原文:[LeetCode] Sum Root to Leaf Numbers 求根到葉節點數字之和

Given a binary tree containing digits from only, each root to leaf path could represent a number. An example is the root to leaf path gt gt which represents the number . Find the total sum of all roo ...

2015-02-05 00:14 3 6788 推薦指數:

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Sum Root to Leaf Numbers leetcode java

題目: 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-> ...

Fri Aug 01 14:08:00 CST 2014 2 1766
[LeetCode] Sum of Left Leaves 左子葉之和

之和,那么我們在進入遞歸函數的時候需要知道當前結點是否是左子節點,如果是左子節點,而且該左子節點再沒有子 ...

Fri Sep 30 21:40:00 CST 2016 1 7986
LeetCode 15. 三數之和(3Sum

題目描述 給定一個包含 n 個整數的數組 nums,判斷 nums 中是否存在三個元素 a,b,c ,使得 a + b + c = 0 ?找出所有滿足條件且不重復的三元組。 注 ...

Fri May 04 19:25:00 CST 2018 1 7433
[LeetCode] Map Sum Pairs 映射配對之和

Implement a MapSum class with insert, and sum methods. For the method insert, you'll be given a pair of (string, integer). The string ...

Sun Oct 01 07:54:00 CST 2017 3 2781
 
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