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SPOJ 705 New Distinct Substrings
New Distinct SubstringsTime Limit: 2000msMemory Limit: 262144KBThis problem will be judged onSPOJ. Original ID:SUBST164-bit integer IO format:%lld Jav...
分类:其他好文   时间:2014-10-18 23:41:43    阅读次数:283
[Leetcode] N-Queens II
Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.Solution:N-Queens 问题的简化版。pu...
分类:其他好文   时间:2014-10-18 07:32:25    阅读次数:159
SQL操作语句中的注意点
一 查询语句 1 distinct关键字消除重复行 当查询的结果数据中出现重复数据时,在查询条件中加上distinct关键字消除重复行; 如:select distinct Sno from SC; 2 like匹配的通配符%和_ % :代表任意长度(包括0)的字符串,例如:like'a%b',表示以a开头,以b结尾的任意长度的字符串; _ :代表任意单个字符,注意数据库的字符集为AS...
分类:数据库   时间:2014-10-17 23:26:29    阅读次数:228
LeetCode-Subsets ZZ
LeetCode:SubsetsGiven a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution...
分类:其他好文   时间:2014-10-17 10:27:24    阅读次数:293
【LeetCode】Climbing Stairs (2 solutions)
Climbing StairsYou 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 way...
分类:其他好文   时间:2014-10-15 19:24:01    阅读次数:168
Distinct Subsequences
[leetcode]Given a string S and a string T, count the number of distinct subsequences of T in S....
分类:其他好文   时间:2014-10-15 13:53:50    阅读次数:147
leetcode - Climbing Stairs
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? //第一种解法 class Solution { pub...
分类:其他好文   时间:2014-10-13 23:41:27    阅读次数:393
对于List的All,Any,Where,FirstOrDefault,Average,Sum,Distinct,Union,AddRange,RemoveRange,InsertRange,GetRange操作
对于List的All,Any,Where,FirstOrDefault,Average,Sum,Distinct,Union,AddRange,RemoveRange,InsertRange,GetRange操作
分类:其他好文   时间:2014-10-13 20:19:57    阅读次数:291
mysql查询所有记录,并去掉重复的记录
distinct(str)函数是用来去掉重复记录的,但是它只是针对某一个字段可以去重复。例如:select distinct(name)from tablename; 但是如果想把其他字段值的记录也查询出来,我一开始想的是使用select distinct(name) ,ta.* from tabl...
分类:数据库   时间:2014-10-13 18:34:11    阅读次数:271
leetcode - Subsets
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 must not contain duplicate subsets. For exa...
分类:其他好文   时间:2014-10-12 18:17:08    阅读次数:242
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