题目:原题链接(中等)
标签:哈希表、数组
| 解法 | 时间复杂度 | 空间复杂度 | 执行用时 | 
| Ans 1 (Python) | O ( N ) | O ( N ) | 72ms (47.37%) | 
| Ans 2 (Python) | |||
| Ans 3 (Python) | 
解法一:
class Solution:
    def maxSubArrayLen(self, nums: List[int], k: int) -> int:
        last = 0
        ans = 0
        count = {}
        for i in range(len(nums)):
            if last not in count:
                count[last] = i
            last += nums[i]
            aim = last - k
            if aim in count:
                ans = max(ans, i - count[aim] + 1)
        return ans









