hdu 1030 Delta-wave

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<time.h>
#include<map>
#include<ctype.h>
#include<iostream>
#include<algorithm>
#include<stdlib.h>
#include<queue>
#include<stack>
using namespace std;
#define LL long long
const int N=1010000;
void solv(int n,int &l,int &r,int &lev)
{
    int i;
    lev=1;
    for(i=1;;i+=2)
    {
        if(n-i<=0)
        {
            l=(n+1)/2;
            r=(i-n)/2+1;
            break;
        }
        lev++;
        n-=i;
    }
}
int main()
{
    int n,m,j,i,l,nr,nl,mr,ml,nc,mc;
    while(~scanf("%d%d",&n,&m))
    {
        solv(n,nl,nr,nc);
        solv(m,ml,mr,mc);
        printf("%d\n",abs(nl-ml)+abs(nr-mr)+abs(nc-mc));

    }
}