Unofficial hints for Codeforces Round #682 (Div. 2) (A — D)

Revision en5, by TheScrasse, 2020-11-13 20:46:19

As promised, here are some (nested) hints for Codeforces Round #682 (Div. 2).

1438A - Специфичные вкусы Андре

Hint 1

1438B - Валерий против всех

Hint 1

1438C - Инженер Артем

Hint 1

1438D - Влиятельная Ксения

Hint 1

I wasn't able to solve E and F. If you did, you may want to add your hints in the comments.

Also, please send a feedback if the hints are unclear or if they spoil the solution too much.

Tags hints

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en6 English TheScrasse 2020-11-13 20:59:08 17 Tiny change: '\nThe xor remains c' -> '\nThe xor of all the array remains c'
en5 English TheScrasse 2020-11-13 20:46:19 97
en4 English TheScrasse 2020-11-13 20:32:22 34 Tiny change: 'he array. Are ther' -> 'he array. You already have some $a[i] = x$. Are ther'
en3 English TheScrasse 2020-11-13 20:25:47 24 Tiny change: 'th cases, you can ' -> 'th cases, if the answer is `YES`, you can '
en2 English TheScrasse 2020-11-13 20:21:01 76
en1 English TheScrasse 2020-11-13 20:18:34 2080 Initial revision (published)