title:
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
What is the smallest positive number that is
evenly divisible by all of the nu...
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其他好文 时间:
2014-06-07 01:27:37
阅读次数:
229
As an umbrella holder that allows you to create
a better child to keep them in your arms for comfort and safety without having
to hold an umbrella in ...
分类:
数据库 时间:
2014-06-03 08:08:02
阅读次数:
478
Given a singly linked list
L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2,3,4}, r...
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其他好文 时间:
2014-06-03 03:12:46
阅读次数:
222
【题目】原文:1.3 Design an algorithm and write code
to remove the duplicate characters in a string without using any additional
buffer. NOTE: One or two add...
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其他好文 时间:
2014-06-02 21:32:04
阅读次数:
284
Given a linked list, determine if it has a
cycle in it.Follow up:Can you solve it without using extra
space?求链表是否有环的问题,要考虑链表为空的情况,定义一个快指针和一个慢指针,如果快指针和...
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其他好文 时间:
2014-06-02 08:05:16
阅读次数:
255
Given a linked list, return the node where the
cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it
without using extra space?借用博...
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其他好文 时间:
2014-06-02 07:32:33
阅读次数:
291
Divide two integers without using multiplication, division and mod operator.
不使用乘法、除法和求模运算求两个数相除。...
分类:
其他好文 时间:
2014-06-01 18:16:23
阅读次数:
311
题目:
给定一个字符串,返回该串没有重复字符的最长子串。
分析:
1)子串:子串要求是连续的。
2)无重复,出现重复就断了,必须从新的位置开始。而新的位置就是重复字符第一次出现位置的下一个位置。
3)整个串可能没有一处重复。
那么,为了找出当前访问的字符是否出现过,要怎么做呢?当然是hash,O(1)的时间,而且既然是字符, 定义个255的hash table 就可以了,has...
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其他好文 时间:
2014-06-01 10:48:31
阅读次数:
206
Given a string, find the length of the longest
substring without repeating characters. For example, the longest substring
without repeating letters fo...
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其他好文 时间:
2014-05-30 23:46:09
阅读次数:
453
Given a linked list, return the node where the
cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it
without using extra space?/**...
分类:
其他好文 时间:
2014-05-30 15:59:56
阅读次数:
249