s);
 }
}

• 借地方用一下。^_^ (207) ass 2003-12-03 22:32:02
  • Re:再借地方用一下。^_^ (323) ass 2003-12-03 22:41:40
    • Re:再借地方用一下。^_^ (311) ass 2003-12-04 10:20:09
• 我已经解决的 (6) glaver 2003-12-04 13:48:57
  • Re:我已经解决的 (22) A0417068 2004-02-14 17:18:40
    • Re:我已经解决的 (45) c0400146010 2004-02-16 22:49:38