#3667

ORA-23667: Column “string” already used by conflict handler “string”

文档解释ORA-23667:Column“string”alreadyusedbyconflicthandler“string”Cause:Thecolumnwasalreadyinthecolumngroupofanotherconflicthandlerforthes...

MySQL Error number: 3667; Symbol: ER_TF_MUST_HAVE_ALIAS; SQLSTATE: 42000

文档解释Errornumber:3667;Symbol:ER_TF_MUST_HAVE_ALIAS;SQLSTATE:42000Message:Everytablefunctionmusthaveanalias错误说明:ER_TF_MUST_HAVE_ALIAS是MySQL中定义的一个错误号,它表明用户试图在一条SQL...
IT技术学习 ·2023-07-03

MySQL Error number: MY-013667; Symbol: ER_ERROR_LOG_DESTINATION_NOT_A_FILE; SQLSTATE: HY000

文档解释Errornumber:MY-013667;Symbol:ER_ERROR_LOG_DESTINATION_NOT_A_FILE;SQLSTATE:HY000Message:Error-logdestination“%s”isnotafile.Cannotrestoreerrorlogm...

POJ 3667 Hotel

题目大意:1a:询问是不是有连续长度为a的空房间,有的话住进最左边2ab:将[a,a+b-1]的房间清空思路:线段树的区间合并。用cov记录区段的状态,-1代表没有被更新,0代表空闲,1代表是有人入住的。用lmax代表从左端点开始最长的空闲区间,rmax代表从右开始最长的区间。tree代表自己这个区间内拥有的最大区间。...
代码星球 ·2020-08-09