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Codeforces Round #742 (Div. 2) AB
Balanced Substring You are given a string ss, consisting of nn letters, each letter is either ‘a’ or ‘b’. The letters in the string are numbered from 11 to nn. s[l;r]s[l;r] is a continuous substring of letters from index ll to rr of the string inc…
2021/9/24 23:15:27 人评论 次浏览 -
Codeforces Round #742 (Div. 2) AB
Balanced Substring You are given a string ss, consisting of nn letters, each letter is either ‘a’ or ‘b’. The letters in the string are numbered from 11 to nn. s[l;r]s[l;r] is a continuous substring of letters from index ll to rr of the string inc…
2021/9/24 23:15:27 人评论 次浏览 -
【DB笔试面试742】在Oracle中,cvuqdisk包的作用是什么?
♣ 题目 部分在Oracle中,cvuqdisk包的作用是什么? ♣ 答案部分 在安装RAC的过程中,如果没有安装cvuqdisk包,那么集群检验工具(Cluster Verification Utility,CVU)就不能发现共享磁盘。而且,如果没有安装该包或者安装的版本不对的话,那么当运行集群检验工具的…
2021/4/15 20:00:07 人评论 次浏览