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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
32028 Ada and Parties   3 1.38
50
50
32091 Chessboard State 2: International Chess Tournament   1 6 20.00
50
17
32092 Chessboard State 3: Intergalactic Chess Tournament   1 6 61.22
50
34
32302 Ada and Replant   1 19 24.12
50
34
32446 Sanvi and Magical Numbers   1 10 22.08
50
34
33039 Amazing Factor Sequence (hard)   2 17 62.60
50
50
33062 LCM Pesticide   2 7 30.23
50
50
35675 Primes in GCD Table (Hard)   2 9 30.77
50
50
36789 Linear Diophantine Equation   2 9 15.83
50
50
37446 Breaking Math   2 7 25.22
50
50
16063 Hackers   6 59 21.54
48
48
26045 GCD OF MATRIX (hard)   3 122 28.85
47
28
33046 Factorial Modulo Prime   4 29 18.62
46
42
6622 Islands and Hotel Chains   2 61 9.54
45
34
7363 Tree Sum   4 155 34.51
45
50
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
19954 Travelling Knight 2   3 16 13.77
45
34
32952 Ada and Football   3 207 38.43
45
39
36946 March Of The King   3 13 32.61
45
45
40501 A Simple Sieve   3 6 13.64
45
50
1470 Another Sequence Problem   3 191 24.49
43
27
6988 Beer Machines   5 32 18.72
43
37
3 Substring Check (Bug Funny)   8 1068 7.43
42
16
105 Alice and Bob   3 171 27.45
42
42
2023 One Instruction Computer Simulator   41 11.22
42
42
3314 Umnozak   105 29.17
42
17
3833 Tresnja   1 126 52.36
42
42
3902 Fight with functions   3 20 6.55
42
34
4157 Domino   4 54 50.42
42
42
5703 Primes of Lambda   2 22 26.97
42
42
6489 Finding the Kth Prime (Hard)   7 82 10.08
42
36
7356 Iterated Bitcount Function   2 35 16.95
42
34
7561 Lexicographic position   1 33 33.86
42
26
7746 Cocircular Points   59 16.57
42
17
9985 Distance   2 61 24.14
42
34
11482 Count on a trie   60 23.63
42
50
11834 DOJO Corridor II   2 21 33.54
42
34
13980 Sudoku goblin   2 73 41.09
42
34
15381 Cut The Rope   3 17.95
42
1
18522 Tours   22 13.10
42
26
21858 Christmas is coming   2 27 13.38
42
26
22086 Prime Power Test   2 16 14.03
42
17
26561 Pair Divisible 2   2 15 8.33
42
42
32088 Chessboard State 1: National Chess Tournament   5 12 27.85
42
21
32223 Ada and Lychees   3 14 27.08
42
26
33048 Find Linear Recurrence   4 23 34.48
42
50
33932 Ada and Prime   5 78 22.93
42
26
35631 Moon Safari (Extreme)   2 9 25.00
42
42
37420 Anti Hash   3 34 15.25
42
42
37422 Recurrence Power Sum   3 25 19.55
42
45

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