# Black cells in a chessboard Codechef Solution

Black cells in a chessboard Codechef Solution: Hello coders, today we are going to solve Chess Match Codechef Solution.

## Problem

Given nn (nn is even), determine the number of black cells in an n×nn×n chessboard.

### Input Format

The only line of the input contains a single integer nn.

### Output Format

Output the number of black cells in an n×nn×n chessboard.

### Constraints

• 2≤n≤1002≤n≤100
• nn is even

```8
```

```32
```

### Explanation

There are 3232 black cells and 3232 white cells in an 8×88×8 chessboard. So the answer is 3232.

## Black cells in a chessboard   – CodeChef Solution in JAVA

```import java.util.*;
import java.lang.*;
import java.io.*;
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc=new Scanner(System.in);
int a=sc.nextInt();
if(a%2==0)
{
int b=(a*a)/2;
System.out.println(b);
}
}
}```

## Black cells in a chessboard    – CodeChef Solution in CPP

```#include <iostream>
using namespace std;
int main() {
// your code goes here
int n, a, b;
cin >> n;
a = n * n;
b = a / 2;
cout << b;
return 0;
}```

## Black cells in a chessboard – CodeChef Solution in Python

```n=int(input())
print((n*n)//2)```

Disclaimer: The above Problem (Black cells in a chessboard ) is generated by CodeChef but the solution is provided by Chase2learn.This tutorial is only for Educational and Learning purpose.