摘要: 题目描述: 方法一:动态规划 O(n) class Solution: def constrainedSubsetSum(self, nums, k: int): dp = [0]*len(nums) dp[0] = nums[0] arr = [(nums[0],0)] for i in rang 阅读全文
posted @ 2020-04-26 17:55 oldby 阅读(128) 评论(0) 推荐(0) 编辑
摘要: 题目描述: 提交: class Solution: def pathSum(self, root: TreeNode, sum: int) -> List[List[int]]: def helper(num,node,temp): if node.left: helper(num+node.lef 阅读全文
posted @ 2020-04-26 09:36 oldby 阅读(135) 评论(0) 推荐(0) 编辑