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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
2172 Ballroom Lights   1 33 33.75
34
17
10089 Locks and Keys   1 17 33.75
34
17
8794 Swimming Jam   2 47 33.74
26
26
405 Tin Cutter   134 33.72
17
17
1418 The Cats and the Mouse   54 2962 33.71
10
12
32947 Ada and Trees   18 189 33.71
13
17
21132 Palindromes   1 91 33.71
17
34
21965 Book Club   1 27 33.71
17
17
5975 Travelling Knight   2 50 33.70
34
34
37169 Boba Inversion   10 96 33.70
15
20
4052 Game   75 33.70
19545 Black and White beads   1 237 33.70
26
26
7737 Escape   54 33.70
12398 Johnny Listens to Music   84 33.70
21853 Rivals   23 505 33.67
17
24
17123 Destroying the Weapon Warehouse   92 33.66
1
1
31884 RPS Warfare   1 21 33.66
17
17
10420 Hardware upgrade   1 52 33.65
34
17
40945 Internet Spamming   4 20 33.65
17
17
176 Sum of one-sequence   5 665 33.64
11
27
15627 Create Collections   11 1604 33.62
9
9
13399 Rachu   8 1041 33.60
8
10
6408 Counting Triangles 2   -1 55 33.60
50
50
10815 Finally a Treat   2 289 33.59
9
1
4194 Another Lucky Numbers   4 137 33.56
17
13
9042 HQNP Incomputable   4 45 33.55
1
9
423 Assignments   242 4642 33.55
18
21
10265 Subdivision of the kingdom   33 33.55
11834 DOJO Corridor II   1 20 33.54
34
34
11372 Blueberries   62 2217 33.54
12
13
13809 ISRANK   1 20 33.54
50
50
2128 K-In-A-Row   6 438 33.52
17
11
23842 Professor Farouk Question   17 576 33.52
10
7
41507 GCD Product Sum   6 42 33.51
6
23
10507 Cheese-rolling World Cup   53 33.51
1461 Greedy Hydra   3 193 33.50
27
30
373 Greedy island   5 504 33.50
26
26
33019 Catering Contracts   7 86 33.49
23
27
11274 Lights and Switches   1 57 33.46
17
34
4061 Polygon   4 210 33.46
21
17
380 Bullshit Bingo   708 33.46
411 Number of quite different words   4 238 33.43
17
27
9761 Dolls   2 103 33.42
17
26
13090 New Strategy   3 142 33.38
9
9
22776 Balika Vadhu and Alok Nath   61 1186 33.38
14
18
25131 Largest Odd Divisor   17 1403 33.38
6
7
18202 HUGE GCD   17 669 33.35
14
13
2423 Minimal Triangulations of Graphs   27 33.33
8328 Move the books   27 33.33
9689 Very Boring Homework   15 33.33

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