Submission #1041484

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Source Code Expand

//#include "IntMod.h"
//typedef IntMod<1000000007> MInt;

//#include "Union_Find.h"

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <vector>
#include <utility>
#include <algorithm>
#include <functional>
#include <cmath>
#include <stack>
#include <queue>
#include <set>
#include <map>
//#include <unordered_set>
//#include <unordered_map>
#include <iomanip>
#include <sstream>

using namespace std;
#define REP(i,a,n) for(int i = a; i < n; ++i)
#define REPM(i,n,a) for(int i = n - 1; i >= a; --i)
#define EPS 0.0001
#define INF 0x3FFFFFFF
#define INFLL 0x3FFFFFFF3FFFFFFF
#define INFD 1.0e+308
typedef long long LL;
typedef unsigned long long ULL;

class SplitStream {
	typedef basic_ostream<char, char_traits<char> > BaseOst;
	std::ostream& ost_m;
	bool line_is_empty_m;
public:
	SplitStream(std::ostream& ost);
	template <typename T>
	SplitStream& operator<<(T right);
	SplitStream& operator<<(BaseOst& (*right)(BaseOst&));
};
SplitStream::SplitStream(std::ostream& ost) : ost_m(ost), line_is_empty_m(true) {}
template <typename T>
SplitStream& SplitStream::operator<<(T right) {
	if (!line_is_empty_m) ost_m << ' ';
	line_is_empty_m = false;
	ost_m << right;
	return *this;
}
/* std::endl のみ */
SplitStream& SplitStream::operator<<(BaseOst& (*right)(BaseOst&)) {
	ost_m << '\n';
	ost_m.flush();
	line_is_empty_m = true;
	return *this;
}
SplitStream Scout(cout);

template <typename T, int Begin, int End>
class OffsetArray {
	T arr_m[End - Begin];
public:
	OffsetArray();

	T& operator[](int index);
	T operator[](int index) const;
};
template<typename T, int Begin, int End>
OffsetArray<T, Begin, End>::OffsetArray() : arr_m() {}
template<typename T, int Begin, int End>
T& OffsetArray<T, Begin, End>::operator[](int index) {
	return arr_m[index - Begin];
}
template<typename T, int Begin, int End>
T OffsetArray<T, Begin, End>::operator[](int index) const {
	return arr_m[index - Begin];
}


int X, Y;
int main() {
	cin >> X >> Y;
	int ret;
	if ((LL)X * Y >= 0) {
		if (Y >= X) {
			ret = Y - X;
		} else {
			if (Y == 0) {
				ret = X + 1;
			} else if (X == 0) {
				ret = 1 - Y;
			} else {
				ret = X - Y + 2;
			}
		}
	} else {
		ret = abs(X + Y) + 1;
	}

	cout << ret << endl;
	return 0;
}

Submission Info

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