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POJ3181——DP(找钱3)——Dollar Dayz
DescriptionFarmer John goes to Dollar Days at The Cow Store and discovers an unlimited number of tools on sale. During his first visit, the tools are ...
分类:其他好文   时间:2015-04-29 19:41:54    阅读次数:123
NEWID 时间
CREATE OR REPLACE FUNCTION newid RETURN varchar2 ISO_ID NUMBER(30);V_RANDOM VARCHAR(10);V_TIME VARCHAR(25);BEGIN--取出2位随机数字SELECT TRUNC(DBMS_RANDOM.VAL...
分类:其他好文   时间:2015-04-29 16:44:43    阅读次数:100
LeetCode OJ Count Primes
Description: Count the number of prime numbers less than a non-negative number, n click to show more hints. Credits: Special thanks to @mithmatt for adding this problem and creating all te...
分类:其他好文   时间:2015-04-29 13:42:50    阅读次数:123
[case]filesystem problem
e2fsck 1.42 (29-Nov-2011)fsck.ext4: Superblock invalid, trying backup blocks...fsck.ext4: Bad magic number in super-block while trying to open /dev/sd...
分类:其他好文   时间:2015-04-29 13:20:49    阅读次数:145
Number of Islands
Given a 2d grid map of'1's (land) and'0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent ...
分类:其他好文   时间:2015-04-29 11:30:48    阅读次数:132
[LeetCode]Count Primes
Description: Count the number of prime numbers less than a non-negative number, n click to show more hints. References: How Many Primes Are There? Sieve of Eratosthenes Credits: Speci...
分类:其他好文   时间:2015-04-29 10:06:42    阅读次数:134
Java 哈希表运用-LeetCode 1 Two Sum
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
分类:编程语言   时间:2015-04-29 09:47:44    阅读次数:130
leetcode : Count Primes
Description: Count the number of prime numbers less than a non-negative number, n [思路] 素数不能被比它小的整数整除, 建一个boolean 数组, 从2开始, 把其倍数小于N的都删掉. 注意 inner loop从i开始, 比i小的会在以前就被check过. [CODE] pu...
分类:其他好文   时间:2015-04-29 08:43:31    阅读次数:95
PL/SQL-04
过程、函数与包过程、函数与包都属于PL/SQL语句块的命名块,过程和函数统称为子程序。过程和函数非常相似,具有如下特点:1、都具有名称,可以接收传入或者传出参数2、都具有声明部分,执行部分,异常处理部分3、在使用前会被编译并存储到数据库中4、函数和过程的最大区别在于..
分类:数据库   时间:2015-04-29 07:22:20    阅读次数:159
JavaScript之数据类型
数据类型 JavaScript中有5种简单数据类型(也称为基本数据类型):Undefined、Null、Boolean、Number和String。还有1种复杂数据类型——Object,Object本质上是由一组无序的名值对组成的。 typeof操作符 介于JavaScript是松散类型的,因此.....
分类:编程语言   时间:2015-04-29 00:22:21    阅读次数:298
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