/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 vote40 views1 answer
How to delete repeated element in stack c++
C++
0 vote41 views1 answer
Max pooling in c++
C++
14 votes39 views6 answers
How to get size of array c++
C++
0 vote50 views1 answer
Hello world cc++
C++
4 votes45 views1 answer
How to make i/o fast in c++
C++
2 votes48 views1 answer
C++ code for insertion sort
C++
0 vote45 views2 answers
QVariant to int
C++
0 vote54 views1 answer
What is blob in computer vision
C++
0 vote43 views1 answer
Irremoteesp8266 example
C++
15 votes50 views4 answers
C++ random
C++