list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   42 71433 33.89
2
1
2 Prime Generator   47 21925 16.25
16
11
3 Substring Check (Bug Funny)   499 9.47
42
1
4 Transform the Expression   12 15542 49.67
4
8
5 The Next Palindrome   36 7584 10.15
22
21
6 Simple Arithmetics   -1 1577 12.62
27
8
7 The Bulk!   282 26.43
8 Complete the Sequence!   3 1513 32.88
9
17
9 Direct Visibility   179 18.91
10 Complicated Expressions   584 26.87
11 Factorial   15 22963 45.68
6
8
12 The Game of Master-Mind   178 45.66
13 Hotline   142 29.90
14 I-Keyboard   632 37.25
15 The Shortest Path   5 1857 20.79
24
17
16 Sphere in a tetrahedron   1 1547 57.00
17
34
17 The Bytelandian Cryptographer (Act I)   583 31.73
18 The Bytelandian Cryptographer (Act II)   550 36.94
19 The Bytelandian Cryptographer (Act III)   112 44.17
20 The Bytelandian Cryptographer (Act IV)   1 31 7.25
34
50
22 Triangle From Centroid   1 1082 41.36
1
17
23 Pyramids   -3 2786 36.53
8
8
24 Small factorials   11 18841 30.44
14
8
25 Pouring water   5 1993 19.36
17
1
26 Build the Fence   4 918 29.44
17
12
27 Sorting Bank Accounts   3 3376 40.23
1
1
28 Help the Military Recruitment Office!   327 12.49
29 Hash it!   1411 21.48
30 Bytelandian Blingors Network   4 1563 33.12
17
9
31 Fast Multiplication   2 1376 12.65
1
1
32 A Needle in the Haystack   6 3035 35.25
12
11
33 Trip   730 19.19
34 Run Away   200 31.84
35 Equipment Box   1 709 13.85
1
34
36 Secret Code   1 161 25.35
1
17
37 The Proper Key   121 22.20
38 Labyrinth   2 2109 23.34
17
17
39 Piggy-Bank   6 3321 32.53
12
12
40 Lifting the Stone   2 1001 20.61
9
9
41 Play on Words   4 1776 17.59
21
30
42 Adding Reversed Numbers   7 27283 48.10
6
6
43 Copying Books   1013 24.93
44 Substitution Cipher   1 272 15.02
17
17
45 Commedia dell Arte   161 40.61
47 Skyscraper Floors   1 232 14.07
48 Glass Beads   3 1824 35.63
14
17
49 Hares and Foxes   92 12.95
50 Invitation Cards   1 600 37.48
51 Fake tournament   1 733 21.62
17
34
54 Julka   7 9974 28.33
18
4

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