list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   145 109142 32.93
3
3
2 Prime Generator   262 34459 15.28
17
15
3 Substring Check (Bug Funny)   1 746 10.49
41
9
4 Transform the Expression   79 22005 48.97
11
11
5 The Next Palindrome   197 11142 9.99
24
19
6 Simple Arithmetics   3 1924 12.29
31
8
7 The Bulk!   3 321 27.01
30
17
8 Complete the Sequence!   17 1955 32.64
14
15
9 Direct Visibility   193 18.56
34
34
10 Complicated Expressions   3 674 26.05
12
6
11 Factorial   80 31168 45.73
6
12
12 The Game of Master-Mind   212 43.23
13 Hotline   150 27.84
14 I-Keyboard   4 719 37.34
26
23
15 The Shortest Path   48 3072 21.35
21
14
16 Sphere in a tetrahedron   6 2012 58.35
10
10
17 The Bytelandian Cryptographer (Act I)   5 704 32.49
12
23
18 The Bytelandian Cryptographer (Act II)   603 37.06
29
1
19 The Bytelandian Cryptographer (Act III)   1 120 42.36
17
17
20 The Bytelandian Cryptographer (Act IV)   38 21.88
28
34
22 Triangle From Centroid   6 1358 43.30
6
17
23 Pyramids   -20 3587 37.04
7
13
24 Small factorials   66 25610 30.25
15
9
25 Pouring water   39 2876 21.36
18
20
26 Build the Fence   24 1334 31.08
22
16
27 Sorting Bank Accounts   24 4743 40.44
9
6
28 Help the Military Recruitment Office!   2 398 12.89
13
1
29 Hash it!   7 1768 21.42
10
3
30 Bytelandian Blingors Network   25 2189 35.18
16
9
31 Fast Multiplication   25 2938 15.61
11
12
32 A Needle in the Haystack   77 5002 36.30
15
13
33 Trip   12 979 20.35
26
14
34 Run Away   220 33.01
35 Equipment Box   2 825 13.80
13
21
36 Secret Code   4 178 24.51
17
26
37 The Proper Key   1 126 21.95
17
17
38 Labyrinth   36 3124 24.30
18
16
39 Piggy-Bank   62 4759 33.48
15
16
40 Lifting the Stone   3 1209 21.63
17
20
41 Play on Words   20 2115 17.76
18
24
42 Adding Reversed Numbers   42 37791 48.23
6
4
43 Copying Books   10 1401 24.57
17
20
44 Substitution Cipher   1 294 15.36
17
17
45 Commedia dell Arte   190 38.86
1
17
47 Skyscraper Floors   2 242 13.61
17
17
48 Glass Beads   19 2253 35.95
15
18
49 Hares and Foxes   -1 96 10.81
50 Invitation Cards   15 832 39.54
16
17
51 Fake tournament   21 1029 23.78
12
16
54 Julka   64 13368 27.97
19
6

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