list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   135 104496 32.94
3
3
2 Prime Generator   233 32807 15.27
17
15
3 Substring Check (Bug Funny)   1 723 10.63
39
10
4 Transform the Expression   71 21257 49.08
10
10
5 The Next Palindrome   178 10740 9.97
24
19
6 Simple Arithmetics   3 1885 12.29
30
9
7 The Bulk!   3 319 27.17
30
17
8 Complete the Sequence!   15 1900 32.58
14
15
9 Direct Visibility   191 18.57
10 Complicated Expressions   2 664 26.29
17
9
11 Factorial   70 30306 45.76
5
11
12 The Game of Master-Mind   208 43.27
13 Hotline   149 27.91
14 I-Keyboard   4 709 37.36
26
23
15 The Shortest Path   41 2880 21.25
21
14
16 Sphere in a tetrahedron   7 1954 58.35
10
10
17 The Bytelandian Cryptographer (Act I)   5 689 32.33
12
23
18 The Bytelandian Cryptographer (Act II)   597 37.18
34
1
19 The Bytelandian Cryptographer (Act III)   120 42.36
20 The Bytelandian Cryptographer (Act IV)   35 6.92
28
34
22 Triangle From Centroid   5 1329 43.12
7
17
23 Pyramids   -16 3518 37.21
6
13
24 Small factorials   60 24871 30.24
15
9
25 Pouring water   35 2760 21.14
17
19
26 Build the Fence   21 1291 30.83
22
15
27 Sorting Bank Accounts   22 4589 40.52
9
6
28 Help the Military Recruitment Office!   2 388 12.86
12
1
29 Hash it!   5 1726 21.42
9
4
30 Bytelandian Blingors Network   23 2100 35.11
17
10
31 Fast Multiplication   26 2789 15.45
10
10
32 A Needle in the Haystack   74 4772 36.13
14
13
33 Trip   12 941 20.15
26
14
34 Run Away   215 32.86
35 Equipment Box   2 818 13.84
13
21
36 Secret Code   4 175 24.56
17
26
37 The Proper Key   1 125 22.14
17
17
38 Labyrinth   29 2996 24.26
17
16
39 Piggy-Bank   56 4613 33.33
15
15
40 Lifting the Stone   2 1197 21.55
17
20
41 Play on Words   16 2081 17.68
17
22
42 Adding Reversed Numbers   35 36511 48.39
6
4
43 Copying Books   10 1364 24.49
17
20
44 Substitution Cipher   1 293 15.43
17
17
45 Commedia dell Arte   190 38.93
1
17
47 Skyscraper Floors   2 241 13.59
17
17
48 Glass Beads   17 2221 35.77
15
18
49 Hares and Foxes   -1 96 10.87
50 Invitation Cards   14 795 39.04
16
17
51 Fake tournament   21 1012 23.73
12
16
54 Julka   63 13009 28.06
19
6

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