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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
13829 Tjandra 19th birthday present (HARD)   2 36 37.63
39
23
15165 primes triangle (II)   2 18 26.46
39
17
15336 Hello Intercal!   2 169 58.90
39
17
17125 Thor vs Frost Giants   1 189 28.21
39
28
19975 Amazing Prime Sequence (hard)   5 94 44.01
39
45
36936 K-Divisors   3 14 16.98
39
39
38389 Phasmophobia   5 29 31.78
39
39
4948 Integer Factorization (29 digits)   8 122 15.08
40
34
3 Substring Check (Bug Funny)   9 1080 7.07
40
15
9576 Dynamic Graph Connectivity   8 324 38.31
41
38
105 Alice and Bob   3 176 26.77
42
42
1470 Another Sequence Problem   3 195 24.47
42
26
2023 One Instruction Computer Simulator   47 10.58
42
42
3314 Umnozak   113 29.75
42
17
3833 Tresnja   1 128 52.69
42
42
3902 Fight with functions   3 21 6.52
42
34
4157 Domino   4 54 49.39
42
42
4166 Four colors   2 104 21.94
42
42
5703 Primes of Lambda   2 23 26.38
42
42
7356 Iterated Bitcount Function   2 35 16.13
42
34
7363 Tree Sum   5 184 36.13
42
45
7561 Lexicographic position   1 34 33.59
42
26
7746 Cocircular Points   62 16.64
42
17
9985 Distance   2 62 23.10
42
34
11482 Count on a trie   77 12.35
42
50
11834 DOJO Corridor II   3 26 30.50
42
34
13980 Sudoku goblin   2 81 42.31
42
34
15381 Cut The Rope   3 16.28
42
1
16580 Query on a tree VII   2 272 17.86
42
42
18522 Tours   25 21.30
42
26
21858 Christmas is coming   2 28 12.54
42
26
22086 Prime Power Test   2 16 12.96
42
17
26045 GCD OF MATRIX (hard)   4 135 28.66
42
29
26073 Counting Divisors   3 141 25.83
42
38
26561 Pair Divisible 2   2 19 10.07
42
42
26845 Daenerys wants to Conquer   2 9 47.69
42
42
32088 Chessboard State 1: National Chess Tournament   5 15 23.67
42
21
32223 Ada and Lychees   3 17 22.60
42
26
33048 Find Linear Recurrence   4 24 34.80
42
50
33932 Ada and Prime   5 82 22.75
42
26
35631 Moon Safari (Extreme)   2 9 34.28
42
42
37420 Anti Hash   3 36 15.33
42
42
37921 Birthday Present   3 40 32.09
42
34
40148 Distinct Cyclings   1 14 24.19
42
34
6988 Beer Machines   5 33 17.62
43
37
6622 Islands and Hotel Chains   2 64 9.63
45
34
18932 Sum of primes (reverse mode)   5 23 17.39
45
45
19954 Travelling Knight 2   3 16 12.14
45
34
32952 Ada and Football   3 227 37.61
45
39
36946 March Of The King   3 15 16.52
45
45

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