Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For e...
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其他好文 时间:
2014-08-17 15:31:52
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Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tree and sum ...
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2014-08-16 22:24:21
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Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
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2014-08-16 22:21:41
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Sum Root to Leaf NumbersGiven a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-l...
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2014-08-16 00:59:09
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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...
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2014-08-13 18:17:26
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Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tree andsum =...
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2014-08-13 14:39:26
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153
TreeYou are to determine the value of the leaf node in a given binary tree that is the terminal node of a path of least value from the root of the bi....
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2014-08-10 18:11:20
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#lang scheme
( define l ( list 1 2 3 4 ) )
( define l1 ( list 5 6 7 8 ) )
( define nil '() )
( define ( make-leaf symbol weight )
( list 'leaf symbol weight ) )
( define ( l...
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2014-08-09 02:39:06
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该题可以用DFS解决,在DFS时记录path,当到达leaf时将path所表示的数加到sum上。 1 class Solution { 2 public: 3 int sumNumbers(TreeNode *root) { 4 vector path; 5 ...
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2014-08-07 18:50:40
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问题:根节点到叶子结点的所有权值和分析:从根节点遍历,若遍历到叶子结点,则sum+其路径的所有权值和/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * Tree...
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其他好文 时间:
2014-08-06 21:59:32
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