1550. Three Consecutive Odds

Problem Link

Description

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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

Solution

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Python3

class Solution:
    def threeConsecutiveOdds(self, arr: List[int]) -> bool:
        N = len(arr)
 
        for i in range(2, N):
            if arr[i] % 2 == arr[i - 1] % 2 == arr[i - 2] % 2 == 1:
                return True
        
        return False