Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.
For example,
Given 1->2->3->3->4->4->5, return 1->2->5.
Given 1->1-...
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其他好文 时间：
2014-06-22 22:57:49
阅读次数：
347
3D dungeon
时间限制：1000 ms | 内存限制：65535 KB
难度：2
描述You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not
be fil...
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其他好文 时间：
2014-06-22 22:13:18
阅读次数：
223
Given an index k, return the
kth row of the Pascal's triangle.
For example, given k = 3,
Return [1,3,3,1].
Note:
Could you optimize your algorithm to use only
O(k) extra space?
...
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其他好文 时间：
2014-06-22 21:31:26
阅读次数：
214
介绍
晚上无聊的时候，我做了一个测试题，测试题的大体意思是：删除Map中Value重复的记录，并且只保留Key最小的那条记录。
例如：
I have a map with duplicate values:
("A", "1");
("B", "2");
("C", "2");
("D", "3");
("E", "3");
I would like to the map to have:
("A", "1");
("B", "2");
...
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其他好文 时间：
2014-06-22 20:30:10
阅读次数：
175
Given a triangle, find the minimum path sum from top to bottom. Each step you may
move to adjacent numbers on the row below.
For example, given the following triangle
[
[2],...
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其他好文 时间：
2014-06-22 17:07:52
阅读次数：
166
Ultra-QuickSort
Time Limit: 7000MS
Memory Limit: 65536K
Total Submissions: 39279
Accepted: 14163
Description
In this problem, you have to analyze a particular sorting...
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其他好文 时间：
2014-06-22 15:38:06
阅读次数：
168
Description
Let S = s1 s2...s2n be a well-formed string of parentheses. S can be encoded in two different ways:
q By an integer sequence P = p1 p2...pn where pi is the number of left parentheses...
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其他好文 时间：
2014-06-22 14:06:49
阅读次数：
249
Given two binary strings, return their sum (also a binary string).
For example,
a = "11"
b = "1"
Return "100".
求数字字符串的二进制和。同之前的数组代表数字，两个数组相加一样，只不过进位变成了2.可能两个串的长度不一样，故逆转，从左到右加下去，最后再逆转。
publi...
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其他好文 时间：
2014-06-21 20:11:21
阅读次数：
344
Is it a dream that you can access text files using SQL statements？
But now, it is true that DB Query Analyzer provides you a power tool which can help you realize the dream above. I’ll give you a sample to show its powerful function. What’s more, the p...
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数据库 时间：
2014-06-21 18:41:54
阅读次数：
510
1. Introduction Mutual SSL authentication or certificate based mutual authentication refers to two parties authenticating each other through verifying...
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其他好文 时间：
2014-06-21 14:38:35
阅读次数：
436
