题目
Reverse a linked list from position m to n. Do it in-place and in one-pass.
For example:
Given 1->2->3->4->5->NULL, m = 2 and n =
4,
return 1->4->3->2->5->NULL.
Note:
Given m,...
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其他好文 时间：
2014-06-11 06:07:11
阅读次数：
392
题目
Given a sorted linked list, delete all duplicates such that each element appear only once.
For example,
Given 1->1->2, return 1->2.
Given 1->1->2->3->3, return 1->2->3.
方法
遍...
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其他好文 时间：
2014-06-11 00:41:44
阅读次数：
207
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,
"A man, a plan, a canal: Panama" is
a palindrome.
"race a car" is no...
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其他好文 时间：
2014-06-10 18:36:29
阅读次数：
193
题目
Given two binary strings, return their sum (also a binary string).
For example,
a = "11"
b = "1"
Return "100".
方法
从后往前，每个字符进行判断。
public String addBinary(String a, String...
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其他好文 时间：
2014-06-10 17:50:48
阅读次数：
241
Given a binary tree, check whether it is a
mirror of itself (ie, symmetric around its center).For example, this binary tree
is symmetric: 1 / \ ...
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其他好文 时间：
2014-06-10 11:51:42
阅读次数：
213
Given an input string, reverse the string word by word.
For example,
Given s = "the sky is blue",
return "blue is sky the".
Clarification:
What constitutes a word?
A sequence of non-space ch...
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其他好文 时间：
2014-06-10 11:12:06
阅读次数：
185
1、
package com.example.myreceiver;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.content.IntentFilter;
import android.view.Menu;
import android...
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移动开发 时间：
2014-06-10 11:10:49
阅读次数：
275
Binary Tree Maximum Path SumGiven a binary
tree, find the maximum path sum.The path may start and end at any node in the
tree.For example:Given the be...
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其他好文 时间：
2014-06-10 10:42:58
阅读次数：
203
Given an unsorted integer array, find the first missing positive integer.
For example,
Given [1,2,0] return 3,
and [3,4,-1,1] return 2.
Your algorithm should run in O(n) time and uses constant...
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其他好文 时间：
2014-06-10 07:42:16
阅读次数：
244
问题描述：
A permutation is an ordered arrangement of objects. For example, 3124 is one possible permutation of the digits 1, 2, 3 and 4. If all of the permutations are listed numerically or alphabeti...
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其他好文 时间：
2014-06-10 06:13:21
阅读次数：
299
