Given an array of integers, every element appears
three times except for one. Find that single one. Note: Your algorithm should
have a linear runtime ...
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其他好文 时间：
2014-05-27 00:10:26
阅读次数：
319
Given an array of integers, every element
appears twice except for one. Find that single one. Note: Your algorithm should
have a linear runtime comple...
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其他好文 时间：
2014-05-23 07:22:48
阅读次数：
241
题目说：Try to do this in one pass
只用一遍遍历的话，p1先走n节点，p2再走，等到p1到达链表尾的时候p2正好在倒数第n+1个上面鸟
/**
* Definition for singly-linked list.
* struct ListNode {
* int val;
* ListNode *next;
* ListNode...
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其他好文 时间：
2014-05-23 01:52:29
阅读次数：
331
Given an array of integers, every element
appearstwiceexcept for one. Find that single one.Note:Your algorithm should have
a linear runtime complexity...
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其他好文 时间：
2014-05-22 16:31:03
阅读次数：
194
nl2br() 函数在字符串中的每个新行 (\n) 之前插入 HTML 换行符 ()。例子输出：One
line.Another line.
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其他好文 时间：
2014-05-22 15:30:53
阅读次数：
169
Reverse a linked list from positionmton. Do it
in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m=
2 andn= 4,return1->4->3->2->5->NULL.No...
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其他好文 时间：
2014-05-21 19:08:08
阅读次数：
195
【题目】
The count-and-say sequence is the sequence of integers beginning as follows:
1, 11, 21, 1211, 111221, ...
1 is read off as "one 1" or 11.
11 is read off as "two 1s" or 21.
21 is read off as "one 2, then one 1" or 1211.
Given an integer n, generate...
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其他好文 时间：
2014-05-21 15:20:07
阅读次数：
213
最近闲来无事写了一个统计C或者C++代码行数的程序，主要用到了python以及正则表达式
#-*-coding:utf-8
#!/usr/bin/python
import re
import os
import sys
'''get the file or dir in one path'''
def getfilename(path):
if os.path.exi...
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编程语言 时间：
2014-05-21 15:06:30
阅读次数：
379
Problem Description
A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edges between nodes satisfying the follow...
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其他好文 时间：
2014-05-21 10:55:57
阅读次数：
325
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, n satisfy the fol...
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其他好文 时间：
2014-05-21 07:18:02
阅读次数：
301
