/C++/Calculating Function codeforces in c++

Calculating Function codeforces in c++

#include<iostream>
using namespace std;
int main()
{
	long long n, sum;
	cin >> n;
	if (n % 2 == 0)
		sum = (n / 2);
	else
		sum = ((n + 1) / 2) * (-1);
	cout << sum << endl;
	return 0;
}

Source: codeforces.com

Similar codes

0 vote228 views1 answer
Rotation 2d d'un point
C++
10 votes198 views1 answer
How to append one vector to another c++
C++
0 vote197 views1 answer
C++ vector fill
C++
0 vote193 views1 answer
C++ clip values
C++
0 vote223 views1 answer
C++ fibo
C++
1 vote185 views1 answer
Chrono start time in c++
C++
1 vote179 views1 answer
C++ print variable address
C++
8 votes186 views3 answers
C++ min
C++
0 vote194 views1 answer
Left margin c++
C++
0 vote189 views1 answer
Nested conditional operator
C++