> #define N  10000
> #include"stdio.h"
> 
> long x,y;
> long z;
> long n,i,j;
> 
> main()
> {      scanf("%d",&n);
>        for(i=0;i<n;i++)
>        {   scanf("%ld%ld",&x,&y);
>            z=y-x;
>            for(j=1;j<z;j++)
>             {  x=x+j;
>                if(x>=(y-1)) 
>                   { printf("%d\n",j+1);break;}
>              }
>          }
> }
> 我为什么错呢？

• Re:不是这么理解吗？ (177) tcxgsy 2005-08-17 20:38:55
  • +1,+2,then +4???, then +2???? (193) frkstyc 2005-08-17 20:39:59
    • Re:不好意思 (0) tcxgsy 2005-08-17 20:44:21
      • Re:不好意思 (53) tcxgsy 2005-08-17 20:45:26
        • +3,+1? (63) frkstyc 2005-08-17 20:46:11
          • Re:+3,+1? (25) tcxgsy 2005-08-17 20:47:39
            • by one smaller than the length of the previous step (29) frkstyc 2005-08-17 20:51:13
              • Re: by one smaller than the length of the previous step (7) tcxgsy 2005-08-17 20:58:36
                • Re: by one smaller than the length of the previous step (73) xianyunsc 2005-08-17 21:42:02
                  • Re: by one smaller than the length of the previous step (11) tcxgsy 2005-08-17 21:55:41
                    • 第一步和最后一步必须是1,中间的每一步只能:比上一步大1,相等,或者小1 (15) xfxyjwf 2005-08-17 21:58:34
                  • Re: by one smaller than the length of the previous step (11) tcxgsy 2005-08-17 21:55:43
                    • Re: by one smaller than the length of the previous step (36) xianyunsc 2005-08-18 20:14:47