[LeetCode] Sum of Left Leaves 左子葉之和
Find the sum of all left leaves in a given binary tree. Example: 這道題讓我們求一棵二叉樹的所有左子葉的和，那么看到這道題我們知道這肯定是考二叉樹的遍歷問題，那么最簡潔的寫法肯定是用遞歸，由於我們只需要累加左子葉 ...
原文：【leetcode】1302. Deepest Leaves Sum
題目如下： Given a binary tree, return the sum of values of its deepest leaves. Example : Constraints: The number of nodes in the tree is between and . The value of nodes is between and . 解題思路：我的方法是做兩次遍歷，第 ...
2019-12-29 08:58 0 224 推薦指數：
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