Codeforces Round #722 Editorial

Revision en20, by AliShahali1382, 2021-05-24 21:40:17

Hello, Codeforces!

1529A - Eshag Loves Big Arrays

problem idea and solution: AmShZ

editorial
official solution

1529B - Sifid and Strange Subsequences

problem idea and solution: -zeus-

editorial
official solution

1528A - Parsa's Humongous Tree

problem idea and solution: shokouf, AmShZ

editorial
official solution

1528B - Kavi on Pairing Duty

problem idea and solution: alireza_kaviani

editorial
official solution

1528C - Trees of Tranquillity

problem idea and solution: AliShahali1382

editorial
official solution
better implementation of official solution
python solution
another O(n.log) solution with seg-tree

1528D - It's a bird! No, it's a plane! No, it's AaParsa!

problem idea and solution: AmShZ, AliShahali1382

editorial
official solution
a different O(n^3) solution

1528E - Mashtali and Hagh Trees

problem idea and solution: AliShahali1382

editorial
official solution

1528F - AmShZ Farm

problem idea and solution: AmShZ, AliShahali1382

editorial
official solution
Tags cf round 722, #editorial

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en30 English Tet 2021-05-25 19:13:31 65
en29 English Tet 2021-05-24 23:28:33 2659
en28 English Tet 2021-05-24 23:24:56 0 Tiny change: 'orial:1528F]\n</spoil' -> 'orial:1528A]\n</spoil'
en27 English Tet 2021-05-24 22:17:38 4 Tiny change: ' solution[Atreus]">\' -> ' solution[user:Atreus]">\'
en26 English Tet 2021-05-24 22:15:57 5 Tiny change: 'Hello, Codeforc' -> 'Hi, Codeforc'
en25 English Tet 2021-05-24 22:15:21 0 (published)
en24 English Dio 2021-05-24 22:12:35 12 (saved to drafts)
en23 English AliShahali1382 2021-05-24 22:02:31 41
en22 English AliShahali1382 2021-05-24 21:58:48 32
en21 English AliShahali1382 2021-05-24 21:51:32 14
en20 English AliShahali1382 2021-05-24 21:40:17 2 Tiny change: 'orces!\n\n[probl' -> 'orces!\n\n\n[probl' (published)
en19 English AliShahali1382 2021-05-24 21:37:45 16 Tiny change: 'm:1529A]\nproblem ' -> 'm:1529A]\n\nproblem '
en18 English AliShahali1382 2021-05-24 21:36:47 800
en17 English AliShahali1382 2021-05-24 21:33:16 268
en16 English AliShahali1382 2021-05-24 21:31:39 109
en15 English AliShahali1382 2021-05-24 21:29:30 38 Tiny change: 'spoiler>\n\nproblem ' -> 'spoiler>\nproblem '
en14 English AliShahali1382 2021-05-24 21:11:20 1634
en13 English AliShahali1382 2021-05-24 21:07:02 1627
en12 English Dio 2021-05-24 21:03:31 160
en11 English Dio 2021-05-24 21:02:25 2 Tiny change: '\n~~~~~\n/ Call my ' -> '\n~~~~~\n// Call my '
en10 English Dio 2021-05-24 21:01:43 1 Tiny change: 'spoiler>\n\nproblem ' -> 'spoiler>\nproblem '
en9 English AliShahali1382 2021-05-24 20:59:59 8
en8 English AliShahali1382 2021-05-24 20:58:23 2
en7 English AliShahali1382 2021-05-24 20:57:19 7357
en6 English AliShahali1382 2021-05-24 20:42:46 14185
en5 English AliShahali1382 2021-05-24 20:23:44 10
en4 English AliShahali1382 2021-05-24 20:22:34 47
en3 English AliShahali1382 2021-05-24 20:21:37 1939
en2 English AliShahali1382 2021-05-24 20:17:44 89
en1 English AliShahali1382 2021-05-24 20:09:46 32 Initial revision (saved to drafts)