---
title: "LeetCode #485: Max Consecutive Ones"
url: https://perrotta.dev/2025/12/leetcode-%23485-max-consecutive-ones/
last_updated: 2026-01-06
---


[LeetCode #485: Max Consecutive Ones](https://leetcode.com/problems/leetcode-#485:-max-consecutive-ones):

```python
class Solution:
    def findMaxConsecutiveOnes(self, nums: List[int]) -> int:
        ans = 0

        prev = 0
        for num in nums:
            if num == 0:
                prev = 0

            elif num == 1:
                prev += 1
                ans = max(ans, prev)

        return ans
```