Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.方法一：最先想到的就是递归，注...
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其他好文 时间：
2014-07-10 09:58:40
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224
Given inorder and postorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.方法：在inorder中寻找...
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其他好文 时间：
2014-07-07 23:18:53
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283
Problem Description:Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below bina...
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其他好文 时间：
2014-07-07 15:57:05
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252
Problem Description:Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For ex...
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其他好文 时间：
2014-07-07 15:29:11
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280
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
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其他好文 时间：
2014-06-30 23:46:14
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288
Problem Description:Evaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integ...
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其他好文 时间：
2014-06-30 14:32:54
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151
Longest Palindromic SubstringGiven a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there...
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其他好文 时间：
2014-06-30 13:21:00
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202
题目
The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows
like this: (you may want to display this pattern in a fixed font for better legibility)
P A H N
A...
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其他好文 时间：
2014-06-30 00:07:36
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268
题目
Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.
Below is one possible representation of s1 = "great":
great
/...
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其他好文 时间：
2014-06-29 23:16:19
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312
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
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其他好文 时间：
2014-06-29 20:28:58
阅读次数：
183
