The question ：
https://www.cnblogs.com/cjyyb/p/9065801.html
Answer key ：
[CF662C] Binary Table（FWT） More articles about
- 【CF662C】Binary Table（FWT）
[CF662C]Binary Table(FWT) Topic Luogu CF translate : There is one \(n*m\) Table for (\(n<=20,m<=10^5\)), There's one in each table \(0/1\), Every time ...
- Codeforces663E Binary Table（FWT）
subject Source http://codeforces.com/contest/663/problem/E Description You are given a table consisting o ...
- CF662C Binary Table （FWT Board questions ）
Reviewed one FWT, It's easy to find out ... There's no time to write , Just put on a blog :Great_Influence The blog of Pay attention to this sentence ans[i]=∑j⊗k=if[j]∗dp[k]ans[i]= ∑_{j⊗k=i} ...
- CF662C Binary Table【FWT】
CF662C Binary Table The question : Give a \(n\times m\) Of \(01\) matrix , You can reverse one row or one column at a time , After several reversals , At least how many \(1\) \(n\le 20, m\ ...
- CF662C Binary Table enumeration FWT
Topic Luogu topic ( Although Luogu has been a little slow lately ) Answer key It was observed that the data range of rows and columns varied widely , And there are only a few rows 20, Enumeration is fully supported , So we consider enumerating which rows flip . For the first i Column , We'll take what it represents 01 String extraction , Expressed as \( ...
- [CF662C Binary Table][ Pressure +FWT]
CF662C Binary Table Together FWT The board of - It's hard to think about it There is one \(n\) That's ok \(m\) List of tables , Every element is \(0/1\), Each operation can select a row or a column , hold \(0/1\) ...
- MySQL-- When mysqldump --single-transaction encounter alter table（1）
Part of the production environment uses mysqldump --single-transaction Backup the database at night , And my colleague happened to execute alter table operation , The operation partially succeeded and partially failed , Why? ? ##=== ...
- 【CF850E】Random Elections（FWT）
[CF850E]Random Elections(FWT) Topic Luogu CF Answer key Understand the problem is a problem ... Obviously three people are equivalent , So just think about one person winning the other two . So in the process of winning the other two ...
- 「WC2018」 State division （FWT）
「WC2018」 State division (FWT) I went to get an upgraded blog theme , It's much better than before . thank @Wider But if I have a reading mode, I don't know why \(\text{LATEX}\) Out-of-service , So I deleted this function . ...
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