Given a set of distinct integers,S, return all
possible subsets.Note: Elements in a subset must be in non-descending order. The
solution set m...
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其他好文 时间:
2014-06-04 20:01:32
阅读次数:
340
You are climbing a stair case. It takesnsteps
to reach to the top.Each time you can either climb 1 or 2 steps. In how many
distinct ways can you climb...
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其他好文 时间:
2014-06-04 19:53:34
阅读次数:
173
DescriptionYou have an
arraya[1],?a[2],?...,?a[n], containing distinct integers from1ton. Your task is
to sort this array in increasing order with the...
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其他好文 时间:
2014-05-31 01:35:23
阅读次数:
318
Given a stringSand a stringT, count the number
of distinct subsequences ofTinS.A subsequence of a string is a new string which
is formed from the orig...
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其他好文 时间:
2014-05-30 15:58:40
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187
DescriptionAn ascending sorted sequence of
distinct values is one in which some form of a less-than operator is used to
order the elements from smalle...
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其他好文 时间:
2014-05-30 14:31:10
阅读次数:
297
本文希望通过简单的总结,把常用的查询方法予以总结,希望能够明确在心主要涵盖:模糊查询、排序、分组、集合函数、TOP、Case包括:Between、In、Like、And、Or、Order
by包括:Group by、Distinct、MAX\MIN、Avg、Count、Sum、Having、Top、...
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数据库 时间:
2014-05-29 23:13:46
阅读次数:
456
其实这个题我还不会,学长给了一个代码交上去过了,据说用到了一种叫做位压缩的技术,先贴代码吧,以后看懂了再来写#include
#include #define M 30005#define SIZE 128#define WORDMAX 3200#define BIT 32char
s1[M], s...
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其他好文 时间:
2014-05-29 18:07:53
阅读次数:
549
转自芙蓉清秀的BLOGhttp://blog.sina.com.cn/liurongxiu1211sql去除重复语句(2012-06-15
15:00:01)sql 单表/多表查询去除重复记录单表distinct多表group bygroup by 必须放在 order by 和
limit之前,不...
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数据库 时间:
2014-05-28 04:00:47
阅读次数:
280
题目
You are climbing a stair case. It takes n steps to reach to the top.
Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?
解答...
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其他好文 时间:
2014-05-25 00:37:34
阅读次数:
284
【题目】
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other.
Given an integer n, return all distinct solutions to the n-queens puzzle.
Each solution contains a distinct board configuratio...
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其他好文 时间:
2014-05-24 17:12:32
阅读次数:
237