文章分类 -  算法

数据库的学习
摘要：1.SQL语言的几个要点http://baike.baidu.com/link?url=5BKRHP_G4m9rm4-kI3OOu9FmUA1pFFHcPPWXSAboSN6Ih825MCgtougU41lFEM8fJEYaTcdKkZMH3kk58Q_sw31ng7nz0fW6isEWkwvtE6... 阅读全文
posted @ 2015-11-30 15:12 forwardslash
PATRICA TRIE
摘要：http://www.cnblogs.com/baiboy/p/tjx2.htmlhttp://blog.csdn.net/ljsspace/article/details/6571414http://zhidao.baidu.com/link?url=3shJsffyshZSgEtGW7IH555... 阅读全文
posted @ 2015-10-09 09:38 forwardslash
编程大赛-7
摘要：Problem 19: subnon-overlapping substringsFor a given integerkand a stringSconsisting of lower lettersa..z, find the longest substringsthat has at leas... 阅读全文
posted @ 2015-09-24 14:53 forwardslash 阅读(68) 评论(0) 推荐(0)
编程大赛-6
摘要：Problem 16: bitBitmapFor a given bitmapn×n,find an area of the maximum rectangular with the same number of 0s and 1s in it.Input: (standard input)+Lin... 阅读全文
posted @ 2015-09-24 14:52 forwardslash 阅读(68) 评论(0) 推荐(0)
编程大赛-5
摘要：Problem 13: rtRoutersWe havenrouters (enumerated from 0 ton- 1). Each router (except for 0 which is also a gateway) sends all data packets it receives... 阅读全文
posted @ 2015-09-24 14:51 forwardslash 阅读(77) 评论(0) 推荐(0)
编程大赛-4
摘要：Problem 10: oslOSLAfter invokingapplstartcommand,noslprocesses are going to be started. Each process requires certain amount of CPU time units to be s... 阅读全文
posted @ 2015-09-24 14:49 forwardslash 阅读(78) 评论(0) 推荐(0)
编程大赛-3
摘要：Problem 7: cheCHEThere is some money put on some squares of a large rectangular chessboard. You must find how much money you can pick up while going f... 阅读全文
posted @ 2015-09-24 14:48 forwardslash 阅读(80) 评论(0) 推荐(0)
编程大赛-2
摘要：Problem 4: manManagement (man)There arenboxes sequentially arranged in a row, 0 <n< 200000.Our management has put some money into each box. You have b... 阅读全文
posted @ 2015-09-24 14:47 forwardslash 阅读(72) 评论(0) 推荐(0)
编程大赛-1
摘要：Problem 1: eleElectrons (ele)Electrons are moving around in orbits whose radiuses are in the scope of positive integer. Two electrons moving in the sa... 阅读全文
posted @ 2015-09-24 14:46 forwardslash 阅读(82) 评论(0) 推荐(0)
（转载）3个著名加密算法(MD5、RSA、DES)的解析
摘要：http://www.iplaysoft.com/encrypt-arithmetic.html 阅读全文
posted @ 2015-09-08 23:57 forwardslash
加密算法--AES
摘要：又称Rijndael加密法，用来替代原先的DES算法advanced encryption standard算法的原型是Square算法，设计策略是宽轨迹策略wide trail strategy满足以下3个标准：1. 抵抗所有已知的攻击2. 在多个平台上速度快，编码紧凑3. 设计简单当前的大多数分... 阅读全文
posted @ 2015-09-07 14:43 forwardslash