375. Query on a tree
Problem code: QTREE
You are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1.
We will ask you to perfrom ...
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其他好文 时间:
2014-09-16 16:00:20
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312
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and ...
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2014-09-16 15:32:10
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243
Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your algor...
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2014-09-16 13:57:50
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163
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 le...
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2014-09-16 00:15:49
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196
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.思路:增加一个头指...
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其他好文 时间:
2014-09-15 22:38:49
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217
Clone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.OJ's undirected graph serialization:Nodes are labeled uniq...
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其他好文 时间:
2014-09-15 21:09:39
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216
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:
2014-09-15 14:13:38
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153
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree {3,...
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其他好文 时间:
2014-09-15 14:07:38
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175
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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其他好文 时间:
2014-09-15 12:41:48
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133
Given a binary tree, return the inorder traversal of its nodes' values.For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,3,2]....
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其他好文 时间:
2014-09-15 09:54:08
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135