list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   288 196534 32.73
4
3
2 Prime Generator   608 70466 15.68
15
13
3 Substring Check (Bug Funny)   5 1045 8.75
41
15
4 Transform the Expression   254 39860 48.98
12
11
5 The Next Palindrome   446 19146 10.86
25
18
6 Simple Arithmetics   10 2897 12.72
30
9
7 The Bulk!   5 432 16.83
28
21
8 Complete the Sequence!   30 3986 38.22
16
19
9 Direct Visibility   3 234 12.97
29
22
10 Complicated Expressions   11 1410 31.90
16
17
11 Factorial   169 52733 44.95
6
12
12 The Game of Master-Mind   1 635 51.07
17
17
13 Hotline   2 178 17.51
34
26
14 I-Keyboard   6 1136 42.40
26
24
15 The Shortest Path   155 6932 23.94
16
12
16 Sphere in a tetrahedron   12 3229 58.69
11
16
17 The Bytelandian Cryptographer (Act I)   8 1239 41.26
17
24
18 The Bytelandian Cryptographer (Act II)   4 656 31.89
25
1
19 The Bytelandian Cryptographer (Act III)   1 125 39.77
17
26
20 The Bytelandian Cryptographer (Act IV)   1 50 24.41
28
34
22 Triangle From Centroid   10 2393 46.87
9
22
23 Pyramids   -22 5314 37.16
10
15
24 Small factorials   152 44496 30.11
15
9
25 Pouring water   98 4972 23.94
19
22
26 Build the Fence   37 2116 28.97
22
17
27 Sorting Bank Accounts   53 8187 40.63
11
6
28 Help the Military Recruitment Office!   6 705 15.43
13
8
29 Hash it!   14 3317 23.84
15
9
30 Bytelandian Blingors Network   54 3546 38.37
14
10
31 Fast Multiplication   48 7190 19.60
14
12
32 A Needle in the Haystack   187 9852 37.78
15
13
33 Trip   18 1770 24.94
25
16
34 Run Away   2 373 21.68
26
34
35 Equipment Box   5 1163 14.27
8
20
36 Secret Code   6 454 35.30
17
17
37 The Proper Key   1 135 17.30
17
17
38 Labyrinth   96 5103 25.44
17
16
39 Piggy-Bank   139 7711 35.20
14
16
40 Lifting the Stone   6 1483 22.75
13
16
41 Play on Words   42 3020 19.03
21
24
42 Adding Reversed Numbers   100 65454 48.79
6
4
43 Copying Books   43 2527 25.30
20
19
44 Substitution Cipher   2 309 13.90
17
17
45 Commedia dell Arte   1 217 36.87
1
17
47 Skyscraper Floors   5 269 12.96
28
17
48 Glass Beads   27 3140 37.11
15
17
49 Hares and Foxes   1 104 8.90
17
26
50 Invitation Cards   29 1566 42.66
16
18
51 Fake tournament   41 1679 27.08
18
20
54 Julka   160 21059 27.19
19
6

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