KDOI Round 8 Editorial

Revision en123, by Error_Yuan, 2024-10-28 13:36:57
Rating Predictions

476175A - Set

Author: Otomachi_Una

Hint
Solution
Code (C++)
Code (Python 3)
Rate the Problem

476175B - Replacement

Author: wyrqwq

Hint
Solution
Code (C++)
Code (Python 3)
Rate the Problem

476175C - New Rating

Author: Error_Yuan

Solution 1 (with hints)
Solution 2 (with hints)
Code (Solution 1, C++)
Code (Solution 2, Python 3)
Rate the Problem

476175D - Cool Graph

Author: Error_Yuan

There are many different approaches to this problem. Only the easiest one (at least I think so) is shared here.

Hint 1
Hint 2
Solution
Code (C++)
Rate the Problem

476175E - Common Generator

Author: Error_Yuan, wyrqwq

Hint 1
Hint 2
Hint 3
Solution
Code (C++)
Rate the Problem

476175F - Palindrome Everywhere

Author: sszcdjr

Hint 1
Hint 2
Hint 3
Hint 4
Hint 5
Hint 6
Solution
Code (C++)
Bonus 1
Bonus 2
Rate the Problem

476175G - Balanced Problem

Author: wyrqwq, Error_Yuan

This problem has two approaches. The first one is the authors' solution, and the second one was found during testing.

Solution 1 (with hints)
Solution 2 (with hints)
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476175H - Message Spread

