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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13096 Amr Samir   5 921 31.21
9
10
13105 DNA   5 692 33.58
11
24
13106 KOSARE   3 387 50.54
23
39
13114 SQL Queries   2 16 52.63
13116 Dividing Xorland   1 31 48.57
17
9
13117 White Hats   9 618 37.56
4
14
13118 The Rook and The Rookette   37 27.23
17
17
13150 Magic Sticks   1 20 23.41
34
34
13156 Tom and Jerry   30 13.65
13165 Totient in permutation (easy)   11 309 20.77
17
17
13166 Totient in permutation (medium)   21 49.44
17
34
13167 Totient in permutation (hard)   7 11.79
13303 Tic-tac-toe 3   1 12 21.74
34
17
13363 WIND VANE   6 394 31.48
17
17
13364 THE N WITTY FRIENDS   1 49 22.30
17
17
13367 EVEN COUNT   8 352 23.15
28
19
13369 Cut on a tree   12 6.63
13384 Nice Binary Trees   26 1840 39.88
9
13
13398 Contest Hall Preparation   1 341 43.42
15
12
13404 The Encrypted Password   168 36.28
17
17
13405 MayanCalendar   5 125 55.48
8
8
13419 Modular Fibonacci Period   8 94 24.54
34
34
13420 Fimodacci   3 37 11.95
12
26
13444 Counting Lucky Numbers   3 175 29.95
17
17
13447 Crayon   12 147 26.70
23
27
13469 FOREVER ALONE   7 95 39.58
24
24
13500 Discord is at it again   2 36 39.78
34
34
13508 Madotsuki Pattern   14 44.12
13511 Determine the vismin value !   41 28.32
13523 Card Meets (medium)   7 56 29.43
17
21
13529 Special Graph   5 83 12.43
36
31
13545 Room Change   1 142 37.92
17
17
13577 Card Game   13 503 24.51
14
16
13588 One X LIS   2 78 21.64
17
17
13591 Factor y Hell   9 18.64
50
34
13621 Security   27 28.32
13622 Dead Pixels   25 22.70
13626 Charu and Coin Distribution   7 418 41.26
10
20
13630 BATMAN1   33 595 38.54
19
22
13631 BATMAN2   19 603 27.49
17
23
13643 BATMAN3   9 918 41.72
11
12
13646 BATMAN4   -7 155 32.79
20
17
13647 Tjandra 19th birthday (EASY)   1 72 40.58
1
1
13651 Check   3 136 42.99
9
1
13683 Transitive Closure   1 248 37.02
17
17
13686 finding maximum possible number   8 369 22.08
15
27
13707 SHAHBAG   9 1469 39.21
4
5
13738 Happy Valentine Day (Valentine Maze Game)   3 150 36.54
28
23
13745 Crack the Safe   19 610 53.22
14
13
13753 Amazing Prime Sequence   62 3362 29.93
10
12

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