Codeforces Round #808 Editorial

Revision en1, by waaitg, 2022-07-16 19:41:35

1708A — Difference Operations

idea: Imakf

Solution
Code

1708B — Difference of GCDs

idea: waaitg

Solution
Code

1707A — Doremy's IQ

idea: Imakf

Solution
Code of solution 1
Code of solution 2

1707B — Difference Array

idea: Imakf and waaitg

Unfortunately, a harder version of this problem has appeared in a codechef contest here.

In fact, this problem was come up with more than 1 year ago, earlier than the problem in that codechef contest. We are sorry again.

Solution
Code

1707C — DFS Trees

idea: waaitg

Solution
Code

1707D — Partial Virtual Trees

idea: Imakf and waaitg

Solution
Code

1707E — Replace

idea: Wolam, Imakf and waaitg

Solution
Code

1707F — Bugaboo

This is a noun almost one year ago when this problem came out.

idea: Imakf and waaitg

Solution
Code

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English waaitg 2022-07-16 20:04:10 264 Tiny change: 'ion">\n\n[tutoria' -> 'ion">\n\n[problem:1707A]\n[tutoria'
en1 English waaitg 2022-07-16 19:41:35 17872 Initial revision (published)