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1630. Count Odd Numbers In An Interval Range

Math

Problem - 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

Solutions

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class Solution:
    def countOdds(self, low: int, high: int) -> int:
        return (high + 1) // 2 - low // 2

Submission Stats:

  • Runtime: 35 ms (73.97%)
  • Memory: 17.7 MB (49.37%)