#1328

MySQL Error number: MY-013288; Symbol: ER_SERVER_RPL_ENCRYPTION_UNABLE_TO_INITIALIZE; SQLSTATE: HY000

文档解释Errornumber:MY-013288;Symbol:ER_SERVER_RPL_ENCRYPTION_UNABLE_TO_INITIALIZE;SQLSTATE:HY000Message:Failedtoinitializebinlogencryption,pleasecheckifkeyringislo...

MySQL Error number: MY-013281; Symbol: ER_SERVER_RPL_ENCRYPTION_HEADER_ERROR; SQLSTATE: HY000

文档解释Errornumber:MY-013281;Symbol:ER_SERVER_RPL_ENCRYPTION_HEADER_ERROR;SQLSTATE:HY000Message:Errorreadingareplicationlogencryptionheader:%s.错误说明:MY-013281ER_SER...

poj 1328 Radar Installation 贪心

题意:给出岛屿个数n和地雷的范围c,然后再给出n个岛屿的xy坐标,在x轴上放置地雷,求出能覆盖所有岛屿的地雷最小数    否则输出-1 思路:1、一开始,我第一个想法就是对岛屿进行排序,x从小到大,接着在x轴上放置地雷,尽可能靠右边并且能够覆盖左边的岛屿    ,接着筛选右边同时也处于该地雷之内的岛屿,再不断...
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