Submission #1041489

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Source Code Expand

#include <bits/stdc++.h>

#define rep2(x,fr,to) for(int (x)=(fr);(x)<(to);(x)++)
#define rep(x,to) for(int (x)=0;(x)<(to);(x)++)
#define repr(x,fr,to) for(int (x)=(fr);(x)>=(to);(x)--)
#define all(c) (c).begin(),(c).end()
#define sz(v) (int)(v).size()

using namespace std;
typedef long long ll; typedef vector<int> VI; typedef pair<int, int> pii;
const int mod = (int)1e9 + 7;


int main()
{

	//cin.tie(0); ios_base::sync_with_stdio(false);
	ll x,y;
	int ans=0;
	cin >>x >>y;
	
		if(x*-1==y){ puts("1"); return 0;}
	if(y<x) {
		ans+=2;
		x *=-1; y*=-1;
		ans += y-x;
		cout << ans << endl;
		return 0;
	}
	if( x*y < 0){ ans++; x *=-1;}
	cout << y-x + ans <<endl;
	return 0;
}

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