list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   62 75967 33.69
3
2
2 Prime Generator   71 23513 16.11
16
13
3 Substring Check (Bug Funny)   1 537 9.92
38
5
4 Transform the Expression   20 16344 49.52
6
10
5 The Next Palindrome   54 8039 10.03
22
20
6 Simple Arithmetics   -1 1617 12.58
27
8
7 The Bulk!   286 26.67
8 Complete the Sequence!   4 1576 32.43
8
17
9 Direct Visibility   180 18.63
10 Complicated Expressions   594 26.78
11 Factorial   23 24133 45.63
6
9
12 The Game of Master-Mind   185 44.92
13 Hotline   143 30.12
14 I-Keyboard   640 37.22
15 The Shortest Path   7 1975 20.93
21
15
16 Sphere in a tetrahedron   1 1619 57.58
9
17
17 The Bytelandian Cryptographer (Act I)   1 605 31.97
1
1
18 The Bytelandian Cryptographer (Act II)   560 36.94
34
1
19 The Bytelandian Cryptographer (Act III)   115 44.44
20 The Bytelandian Cryptographer (Act IV)   1 31 7.10
34
50
22 Triangle From Centroid   2 1146 42.02
1
9
23 Pyramids   -6 2909 36.68
6
8
24 Small factorials   17 19790 30.46
16
9
25 Pouring water   7 2106 19.58
17
9
26 Build the Fence   6 955 29.45
21
13
27 Sorting Bank Accounts   6 3547 40.33
3
1
28 Help the Military Recruitment Office!   2 337 12.57
17
1
29 Hash it!   1 1469 21.62
1
1
30 Bytelandian Blingors Network   8 1654 33.46
15
9
31 Fast Multiplication   5 1560 13.10
6
6
32 A Needle in the Haystack   24 3296 35.50
13
11
33 Trip   3 759 19.32
17
17
34 Run Away   204 32.55
35 Equipment Box   1 739 13.96
1
34
36 Secret Code   2 164 25.20
17
26
37 The Proper Key   122 22.19
38 Labyrinth   5 2209 23.43
17
21
39 Piggy-Bank   19 3524 32.76
12
12
40 Lifting the Stone   2 1045 20.83
9
9
41 Play on Words   6 1837 17.60
15
26
42 Adding Reversed Numbers   10 28539 48.16
6
5
43 Copying Books   1035 24.90
44 Substitution Cipher   2 279 15.16
17
17
45 Commedia dell Arte   161 40.44
47 Skyscraper Floors   1 234 14.03
48 Glass Beads   4 1913 35.70
12
15
49 Hares and Foxes   93 12.57
50 Invitation Cards   3 623 37.86
17
17
51 Fake tournament   5 768 21.93
11
20
54 Julka   15 10471 28.39
21
4

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