list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   69 78287 33.52
3
2
2 Prime Generator   90 24132 15.96
17
14
3 Substring Check (Bug Funny)   1 556 10.10
38
5
4 Transform the Expression   25 16672 49.31
7
10
5 The Next Palindrome   64 8234 10.01
23
21
6 Simple Arithmetics   1632 12.54
28
6
7 The Bulk!   288 26.63
8 Complete the Sequence!   4 1593 32.35
8
17
9 Direct Visibility   180 18.48
10 Complicated Expressions   597 26.70
11 Factorial   26 24678 45.56
6
8
12 The Game of Master-Mind   186 44.88
13 Hotline   143 30.12
14 I-Keyboard   1 645 37.32
15 The Shortest Path   8 2027 20.93
17
14
16 Sphere in a tetrahedron   1 1653 57.95
12
12
17 The Bytelandian Cryptographer (Act I)   1 610 31.89
1
1
18 The Bytelandian Cryptographer (Act II)   567 37.03
34
1
19 The Bytelandian Cryptographer (Act III)   116 44.64
20 The Bytelandian Cryptographer (Act IV)   1 31 7.06
34
50
22 Triangle From Centroid   2 1174 42.31
1
9
23 Pyramids   -6 2995 36.93
6
12
24 Small factorials   19 20219 30.39
16
9
25 Pouring water   11 2141 19.60
19
15
26 Build the Fence   6 965 29.62
21
13
27 Sorting Bank Accounts   7 3607 40.40
5
2
28 Help the Military Recruitment Office!   2 338 12.58
17
1
29 Hash it!   1 1485 21.64
1
1
30 Bytelandian Blingors Network   9 1667 33.52
16
8
31 Fast Multiplication   7 1661 13.29
8
8
32 A Needle in the Haystack   29 3404 35.49
13
11
33 Trip   4 765 19.29
17
23
34 Run Away   205 32.55
35 Equipment Box   2 750 14.01
9
34
36 Secret Code   2 164 24.94
17
26
37 The Proper Key   122 22.19
38 Labyrinth   6 2258 23.52
17
21
39 Piggy-Bank   21 3596 32.74
12
13
40 Lifting the Stone   3 1060 20.89
12
12
41 Play on Words   7 1854 17.58
15
24
42 Adding Reversed Numbers   13 29218 48.11
7
5
43 Copying Books   1043 24.93
44 Substitution Cipher   2 280 15.19
17
17
45 Commedia dell Arte   162 40.56
1
17
47 Skyscraper Floors   1 234 13.99
48 Glass Beads   5 1935 35.71
13
15
49 Hares and Foxes   93 12.51
50 Invitation Cards   3 632 38.10
9
9
51 Fake tournament   7 779 21.99
10
17
54 Julka   20 10697 28.39
19
3

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