Submission #1041793

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Source Code Expand

#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <assert.h>

using namespace std;

#define rep(i,n) for(int i = 0;i < n;i++)
#define each(i,n) for(auto &i : n)

#define int long long

signed main() {

	int x, y;
	cin >> x >> y;

	int ans;

	if (x < y)ans = y - x;
	else
	if (x < 0 && y < 0) {
		ans = 1 + abs(y) - abs(x) + 1;
	}else
	if (x < 0 && y > 0) {
		if (abs(x) < abs(y))ans = 1 + y - abs(x);
		else ans = y + abs(x);
	}else
	if (x > 0 && y < 0) {
		if (abs(x) < abs(y))ans = abs(y) - abs(x) + 1;
		else ans = 1 + abs(x) - abs(y);
	}else
	if (x > 0 && y > 0) {
		ans = 1 + x + y;
	}

	cout << ans << endl;
	return 0;
}

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