A - Relations Time Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice URAL 1142 Description Background Consider a specific set of comparable objects. Between two objects a and b, there exits one of the foll…

1142. Relations Time limit: 1.0 secondMemory limit: 64 MB Background Consider a specific set of comparable objects. Between two objects a and b, there exits one of the following three classified relations: a = ba < bb < a Because relation '=' is sym…

POJ 上的一套水题,哈哈~~~,最后一题很恶心,不想写了~~~ Rope Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7410   Accepted: 2603 Description Plotters have barberically hammered N nails into an innocent plane shape, so that one can see now only heads. Moreove…

AutoMySQLBackup备份时,出现mysqldump: Got error: 1142: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'accounts' when using LOCK TABLES错误,具体内容如下所示 [root@DB-Server ~]# /usr/bin/automysqlbackup /etc/automysqlbackup/myserver.conf Pars…

Problem A sequence is an ordered collection of objects (usually numbers), which are allowed to repeat. Sequences can be finite or infinite. Two examples are the finite sequence (π,−2–√,0,π)(π,−2,0,π) and the infinite sequence of odd numbers (1,3,5,7,…

1142: [POI2009]Tab Time Limit: 40 Sec  Memory Limit: 162 MBSubmit: 213  Solved: 80[Submit][Status][Discuss] Description 2个n*m矩阵,保证同一个矩阵中元素两两不同.问能否通过若干次交换两行或交换两列把第一个矩阵变成第二个. Input 第一行正整数 T (1≤T≤10) 表示数据组数. 每组数据包括:第一行n m (1≤n,m≤1000) 2个n行m列的整数矩阵,元素绝对值均…

题目链接 题意:求给定的字符串的最长回文子串 分析:做法是构造一个新的字符串是原字符串+反转后的原字符串(这样方便求两边回文的后缀的最长前缀),即newS = S + '$' + revS,枚举回文串中心位置,RMQ询问LCP = min (height[rank[l]+1] to height[rank[r]]),注意的是RMQ传入参数最好是后缀的位置,因为它们在树上的顺序未知,且左边还要+1. #include <cstdio> #include <algorithm> #in…

2071. Juice Cocktails Time limit: 1.0 secondMemory limit: 64 MB Once n Denchiks come to the bar and each orders a juice cocktail. It could be from 1 to 3 different juices in each cocktail. There are three juices in the bar: apple, banana and pineappl…

2073. Log Files Time limit: 1.0 secondMemory limit: 64 MB Nikolay has decided to become the best programmer in the world! Now he regularly takes part in various programming contests, attentively listens to problems analysis and upsolves problems. But…

2070. Interesting Numbers Time limit: 2.0 secondMemory limit: 64 MB Nikolay and Asya investigate integers together in their spare time. Nikolay thinks an integer is interesting if it is a prime number. However, Asya thinks an integer is interesting i…