list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   106 92172 33.11
3
2
2 Prime Generator   155 28817 15.51
18
15
3 Substring Check (Bug Funny)   681 11.00
39
10
4 Transform the Expression   45 19214 49.10
8
10
5 The Next Palindrome   118 9562 9.95
24
21
6 Simple Arithmetics   3 1761 12.32
34
11
7 The Bulk!   3 307 27.95
30
17
8 Complete the Sequence!   8 1758 32.77
17
17
9 Direct Visibility   186 18.17
10 Complicated Expressions   1 635 26.47
17
9
11 Factorial   48 27763 45.59
6
10
12 The Game of Master-Mind   201 44.33
13 Hotline   146 29.41
14 I-Keyboard   3 682 37.30
26
26
15 The Shortest Path   25 2446 21.00
21
15
16 Sphere in a tetrahedron   6 1811 57.95
13
9
17 The Bytelandian Cryptographer (Act I)   3 658 32.19
17
17
18 The Bytelandian Cryptographer (Act II)   -1 581 37.32
34
1
19 The Bytelandian Cryptographer (Act III)   118 44.71
20 The Bytelandian Cryptographer (Act IV)   33 7.14
28
34
22 Triangle From Centroid   4 1255 42.62
9
23
23 Pyramids   -13 3292 37.04
5
13
24 Small factorials   42 22765 30.43
15
9
25 Pouring water   21 2468 20.30
16
17
26 Build the Fence   18 1141 30.24
22
15
27 Sorting Bank Accounts   16 4103 40.52
7
5
28 Help the Military Recruitment Office!   1 356 12.67
17
1
29 Hash it!   4 1602 21.36
9
5
30 Bytelandian Blingors Network   15 1909 34.34
17
10
31 Fast Multiplication   17 2313 14.69
11
12
32 A Needle in the Haystack   51 4117 35.91
13
12
33 Trip   6 849 19.88
26
17
34 Run Away   213 32.89
35 Equipment Box   3 782 13.86
6
28
36 Secret Code   2 167 24.73
17
26
37 The Proper Key   124 22.33
38 Labyrinth   19 2585 23.67
18
17
39 Piggy-Bank   39 4178 32.80
13
14
40 Lifting the Stone   3 1133 21.26
17
21
41 Play on Words   13 1962 17.61
17
24
42 Adding Reversed Numbers   28 33207 48.16
6
5
43 Copying Books   3 1178 25.34
14
24
44 Substitution Cipher   2 286 15.29
17
17
45 Commedia dell Arte   165 39.27
1
17
47 Skyscraper Floors   1 239 13.78
48 Glass Beads   12 2100 35.85
14
16
49 Hares and Foxes   95 11.38
50 Invitation Cards   8 696 38.53
17
17
51 Fake tournament   17 905 22.87
13
16
54 Julka   42 11988 28.22
18
5

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