list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   36 67977 33.90
2
2
2 Prime Generator   18 20685 16.32
16
13
3 Substring Check (Bug Funny)   479 9.32
4 Transform the Expression   5 14954 49.73
2
7
5 The Next Palindrome   18 7194 10.17
23
22
6 Simple Arithmetics   1547 12.68
17
1
7 The Bulk!   276 26.25
8 Complete the Sequence!   1469 32.90
17
17
9 Direct Visibility   177 19.15
10 Complicated Expressions   576 26.83
11 Factorial   6 22167 45.64
7
9
12 The Game of Master-Mind   176 45.71
13 Hotline   141 29.77
14 I-Keyboard   630 37.35
15 The Shortest Path   2 1795 20.62
26
26
16 Sphere in a tetrahedron   1513 57.38
17 The Bytelandian Cryptographer (Act I)   570 31.61
18 The Bytelandian Cryptographer (Act II)   543 36.68
19 The Bytelandian Cryptographer (Act III)   110 43.93
20 The Bytelandian Cryptographer (Act IV)   1 31 7.48
34
50
22 Triangle From Centroid   1060 40.99
23 Pyramids   -2 2738 36.45
1
1
24 Small factorials   5 18173 30.38
13
5
25 Pouring water   2 1920 19.05
17
1
26 Build the Fence   1 888 29.34
17
17
27 Sorting Bank Accounts   2 3258 40.02
1
1
28 Help the Military Recruitment Office!   322 12.45
29 Hash it!   1388 21.40
30 Bytelandian Blingors Network   1 1527 32.83
13
5
31 Fast Multiplication   1241 12.28
1
1
32 A Needle in the Haystack   2931 35.10
9
9
33 Trip   719 18.96
34 Run Away   198 31.71
35 Equipment Box   698 13.79
36 Secret Code   1 160 27.04
1
17
37 The Proper Key   120 22.08
38 Labyrinth   1 2069 23.35
39 Piggy-Bank   2 3215 32.45
17
23
40 Lifting the Stone   2 984 20.58
9
9
41 Play on Words   1 1715 17.59
34
17
42 Adding Reversed Numbers   4 26390 48.06
3
3
43 Copying Books   998 24.86
44 Substitution Cipher   269 14.93
17
17
45 Commedia dell Arte   160 40.65
47 Skyscraper Floors   228 14.03
48 Glass Beads   1 1790 35.69
26
17
49 Hares and Foxes   90 12.88
50 Invitation Cards   1 594 37.29
51 Fake tournament   1 703 21.57
17
34
54 Julka   2 9618 28.40
17
1

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