#include<stdio.h>
#include<math.h>
void find(int n,int &l,int &r,int &level)
{
int i;
level=1;
for(i=1;;i+=2)
{
if(n-i<=0)
{
l=(n+1)/2;
r=(i-n)/2+1;
break;
}
level++;
n-=i;
}
}
int main()
{
int m,n;
int ml,mr,nl,nr,mlevel,nlevel;
while(scanf("%d%d",&m,&n)!=EOF)
{
find(m,ml,mr,mlevel);
find(n,nl,nr,nlevel);
printf("%d\n",abs(ml-nl)+abs(mr-nr)+abs(mlevel-nlevel));
}
return 0;
}
原文：http://www.cnblogs.com/wangkun1993/p/6284085.html