比赛链接:http://codeforces.com/contest/519 这场的题目实在有点水。。。前三题直接贴代码了 A. A and B and Chess time limit per test:1 second memory limit per test:256 megabytes A and B are preparing thems
URL:https://atcoder.jp/contests/abc294 目录 E Problem/题意 Thought/思路 Code/代码 E Problem/题意 我们将其当作一个铺路的过程。 给总长度 L,计划 1 有 N 步,计划 2 有 M 步,每一步给出(v,l),意为在接下来的 l 长度中,每一单位的值都为 v。 问这两个计划,有多少个单位的值是
QUESTION 160 Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature? A. Segment Advisor B. SQL Access Advisor