Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For exa...
                            
                            
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其他好文   时间:
2014-11-02 07:04:55   
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202
                             
                    
                        
                            
                            
                                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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其他好文   时间:
2014-10-28 07:02:27   
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171
                             
                    
                        
                            
                            
                                问题描述:
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 example:
Given binary tree {3,9,20,#,#,...
                            
                            
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其他好文   时间:
2014-10-27 21:21:00   
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190
                             
                    
                        
                            
                            
                                Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which rep...
                            
                            
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编程语言   时间:
2014-10-27 08:10:18   
                                阅读次数:
196
                             
                    
                        
                            
                            
                                问题描述:
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 = 22,
              5
             /...
                            
                            
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其他好文   时间:
2014-10-26 14:24:00   
                                阅读次数:
224
                             
                    
                        
                            
                            
                                问题描述:
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.
For example:
Given the below binary tree...
                            
                            
                                分类:
其他好文   时间:
2014-10-26 13:11:29   
                                阅读次数:
177
                             
                    
                        
                            
                            
                                Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For exa...
                            
                            
                                分类:
其他好文   时间:
2014-10-26 06:47:17   
                                阅读次数:
187
                             
                    
                        
                            
                            
                                题目
    Given a binary tree, find its maximum depth.
    The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node....
                            
                            
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其他好文   时间:
2014-10-25 18:50:01   
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137
                             
                    
                        
                            
                            
                                题目描述:
Given a binary tree, find its maximum depth.
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
解题思路:直接DFS。
代码:
/**...
                            
                            
                                分类:
其他好文   时间:
2014-10-24 13:04:21   
                                阅读次数:
147
                             
                    
                        
                            
                            
                                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 =...
                            
                            
                                分类:
其他好文   时间:
2014-10-22 07:36:22   
                                阅读次数:
218