Codeforces Round #808 Editorial

Правка en2, от waaitg, 2022-07-16 20:04:10

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

История

 
 
 
 
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  Rev. Язык Кто Когда Δ Комментарий
en2 Английский waaitg 2022-07-16 20:04:10 264 Tiny change: 'ion">\n\n[tutoria' -> 'ion">\n\n[problem:1707A]\n[tutoria'
en1 Английский waaitg 2022-07-16 19:41:35 17872 Initial revision (published)