Author: sszcdjr

Hint 1
Hint 2
Hint 3
Hint 4
Solution
Code (C++)
Rate the Problem

476175I - Variance Challenge

Author: Error_Yuan

Hint 1
Hint 2
Hint 3
Hint 4
Hint 5
Solution
Code (C++)
Rate the Problem

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en161 English Error_Yuan 2024-11-11 13:02:28 2
en160 English Error_Yuan 2024-11-11 07:39:28 0 (published)
en159 English Error_Yuan 2024-11-11 07:38:51 83 (saved to drafts)
en158 English Error_Yuan 2024-11-09 20:58:26 90
en157 English Error_Yuan 2024-11-09 20:54:35 0 (published)
en156 English Error_Yuan 2024-11-09 20:54:23 2 (saved to drafts)
en155 English Error_Yuan 2024-11-09 20:47:27 0 (published)
en154 English Error_Yuan 2024-11-09 20:46:58 509
en153 English Error_Yuan 2024-11-09 19:05:58 57
en152 English Error_Yuan 2024-11-09 18:02:36 53
en151 English Error_Yuan 2024-11-09 17:56:14 57
en150 English Error_Yuan 2024-11-09 17:49:59 106
en149 English Error_Yuan 2024-11-09 17:40:15 10
en148 English Error_Yuan 2024-11-09 17:39:21 104
en147 English Error_Yuan 2024-11-09 14:49:03 13
en146 English Error_Yuan 2024-11-09 14:48:05 91
en145 English Error_Yuan 2024-11-09 14:30:14 6
en144 English Error_Yuan 2024-11-09 14:27:34 29
en143 English Error_Yuan 2024-11-09 14:22:08 64
en142 English Error_Yuan 2024-11-09 12:02:01 13
en141 English Error_Yuan 2024-11-09 12:01:47 34
en140 English Error_Yuan 2024-11-08 08:12:48 91
en139 English Error_Yuan 2024-11-07 15:39:06 151
en138 English Error_Yuan 2024-11-07 15:37:22 95
en137 English Error_Yuan 2024-11-02 12:16:56 36
en136 English Error_Yuan 2024-11-02 11:55:22 70
en135 English Error_Yuan 2024-10-29 05:50:57 77
en134 English Error_Yuan 2024-10-28 18:30:08 10
en133 English Error_Yuan 2024-10-28 18:24:38 6
en132 English Error_Yuan 2024-10-28 18:23:12 6111
en131 English Error_Yuan 2024-10-28 16:29:32 8
en130 English Error_Yuan 2024-10-28 16:28:38 6
en129 English Error_Yuan 2024-10-28 16:26:14 790
en128 English Error_Yuan 2024-10-28 16:16:51 3866
en127 English Error_Yuan 2024-10-28 16:06:44 2342
en126 English Error_Yuan 2024-10-28 16:03:39 35
en125 English Error_Yuan 2024-10-28 16:01:49 850
en124 English Error_Yuan 2024-10-28 15:42:57 453
en123 English Error_Yuan 2024-10-28 13:36:57 694
en122 English Error_Yuan 2024-10-28 07:46:44 3
en121 English Error_Yuan 2024-10-28 07:43:50 13
en120 English sszcdjr 2024-10-27 19:45:15 18
en119 English sszcdjr 2024-10-27 19:44:19 2
en118 English sszcdjr 2024-10-27 19:43:43 4086
en117 English sszcdjr 2024-10-27 19:12:07 6
en116 English sszcdjr 2024-10-27 19:11:20 180
en115 English Error_Yuan 2024-10-25 12:01:19 92
en114 English Error_Yuan 2024-10-25 11:58:37 1183
en113 English Error_Yuan 2024-10-25 11:12:28 4
en112 English Error_Yuan 2024-10-25 11:11:45 22
en111 English Error_Yuan 2024-10-25 11:11:04 13
en110 English Error_Yuan 2024-10-25 11:09:53 235
en109 English Error_Yuan 2024-10-25 11:01:28 554
en108 English Error_Yuan 2024-10-25 09:22:14 131
en107 English Error_Yuan 2024-10-25 09:21:21 2929
en106 English Error_Yuan 2024-10-23 12:31:43 146
en105 English Error_Yuan 2024-10-23 12:26:01 216
en104 English Error_Yuan 2024-10-23 12:23:39 110
en103 English Error_Yuan 2024-10-23 12:22:09 335
en102 English Error_Yuan 2024-10-23 12:17:07 4
en101 English Error_Yuan 2024-10-23 12:15:50 32
en100 English Error_Yuan 2024-10-23 12:14:04 13
en99 English Error_Yuan 2024-10-23 12:12:37 41
en98 English Error_Yuan 2024-10-23 12:10:37 3
en97 English Error_Yuan 2024-10-23 12:10:00 134
en96 English sszcdjr 2024-10-22 17:53:14 19
en95 English sszcdjr 2024-10-22 17:51:08 4706
en94 English Error_Yuan 2024-10-22 14:02:34 8
en93 English Error_Yuan 2024-10-22 14:02:04 3
en92 English Error_Yuan 2024-10-14 15:48:09 250
en91 English Error_Yuan 2024-10-14 15:41:48 51
en90 English sszcdjr 2024-10-13 09:25:19 9
en89 English sszcdjr 2024-10-13 09:22:42 2056
en88 English Error_Yuan 2024-10-13 06:06:19 20
en87 English Error_Yuan 2024-10-13 06:04:30 77
en86 English Error_Yuan 2024-10-13 06:04:16 83
en85 English Error_Yuan 2024-10-13 05:58:07 408
en84 English Error_Yuan 2024-10-13 05:41:34 142
en83 English Error_Yuan 2024-10-13 04:07:05 123
en82 English Error_Yuan 2024-10-12 18:33:43 222
en81 English Error_Yuan 2024-10-12 18:32:56 1446
en80 English Error_Yuan 2024-10-12 18:31:58 63
en79 English Error_Yuan 2024-10-12 18:29:49 1855
en78 English Error_Yuan 2024-10-12 17:07:11 13
