Submission #3195674

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define max(a,b) ((a)>(b)?(a):(b))
#define min(a,b) ((a)<(b)?(a):(b))

typedef long long LL;

LL calc(LL x,LL y){
  LL count=0;
  if(max(x,y)>0){
    count+=max(x,y);
    if(x>y){
      y-=x;
      x=0;
    }else{
      x-=y;
      y=0;
    }
    count-=min(x,y);
  }else{
    count=-x-y;
  }
  return count;
}

int main(){
  LL x,y;
  cin >> x >> y;
  LL ans=2*calc(x,y);
  ans=min(ans,2*calc(x-1,y)+1);
  ans=min(ans,2*calc(x,y-1)+1);
  ans=min(ans,2*calc(x+1,y+1)+1);
  cout << ans << endl;
  return 0;
}

Submission Info

Judge Result