Description Katu Puzzle is presented as a directed graph G(V, E) with each edge e(a, b) labeled by a boolean operator op (one of AND, OR, XOR) and an integer c (0 ≤ c ≤ 1). One Katu is solvable if one can find each vertex Vi a value Xi (0 ≤ Xi ≤ 1) s…
A. Down the Hatch! time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Everybody knows that the Berland citizens are keen on health, especially students. Berland students are so tough that all…
1:数据安装操作练习:考试题目 1: Creating a database & Server Configuration --[101]-- #创建数据库 1. Create the database #使用dbca创建一个PROD1数据库,包括Sample Schema,启用archivelog,没有EM. 1.1 Create a PROD1 database with dbca, including Sample Schema, enable archivelog, without EM…