en77 English Error_Yuan 2024-10-12 17:06:35 1702
en76 English Error_Yuan 2024-10-12 16:59:33 213
en75 English Error_Yuan 2024-10-12 16:53:12 76
en74 English Error_Yuan 2024-10-12 16:45:02 1093
en73 English Error_Yuan 2024-10-12 16:29:26 445
en72 English Error_Yuan 2024-10-12 15:34:27 13
en71 English Error_Yuan 2024-10-12 15:31:32 7
en70 English Error_Yuan 2024-10-12 15:30:51 606
en69 English Error_Yuan 2024-10-12 15:26:11 3
en68 English Error_Yuan 2024-10-12 15:25:45 38
en67 English Error_Yuan 2024-10-12 15:24:17 384
en66 English Error_Yuan 2024-10-12 15:12:12 505
en65 English Error_Yuan 2024-10-12 15:06:15 449
en64 English Error_Yuan 2024-10-12 15:03:38 41
en63 English Error_Yuan 2024-10-12 15:02:19 24
en62 English Error_Yuan 2024-10-12 15:01:49 989
en61 English Error_Yuan 2024-10-12 13:47:17 129
en60 English Error_Yuan 2024-10-12 13:26:09 20
en59 English Error_Yuan 2024-10-12 11:19:44 240
en58 English Error_Yuan 2024-10-12 11:17:01 91
en57 English Error_Yuan 2024-10-12 09:23:27 22
en56 English Error_Yuan 2024-10-12 09:20:47 6
en55 English Error_Yuan 2024-10-12 09:20:11 244
en54 English Error_Yuan 2024-10-12 09:15:15 256
en53 English Error_Yuan 2024-10-12 09:12:29 185
en52 English Error_Yuan 2024-10-12 09:10:10 640
en51 English Error_Yuan 2024-10-12 08:52:27 595
en50 English Error_Yuan 2024-10-10 18:55:23 72
en49 English Error_Yuan 2024-10-10 17:52:48 530
en48 English Error_Yuan 2024-10-10 17:49:07 17
en47 English Error_Yuan 2024-10-10 17:47:11 25
en46 English Error_Yuan 2024-10-10 17:42:26 438
en45 English Error_Yuan 2024-10-10 17:41:00 1194
en44 English Error_Yuan 2024-10-10 17:30:38 2
en43 English Error_Yuan 2024-10-10 17:30:21 1
en42 English Error_Yuan 2024-10-10 17:29:57 962
en41 English Error_Yuan 2024-10-10 17:25:49 1
en40 English Error_Yuan 2024-10-10 17:25:31 88
en39 English Error_Yuan 2024-10-10 17:22:48 212
en38 English Error_Yuan 2024-10-10 17:07:58 58 Tiny change: 'Python code are provided by [user:Sugar_fan,2024-10-02].\n\n[problem' -> '\n[problem'
en37 English Error_Yuan 2024-10-02 05:19:15 2 Tiny change: ' summary="code (Pytho' -> ' summary="Code (Pytho'
en36 English Error_Yuan 2024-10-02 05:18:58 326
en35 English Error_Yuan 2024-10-01 19:39:26 2 Tiny change: 'lem:476175F]\n\nAutho' -> 'lem:476175G]\n\nAutho'
en34 English Error_Yuan 2024-10-01 19:39:06 2051
en33 English Error_Yuan 2024-09-08 12:10:29 1 Tiny change: 'dp contains $n$? Actu' -> 'dp contain $n$? Actu'
en32 English Error_Yuan 2024-09-08 12:04:40 17
en31 English Error_Yuan 2024-09-08 12:04:29 17
en30 English Error_Yuan 2024-09-04 06:18:54 10 Tiny change: ' summary="Tutorial">\n**Clai' -> ' summary="Solution">\n**Clai'
en29 English Error_Yuan 2024-09-03 09:12:46 55
en28 English Error_Yuan 2024-09-03 09:08:39 218
en27 English Error_Yuan 2024-09-03 08:57:55 34 Tiny change: 'Hint 2">\nIf we want' -> 'Hint 2">\nSuppose we can't undo operations. If we want'
en26 English Error_Yuan 2024-09-03 08:56:38 303
en25 English Error_Yuan 2024-09-03 06:48:17 11
en24 English Error_Yuan 2024-09-03 06:43:43 198
en23 English Error_Yuan 2024-09-03 05:03:25 358
en22 English Error_Yuan 2024-09-02 08:48:42 130
en21 English Error_Yuan 2024-09-02 08:46:51 373
en20 English Error_Yuan 2024-09-02 08:33:52 301
en19 English Error_Yuan 2024-09-02 08:30:44 55
en18 English Error_Yuan 2024-09-02 08:29:45 34
en17 English Error_Yuan 2024-09-02 08:27:23 14
en16 English Error_Yuan 2024-09-02 08:26:52 6
en15 English Error_Yuan 2024-09-02 08:26:24 2 Tiny change: 't round.\n<spoiler' -> 't round.\n\n<spoiler'
en14 English Error_Yuan 2024-09-02 08:25:37 113
en13 English Error_Yuan 2024-09-02 08:23:09 425
en12 English Error_Yuan 2024-09-02 08:14:31 99
en11 English Error_Yuan 2024-09-02 08:08:16 42 Tiny change: '6175C]\n\n<spoi' -> '6175C]\n\nAuthor: [user:Error_Yuan,2024-09-02]\n\n<spoi'
en10 English Error_Yuan 2024-09-02 08:07:33 230
en9 English Error_Yuan 2024-09-02 08:02:11 47
en8 English Error_Yuan 2024-09-02 08:00:27 32
en7 English Error_Yuan 2024-09-02 07:54:44 29
en6 English Error_Yuan 2024-09-02 07:53:14 537
en5 English Error_Yuan 2024-09-02 07:05:58 208
en4 English Error_Yuan 2024-09-02 06:42:41 97
en3 English Error_Yuan 2024-09-02 06:39:29 8 Tiny change: 'ial">\nNoticing that, aft' -> 'ial">\nNote that, aft'
en2 English Error_Yuan 2024-09-02 06:36:28 468
en1 English Error_Yuan 2024-09-02 06:29:42 39 Initial revision (saved to drafts)