Given a string S, find the longest palindromic
substring in S. You may assume that the maximum length of S is 1000, and there
exists one unique longes...
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其他好文 时间：
2014-05-24 04:45:39
阅读次数：
245
题目：Given a binary tree, determine if it is a valid
binary search tree (BST).Assume a BST is defined as follows:The left subtree of
a node contains onl...
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其他好文 时间：
2014-05-23 12:20:50
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407
【题目】
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order.
You may assume no duplicates in the array.
Here are few examples.
[1,3,5,6], 5 → 2
[1,3,5,6]...
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其他好文 时间：
2014-05-22 09:41:59
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195
【题目】
Write a program to solve a Sudoku puzzle by filling the empty cells.
Empty cells are indicated by the character '.'.
You may assume that there will be only one unique solution.
A sudoku puzzle...
...and its solution numbers marked in red.
...
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其他好文 时间：
2014-05-20 17:07:34
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335
Construct Binary Tree from Preorder and Inorder
TraversalGiven preorder and inorder traversal of a tree, construct the binary
tree.Note:You may assume...
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其他好文 时间：
2014-05-19 18:43:40
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177
Given a binary tree, determine if it is a valid
binary search tree (BST).Assume a BST is defined as follows:The left subtree of
a node contains only n...
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其他好文 时间：
2014-05-19 07:23:48
阅读次数：
357
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：
2014-05-18 19:39:55
阅读次数：
355
【题目】
Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution.
For example, given array S = {...
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其他好文 时间：
2014-05-18 10:37:57
阅读次数：
269
3SumClosest
Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution....
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其他好文 时间：
2014-05-18 05:57:48
阅读次数：
244
【题目】
原文：
1.8 Assume you have a method isSubstring which checks if one word is a substring of another. Given two strings, s1 and s2, write code to check if s2 is a rotation of s1 using only one...
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其他好文 时间：
2014-05-16 01:50:08
阅读次数：
311
