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【LeetCode】Algorithms 题集(三)
Search Insert Position意:Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be i...
分类:其他好文   时间:2015-07-26 17:05:12    阅读次数:169
远程链接mysql error 2003
进入mysqlmysql>use mysql;mysql>update user set host = '%' where user = 'root';mysql>flush privileges;mysql>select host, user from user;修改/etc/mysql/my.c...
分类:数据库   时间:2015-07-26 15:29:03    阅读次数:132
Problem A CodeForces 560A
DescriptionA magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the sys...
分类:其他好文   时间:2015-07-25 21:20:20    阅读次数:132
Combination Sum
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. The same repeated number may be chosen from C unlimited numb...
分类:其他好文   时间:2015-07-25 20:00:54    阅读次数:138
Currency System in Geraldion
standard outputA magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the...
分类:其他好文   时间:2015-07-25 19:45:58    阅读次数:111
数据库中的左连接(left join)和右连接(right join)区别
Left Join / Right Join /inner join相关关于左连接和右连接总结性的一句话:左连接where只影向右表,右连接where只影响左表。Left Joinselect * from tbl1 Left Join tbl2 where tbl1.ID = tbl2.ID左连接...
分类:数据库   时间:2015-07-25 19:43:47    阅读次数:106
Product of Array Except Self
Given an array of n integers where n > 1, nums, return an array output such thatoutput[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(...
分类:其他好文   时间:2015-07-25 18:34:44    阅读次数:131
数据库语句
1.数据库查询是最主要功能之一:索引是数据库表中一个货多个列的值进行排序的结构。2.简单的查询:包括选择列表,from子句和where子句,他们分别说明所查询列,查询的表或者视图以及搜索条件等。A.选择列表指出所查询列(select_List),可谓列表列名,星号,表达式,变量(包括局部变量和全局变...
分类:数据库   时间:2015-07-25 18:23:21    阅读次数:152
Currency System in Geraldion (Codeforces 560A)
A Currency System in GeraldionTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescriptionA magic island Geraldion, where Gerald li....
分类:其他好文   时间:2015-07-25 16:43:25    阅读次数:123
Codeforces Round #313 A Currency System in Geraldion
A Currency System in GeraldionTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescriptionA magic island Geraldion, where Ger...
分类:其他好文   时间:2015-07-25 15:11:39    阅读次数:104
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