Codeforces Round #421 Editorial

Revision en9, by adedalic, 2017-06-28 01:46:24

First, I apologize for problems with round and serious problem with Div1A/Div2C. It was very important round for me and, as always, something goes wrong. KAN have already wrote about this.

Anyway, there are problems, so editorial must exists. Due some circumstances, Editorial will be upload in parts. Also, most of tutorials will contain main ideas how to solve task, not ready algorithm.

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History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
ru1 Russian adedalic 2017-06-28 17:40:28 9572 Первая редакция перевода на Русский
en11 English adedalic 2017-06-28 17:35:28 5513 Tiny change: 'rn (a + b — 1) / b;\n' -> 'rn (a + b - 1) / b;\n'
en10 English adedalic 2017-06-28 01:50:03 0 (published)
en9 English adedalic 2017-06-28 01:46:24 2012
en8 English adedalic 2017-06-28 01:43:41 56
en7 English adedalic 2017-06-28 01:42:04 24
en6 English adedalic 2017-06-28 01:40:14 10
en5 English adedalic 2017-06-28 01:39:13 9077
en4 English adedalic 2017-06-28 01:36:10 331
en3 English adedalic 2017-06-28 01:34:44 1758
en2 English adedalic 2017-06-28 01:16:21 9
en1 English adedalic 2017-06-28 01:15:57 2156 Initial revision (saved to drafts)