# Odd Pairs CodeChef Solution

Table of Contents

### We Are Discuss About CODECHEF SOLUTION

Odd Pairs CodeChef Solution

## Odd Pairs CodeChef Solution

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## Problem

Given an integer N, determine the number of pairs (A, B) such that:

• 1 \leq A, B \leq N;
• A + B is odd.

### Input Format

• The first line of input will contain a single integer T, denoting the number of test cases.
• Each test case consists of a single integer N.

### Output Format

For each test case, output the number of required pairs.

### Constraints

• 1 \leq T \leq 100
• 1 \leq N \leq 10^9
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### Sample 1:

Input

Output

5
1
2
3
100
199

0
2
4
5000
19800


### Explanation:

Test case 1: There are no pairs satisfying the given conditions.

Test case 2: The pairs satisfying both conditions are: (1, 2) and (2, 1).

Test case 3: The pairs satisfying both conditions are: (1, 2), (2, 1), (2, 3), and (3, 2).

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## SOLUTION

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