New Distinct SubstringsTime Limit: 2000msMemory Limit: 262144KBThis problem will be judged onSPOJ. Original ID:SUBST164-bit integer IO format:%lld Jav...
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其他好文 时间:
2014-10-18 23:41:43
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283
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...
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其他好文 时间:
2014-10-18 07:32:25
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159
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...
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数据库 时间:
2014-10-17 23:26:29
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228
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...
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其他好文 时间:
2014-10-17 10:27:24
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293
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...
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其他好文 时间:
2014-10-15 19:24:01
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168
[leetcode]Given a string S and a string T, count the number of distinct subsequences of T in S....
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其他好文 时间:
2014-10-15 13:53:50
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147
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...
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其他好文 时间:
2014-10-13 23:41:27
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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
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其他好文 时间:
2014-10-13 20:19:57
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291
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...
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数据库 时间:
2014-10-13 18:34:11
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271
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...
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其他好文 时间:
2014-10-12 18:17:08
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242