list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   297 214026 33.03
4
3
2 Prime Generator   622 78686 16.01
15
13
3 Substring Check (Bug Funny)   8 1064 7.60
42
16
4 Transform the Expression   258 42874 49.19
12
11
5 The Next Palindrome   452 19961 10.73
25
18
6 Simple Arithmetics   11 3009 12.33
30
9
7 The Bulk!   6 500 16.01
30
24
8 Complete the Sequence!   32 4378 37.77
16
18
9 Direct Visibility   4 251 11.95
30
21
10 Complicated Expressions   11 1541 32.18
16
16
11 Factorial   174 58214 44.93
6
12
12 The Game of Master-Mind   1 746 48.27
17
17
13 Hotline   2 195 16.38
34
23
14 I-Keyboard   6 1267 43.44
24
23
15 The Shortest Path   156 7482 24.10
17
12
16 Sphere in a tetrahedron   12 3482 56.40
11
16
17 The Bytelandian Cryptographer (Act I)   8 1346 41.85
15
26
18 The Bytelandian Cryptographer (Act II)   4 664 29.88
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 37.90
17
26
20 The Bytelandian Cryptographer (Act IV)   2 55 26.81
21
34
22 Triangle From Centroid   9 2640 46.62
9
22
23 Pyramids   -20 5602 36.92
9
15
24 Small factorials   153 49540 29.66
15
9
25 Pouring water   100 5362 24.17
19
22
26 Build the Fence   37 2214 28.16
22
17
27 Sorting Bank Accounts   53 8745 40.43
11
6
28 Help the Military Recruitment Office!   6 776 16.12
12
9
29 Hash it!   14 3582 24.13
14
8
30 Bytelandian Blingors Network   54 3720 39.06
14
10
31 Fast Multiplication   48 8673 20.66
15
12
32 A Needle in the Haystack   193 10890 38.16
15
14
33 Trip   18 1948 25.95
25
16
34 Run Away   2 472 21.92
26
34
35 Equipment Box   6 1299 14.62
7
20
36 Secret Code   6 539 36.63
17
17
37 The Proper Key   1 135 15.51
17
17
38 Labyrinth   97 5286 25.76
17
16
39 Piggy-Bank   139 8087 35.45
14
16
40 Lifting the Stone   6 1597 23.52
13
16
41 Play on Words   42 3208 19.39
21
24
42 Adding Reversed Numbers   103 76482 48.36
6
4
43 Copying Books   45 2727 25.55
19
19
44 Substitution Cipher   2 320 13.50
17
17
45 Commedia dell Arte   2 236 34.34
5
26
47 Skyscraper Floors   6 282 12.65
24
17
48 Glass Beads   28 3362 37.80
15
18
49 Hares and Foxes   1 107 7.85
17
26
50 Invitation Cards   29 1721 43.02
16
18
51 Fake tournament   42 1790 27.32
18
19
54 Julka   163 22937 27.44
19
6

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