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Python集合(set)类型的操作
http://blog.csdn.net/business122/article/details/7541486python的set和其他语言类似,是一个无序不重复元素集,基本功能包括关系测试和消 除重复元素.集合对象还支持union(联合),intersection(交),difference(差...
分类:编程语言   时间:2014-07-19 19:12:50    阅读次数:323
Mysql re-set password, mysql set encode utf8 mysql重置密码,mysql设置存储编码格式
There is a link about how to re-set password.http://database.51cto.com/art/201010/229528.htmwords in short,two lines mysql> UPDATE mysql.user SET p...
分类:数据库   时间:2014-07-19 19:12:31    阅读次数:410
题目1001:A+B for Matrices
题目描述: This time, you are supposed to find A+B where A and B are two matrices, and then count the number of zero rows and columns.输入: The input consist...
分类:其他好文   时间:2014-07-18 18:26:02    阅读次数:227
poj3468 A Simple Problem with Integers
DescriptionYou haveNintegers,A1,A2, ... ,AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each ...
分类:其他好文   时间:2014-07-18 18:22:11    阅读次数:263
C# ValueTypes
【C# ValueTypes】1、哪些类型是ValueType?The value types consist of two main categories:StructsEnumerationsStructs fall into these categories:Numeric typesInte...
分类:其他好文   时间:2014-07-18 18:18:20    阅读次数:217
POJ2406 Power Strings 【KMP】
Power Strings Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 31388   Accepted: 13074 Description Given two strings a and b we define a*b to be their conca...
分类:其他好文   时间:2014-07-18 18:15:31    阅读次数:252
【leetcode刷题笔记】N-Queens
Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all distinc...
分类:其他好文   时间:2014-07-18 15:07:26    阅读次数:223
LeetCode "Reorder List"
Not very hard to figure out the solution: splitting the list into 2 halves; reverse the 2nd half and interleave the two halves.But it takes some time ...
分类:其他好文   时间:2014-07-18 14:35:09    阅读次数:214
CodeForces 425C Sereja and Two Sequences
题意: 两组数字a和b 如果a[i]等于b[j] 则可将a[i]和b[j]前所有数字删掉 这种操作花费e体力 得到1元钱 或者一次删掉所有数字 这种操作花费等于曾经删除的所有数字个数 做完后得到所有钱 问 一共s体力 可以得到多少钱 思路: dp+二分 由数据可知最多拿到300元钱 因此可以定义 dp[i][j]表示有i元钱时 b串删除到了j处时 a串删到的位置 状态转移为 dp[i][j] = lower_bound ( a[j] , dp[i-1][j-1] + 1 ) 意思...
分类:其他好文   时间:2014-07-18 13:27:50    阅读次数:212
Codeforces Round #256 (Div. 2) B
B. Suffix Structures Bizon the Champion isn't just a bison. He also is a favorite of the "Bizons" team. At a competition the "Bizons" got the following problem: "You are given two distinct w...
分类:其他好文   时间:2014-07-18 11:15:25    阅读次数:252
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