Submission #1042117

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <string>
#include <algorithm>

using namespace std;

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)

int main() {
	int x, y;
	cin >> x >> y;
	int ans;
	if (x >= 0 && y >= 0) {
		if (x > y) ans = x - y + 2;
		else ans = y - x;
	}
	if (x < 0 && y < 0) {
		if (x > y) ans = -y - -x + 2;
		else ans = y - x;
	}
	if (x < 0 && y >= 0) {
		if (-x > y) ans = -x - y + 1;
		else ans = y - -x + 1;
	}
	if (x >= 0 && y < 0) {
		if (x > -y) ans = x + y + 1;
		else ans = -y - x + 1;
	}
	
	cout << ans << endl;
	return 0;
}

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