#include"stdio.h"
#include"math.h"

main()
{int n;
 long x,y,z,k,j=0,p=0;
    scanf("%d",&n);
    while(n)
    {   scanf("%d%d",&x,&y);
       z=y-x;k=0;
       for(p=1;;p++)  
          {  k+=p;    //k为什么是乱码呢
              j++;
              if(z<=(2*k))  break;
           }
       if(z<=(2*k-j)) printf("%d\n",(2*j-1));
          else printf("%d\n",2*j);        
        n--;
      }
 }

• Re:我再三考虑过后，仍是不对？ (470) tcxgsy 2005-08-19 17:19:55