Given two non-negative integers low and high. Return the count of odd numbers between low and high (inclusive).

 

Example 1:

Input: low = 3, high = 7

Output: 3

Explanation: The odd numbers between 3 and 7 are [3,5,7].

Example 2:

Input: low = 8, high = 10

Output: 1

Explanation: The odd numbers between 8 and 10 are [9].

 

Constraints:

• 0 <= low <= high <= 10^9