Description：Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example, "A man, a plan, ...
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其他好文 时间：
2015-06-19 22:59:13
阅读次数：
165
Description：Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in whi...
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其他好文 时间：
2015-06-19 13:16:09
阅读次数：
91
描述：
Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionary words.
For example, given
s = “leetcode”,
dict = [“lee...
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其他好文 时间：
2015-06-19 11:57:35
阅读次数：
111
A message containing letters from A-Z is being encoded to numbers using the
following mapping:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Given an encoded message containing digits, determine the total nu...
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其他好文 时间：
2015-06-18 19:46:33
阅读次数：
98
题目
Determine whether an integer is a palindrome. Do this without extra space.
Some hints:
Could negative integers be palindromes? (ie, -1)
If you are thinking of converting the integer to...
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其他好文 时间：
2015-06-18 17:22:44
阅读次数：
87
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：
2015-06-17 23:18:38
阅读次数：
155
Word Break
Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionary words.
For example, given
s = "leetcode",...
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其他好文 时间：
2015-06-17 18:18:46
阅读次数：
132
题目链接 题目要求： Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any...
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移动开发 时间：
2015-06-17 15:17:10
阅读次数：
124
本文是在学习中的总结，欢迎转载但请注明出处：http://blog.csdn.net/pistolove/article/details/46530865
Given two strings s and t, determine if they are isomorphic.
Two strings are isomorphic if the characters in s can be replaced to get t.
All occurrences of a ch...
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其他好文 时间：
2015-06-17 11:35:30
阅读次数：
123
Given a stringsand a dictionary of wordsdict, determine ifscan be segmented into a space-separated sequence of one or more dictionary words.For exampl...
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其他好文 时间：
2015-06-16 10:36:34
阅读次数：
131
