#define _CRT_SECURE_NO_WARNINGS
#include "bits/stdc++.h"
using namespace std;
#define int long long
#define CHOOSE(a) CHOOSE2 a
#define CHOOSE2(a0,a1,a2,a3,x,...) x
#define REP1(i, s, cond, cal) for (signed i = signed(s); i cond; i cal)
#define REP2(i, s, n) REP1(i, s, < signed(n), ++)
#define REP3(i, n) REP2(i, 0, n)
#define rep(...) CHOOSE((__VA_ARGS__,REP1,REP2,REP3))(__VA_ARGS__)
#define rrep(i, s) rep(i, s, >= 0, --)
#define all(c) begin(c), end(c)
template<typename T>bool maxup(T& a, T&& b) { if (a < b) { a = b; return true; }; }
template<typename T>bool maxup(T& a, T& b) { if (a < b) { a = b; return true; }; }
template<typename T>bool minup(T& a, T&& b) { if (a > b) { a = b; return true; }; }
template<typename T>bool minup(T& a, T& b) { if (a > b) { a = b; return true; }; }
#define X first
#define Y second
using VV = vector<vector<int>>;
using V = vector<int>;
using P = pair<int, int>;
using IP = pair<int, P>;
template<typename T>
inline void input(vector<T>& v) { for (auto& x : v) cin >> x; }
signed main() {
int x, y; cin >> x >> y;
int ans = abs(abs(x) - abs(y));
if ((x * y < 0) || (x == 0 && y < 0) || (x > 0 && y == 0)) {
ans++;
} else {
if (x > y) ans += 2;
}
cout << ans << endl;
system("pause");
}
./Main.cpp: In function ‘int main()’:
./Main.cpp:42:17: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
system("pause");
^