list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   226 138995 33.12
3
3
2 Prime Generator   425 46091 15.51
16
14
3 Substring Check (Bug Funny)   870 10.07
43
11
4 Transform the Expression   164 28162 48.93
12
11
5 The Next Palindrome   330 13943 10.18
25
19
6 Simple Arithmetics   11 2195 12.19
33
8
7 The Bulk!   3 357 25.46
30
17
8 Complete the Sequence!   24 2333 33.64
16
17
9 Direct Visibility   208 17.59
34
34
10 Complicated Expressions   8 747 25.93
15
13
11 Factorial   123 37818 45.92
5
12
12 The Game of Master-Mind   240 45.89
13 Hotline   160 27.22
14 I-Keyboard   4 757 37.03
28
26
15 The Shortest Path   83 4232 22.59
19
13
16 Sphere in a tetrahedron   9 2260 58.14
11
14
17 The Bytelandian Cryptographer (Act I)   7 774 33.35
13
21
18 The Bytelandian Cryptographer (Act II)   2 633 36.02
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.59
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.14
28
34
22 Triangle From Centroid   7 1496 44.01
8
19
23 Pyramids   -22 3956 35.60
11
14
24 Small factorials   99 30955 30.42
15
9
25 Pouring water   66 3565 22.28
18
21
26 Build the Fence   30 1662 32.44
22
17
27 Sorting Bank Accounts   37 5889 40.60
11
7
28 Help the Military Recruitment Office!   4 461 13.39
15
6
29 Hash it!   10 2190 21.28
13
5
30 Bytelandian Blingors Network   41 2727 37.11
14
9
31 Fast Multiplication   37 4116 17.39
14
13
32 A Needle in the Haystack   111 6393 37.29
14
13
33 Trip   12 1149 20.89
26
14
34 Run Away   1 257 34.05
17
34
35 Equipment Box   2 880 13.67
13
21
36 Secret Code   6 189 24.25
17
17
37 The Proper Key   1 128 21.33
17
17
38 Labyrinth   56 3918 24.87
18
16
39 Piggy-Bank   107 5771 34.20
13
16
40 Lifting the Stone   4 1295 21.82
15
17
41 Play on Words   30 2390 18.10
21
26
42 Adding Reversed Numbers   70 46462 48.56
6
5
43 Copying Books   26 1690 23.97
19
19
44 Substitution Cipher   2 298 15.19
17
17
45 Commedia dell Arte   199 38.75
1
17
47 Skyscraper Floors   3 256 13.48
17
17
48 Glass Beads   22 2465 36.84
15
17
49 Hares and Foxes   -1 99 10.39
50 Invitation Cards   23 1036 41.66
17
18
51 Fake tournament   31 1231 24.74
15
18
54 Julka   118 15806 27.46
19
6

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