list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   193 127647 33.01
3
3
2 Prime Generator   372 41750 15.48
16
14
3 Substring Check (Bug Funny)   1 823 10.16
42
12
4 Transform the Expression   130 25849 48.82
11
11
5 The Next Palindrome   292 12962 10.14
24
19
6 Simple Arithmetics   7 2100 12.27
31
8
7 The Bulk!   3 344 26.09
30
17
8 Complete the Sequence!   20 2177 33.34
15
17
9 Direct Visibility   204 18.20
34
34
10 Complicated Expressions   7 714 26.05
13
9
11 Factorial   104 35332 45.86
5
12
12 The Game of Master-Mind   231 43.71
13 Hotline   157 27.80
14 I-Keyboard   4 742 37.19
26
23
15 The Shortest Path   72 3823 22.24
19
13
16 Sphere in a tetrahedron   7 2188 58.11
10
13
17 The Bytelandian Cryptographer (Act I)   5 751 33.02
12
23
18 The Bytelandian Cryptographer (Act II)   2 632 36.61
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.59
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.32
28
34
22 Triangle From Centroid   7 1444 43.72
8
19
23 Pyramids   -21 3821 36.22
9
14
24 Small factorials   86 28926 30.29
14
8
25 Pouring water   58 3328 22.07
18
21
26 Build the Fence   29 1548 31.69
23
17
27 Sorting Bank Accounts   30 5592 40.55
9
6
28 Help the Military Recruitment Office!   4 438 13.05
15
6
29 Hash it!   9 2119 21.40
12
4
30 Bytelandian Blingors Network   39 2560 36.51
14
8
31 Fast Multiplication   33 3700 16.84
14
13
32 A Needle in the Haystack   104 5940 36.97
15
14
33 Trip   12 1108 20.75
26
14
34 Run Away   1 250 34.12
17
34
35 Equipment Box   2 857 13.71
13
21
36 Secret Code   5 182 23.96
17
17
37 The Proper Key   1 126 21.52
17
17
38 Labyrinth   47 3596 24.56
19
16
39 Piggy-Bank   87 5466 34.02
13
16
40 Lifting the Stone   4 1270 21.77
15
17
41 Play on Words   26 2299 17.87
21
26
42 Adding Reversed Numbers   56 43166 48.62
6
5
43 Copying Books   24 1603 24.08
18
19
44 Substitution Cipher   1 296 15.27
17
17
45 Commedia dell Arte   197 38.67
1
17
47 Skyscraper Floors   2 249 13.28
17
17
48 Glass Beads   22 2398 36.53
15
17
49 Hares and Foxes   -1 97 10.51
50 Invitation Cards   22 979 41.37
17
17
51 Fake tournament   29 1156 24.30
14
17
54 Julka   91 14863 27.61
19
6

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