Submission #1382853

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Source Code Expand

/**
 	Template created by Danel Batyrbek
 	All rights are reserved 2017 (lol)
*/

#include <bits/stdc++.h>

#define speed_up ios_base :: sync_with_stdio(0);cin.tie(0)
#define fr first
#define sc second
#define mkp make_pair
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define debug(x) cerr << x << '\n';
#define YES "YES"
#define NO "NO"
#define skip continue
#define left(x) x << 1
#define rght(x) x << 1 | 1
#define forn(x, y, z) for(int x = y; x <= z; ++ x)
#define for1(x, y, z) for(int x = y; x >= z; -- x)
#define fname ""
using namespace std;

typedef long long ll;
typedef pair <int, int> pii;
typedef double ld;

const int N = 1e5 + 10;
const int mod = 1e9 + 7;
const int N3 = 1e3 + 10;
const int INF = 2e9 + 10;
const ll LINF = 2e18;

int a, b;

int main(){
#ifndef DEBUG
	if(fname != ""){
	freopen(fname".in", "r", stdin);
	freopen(fname".out", "w", stdout);
	}
#endif	
	cin >> a >> b;
	if(a == 0){
		cout << abs(b) + (b >= 0 ? 0 : 1);
		return 0;
	}
	if(b == 0){
    	cout << abs(a) + (a > 0 ? 1 : 0);
    }
	if(a > 0 && b > 0){
		if(a <= b){
			cout << b - a;
			return 0;
		} else {
			cout << 2 + (a - b);
			return 0;
		}
	}
	if(a < 0 && b > 0){
		cout << 1 + abs(-a - b);
		return 0;
	}
	if(a > 0 && b < 0){
		cout << 1 + abs(-b - a);
		return 0;
	}
	if(a < 0 && b < 0){
		if(a <= b){
			cout << b - a;
			return 0;
		} else {
			cout << 2 + a - b;
			return 0;
		}
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:41:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
  freopen(fname".in", "r", stdin);
                                 ^
./Main.cpp:42:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
  freopen(fname".out", "w", stdout);
                                   ^

Judge Result