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1550 - Three Consecutive Odds (Easy)

https://leetcode.com/problems/three-consecutive-odds/

Problem Statement​

Given an integer array arr, return true if there are three consecutive odd numbers in the array. Otherwise, return false.

Example 1:

Input: arr = [2,6,4,1]
Output: false
Explanation: There are no three consecutive odds.

Example 2:

Input: arr = [1,2,34,3,4,5,7,23,12]
Output: true
Explanation: [5,7,23] are three consecutive odds.

Constraints:

  • 1 <= arr.length <= 1000
  • 1 <= arr[i] <= 1000

Approach 1: TBC​

Written by @wingkwong
class Solution:
    def threeConsecutiveOdds(self, arr: List[int]) -> bool:
        for i in range(1, len(arr) - 1):
            if arr[i - 1] & 1 and arr[i] & 1 and arr[i + 1] & 1:
                return True
        return False