Submission #1041133

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Source Code Expand

#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <algorithm>
#include <numeric>
#include <random>
#include <vector>
#include <array>
#include <bitset>
#include <queue>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>

using namespace std;
using ll = long long;
using ull = unsigned long long;
constexpr ll TEN(int n) { return (n==0) ? 1 : 10*TEN(n-1); }
int bsr(int x) { return 31 - __builtin_clz(x); }

ll calc(ll x, ll y) {
    if (x > y) return TEN(18);
    return y-x;
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout << setprecision(20);
    ll x, y;
    cin >> x >> y;
    ll ans = TEN(18);
    ans = min(ans, calc(x, y));
    ans = min(ans, calc(-x, y)+1);
    ans = min(ans, calc(x, -y)+1);
    ans = min(ans, calc(-x, -y)+2);
    cout << ans << endl;
    return 0;
}

Submission Info

Judge Result