1550. Three Consecutive Odds

QUESTION:

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

EXPLANATION:

easy的题目, 就不多说了.

SOLUTION:

class Solution {
    func threeConsecutiveOdds(_ arr: [Int]) -> Bool {
        var count:Int = 0
        for item in arr {
            if item % 2 == 1 {
                count += 1
                if count == 3 {
                    return true
                }
            } else {
                count = 0
            }
        }
        return false
    }
}
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