list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   205 130280 33.02
3
3
2 Prime Generator   392 42829 15.46
16
14
3 Substring Check (Bug Funny)   1 834 10.12
42
12
4 Transform the Expression   139 26447 48.80
11
11
5 The Next Palindrome   301 13231 10.14
25
19
6 Simple Arithmetics   10 2129 12.28
33
8
7 The Bulk!   3 350 26.06
30
17
8 Complete the Sequence!   21 2219 33.46
15
17
9 Direct Visibility   205 17.88
34
34
10 Complicated Expressions   8 725 25.94
15
13
11 Factorial   107 35950 45.89
5
12
12 The Game of Master-Mind   235 45.89
13 Hotline   158 27.83
14 I-Keyboard   4 744 37.20
26
23
15 The Shortest Path   76 3911 22.27
19
13
16 Sphere in a tetrahedron   8 2210 58.19
10
15
17 The Bytelandian Cryptographer (Act I)   5 753 32.96
12
23
18 The Bytelandian Cryptographer (Act II)   2 633 36.55
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.59
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.31
28
34
22 Triangle From Centroid   7 1453 43.77
8
19
23 Pyramids   -20 3860 35.93
10
14
24 Small factorials   90 29444 30.32
14
9
25 Pouring water   59 3390 22.15
17
22
26 Build the Fence   30 1575 31.83
22
17
27 Sorting Bank Accounts   33 5652 40.56
10
7
28 Help the Military Recruitment Office!   4 442 13.09
15
6
29 Hash it!   9 2137 21.34
12
4
30 Bytelandian Blingors Network   38 2603 36.59
13
8
31 Fast Multiplication   35 3817 17.04
14
13
32 A Needle in the Haystack   107 6049 37.12
15
13
33 Trip   12 1126 20.86
26
14
34 Run Away   1 251 34.17
17
34
35 Equipment Box   2 865 13.71
13
21
36 Secret Code   5 183 24.04
17
17
37 The Proper Key   1 127 21.63
17
17
38 Labyrinth   50 3668 24.56
19
16
39 Piggy-Bank   91 5552 34.11
14
16
40 Lifting the Stone   4 1280 21.83
15
17
41 Play on Words   27 2329 17.93
21
26
42 Adding Reversed Numbers   59 43918 48.55
6
5
43 Copying Books   25 1626 24.11
18
19
44 Substitution Cipher   1 297 15.26
17
17
45 Commedia dell Arte   198 38.77
1
17
47 Skyscraper Floors   2 251 13.35
17
17
48 Glass Beads   22 2420 36.64
15
17
49 Hares and Foxes   -1 97 10.39
50 Invitation Cards   22 993 41.51
17
17
51 Fake tournament   32 1180 24.50
15
18
54 Julka   98 15101 27.56
19
6

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