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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   221 135722 33.10
3
3
2 Prime Generator   409 44803 15.48
16
14
3 Substring Check (Bug Funny)   1 852 10.09
42
12
4 Transform the Expression   156 27432 48.82
12
11
5 The Next Palindrome   317 13662 10.15
25
19
6 Simple Arithmetics   10 2158 12.23
33
8
7 The Bulk!   3 353 25.75
30
17
8 Complete the Sequence!   23 2276 33.64
15
17
9 Direct Visibility   206 17.72
34
34
10 Complicated Expressions   8 736 25.87
15
13
11 Factorial   118 37076 45.93
5
12
12 The Game of Master-Mind   237 45.81
13 Hotline   159 27.37
14 I-Keyboard   4 752 37.00
28
26
15 The Shortest Path   78 4091 22.42
19
13
16 Sphere in a tetrahedron   8 2236 58.22
10
15
17 The Bytelandian Cryptographer (Act I)   7 762 33.13
13
21
18 The Bytelandian Cryptographer (Act II)   2 633 36.28
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.59
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.19
28
34
22 Triangle From Centroid   7 1478 43.98
8
19
23 Pyramids   -21 3916 35.73
11
14
24 Small factorials   96 30364 30.40
15
9
25 Pouring water   61 3499 22.18
18
21
26 Build the Fence   30 1608 31.93
22
17
27 Sorting Bank Accounts   35 5773 40.63
10
7
28 Help the Military Recruitment Office!   4 456 13.35
15
6
29 Hash it!   10 2159 21.25
13
5
30 Bytelandian Blingors Network   38 2675 36.93
13
8
31 Fast Multiplication   37 3997 17.29
14
14
32 A Needle in the Haystack   112 6279 37.18
14
13
33 Trip   12 1139 20.82
26
14
34 Run Away   1 255 34.13
17
34
35 Equipment Box   2 871 13.66
13
21
36 Secret Code   6 187 24.20
17
17
37 The Proper Key   1 127 21.63
17
17
38 Labyrinth   54 3818 24.75
19
16
39 Piggy-Bank   98 5675 34.19
13
15
40 Lifting the Stone   4 1287 21.77
15
17
41 Play on Words   29 2369 18.07
21
26
42 Adding Reversed Numbers   68 45445 48.63
6
5
43 Copying Books   26 1672 24.08
19
19
44 Substitution Cipher   2 298 15.21
17
17
45 Commedia dell Arte   199 38.87
1
17
47 Skyscraper Floors   3 252 13.39
17
17
48 Glass Beads   22 2449 36.76
15
17
49 Hares and Foxes   -1 97 10.34
50 Invitation Cards   23 1022 41.63
17
18
51 Fake tournament   31 1214 24.68
15
18
54 Julka   106 15543 27.54
19
6

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