1523. Count Odd Numbers in an Interval Range

Easy

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

解題

Runtime: 0 ms, faster than 100.00%

Memory Usage: 2 MB, less than 26.16%

func countOdds(low int, high int) int {
    if low%2==0 && high%2==0 {
        return (high-low)/2
    }
    
    return (high-low)/2 + 1
}