LeetCode 129 | Sum Root to Leaf Numbers | Solution Explained (Java + Whiteboard)
YouTubeXavier Elon
LeetCode 129 | Sum Root to Leaf Numbers | Solution Explained (Java + Whiteboard)
Running Time: O(N) Space Complexity: O(H) Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1-2-3 which represents the number 123. Find the total sum of all root-to-leaf numbers. Always be pluggin: Slack Channel: https://join.slack.com/t/xavierelonleetcode ...
1.3K viewsNov 11, 2020
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