list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   304 222004 33.15
4
3
2 Prime Generator   630 82452 16.26
15
14
3 Substring Check (Bug Funny)   9 1080 7.08
40
15
4 Transform the Expression   258 44150 49.40
12
11
5 The Next Palindrome   452 20547 10.78
25
18
6 Simple Arithmetics   12 3063 12.02
30
9
7 The Bulk!   6 530 15.03
30
24
8 Complete the Sequence!   32 4483 36.78
16
18
9 Direct Visibility   4 264 11.66
30
21
10 Complicated Expressions   11 1573 31.65
17
17
11 Factorial   175 60258 45.08
6
12
12 The Game of Master-Mind   1 783 44.30
17
17
13 Hotline   2 212 16.25
34
23
14 I-Keyboard   8 1302 42.80
24
21
15 The Shortest Path   157 7673 24.06
17
12
16 Sphere in a tetrahedron   12 3539 55.32
11
16
17 The Bytelandian Cryptographer (Act I)   9 1384 41.44
15
26
18 The Bytelandian Cryptographer (Act II)   4 666 28.42
25
1
19 The Bytelandian Cryptographer (Act III)   1 129 34.30
17
26
20 The Bytelandian Cryptographer (Act IV)   2 57 25.82
21
34
22 Triangle From Centroid   10 2696 45.30
8
20
23 Pyramids   -20 5711 36.68
9
15
24 Small factorials   154 51152 29.62
15
9
25 Pouring water   100 5540 24.32
19
22
26 Build the Fence   37 2249 28.07
22
17
27 Sorting Bank Accounts   53 8942 40.33
11
6
28 Help the Military Recruitment Office!   8 795 16.18
12
9
29 Hash it!   14 3643 24.15
14
8
30 Bytelandian Blingors Network   54 3776 39.23
14
10
31 Fast Multiplication   49 9007 20.73
15
12
32 A Needle in the Haystack   193 11298 38.33
15
14
33 Trip   17 2049 26.36
25
16
34 Run Away   2 528 22.22
26
34
35 Equipment Box   6 1326 14.48
8
21
36 Secret Code   6 550 35.43
17
17
37 The Proper Key   1 139 13.83
17
17
38 Labyrinth   98 5349 25.80
18
16
39 Piggy-Bank   140 8220 35.49
14
16
40 Lifting the Stone   6 1642 23.74
13
16
41 Play on Words   43 3299 19.56
21
24
42 Adding Reversed Numbers   103 86607 48.67
6
4
43 Copying Books   45 2827 25.74
19
19
44 Substitution Cipher   3 332 13.61
17
17
45 Commedia dell Arte   2 248 32.68
5
26
47 Skyscraper Floors   8 291 12.64
22
22
48 Glass Beads   29 3456 38.00
15
18
49 Hares and Foxes   1 112 7.61
17
26
50 Invitation Cards   29 1769 42.99
16
18
51 Fake tournament   43 1810 26.95
18
19
54 Julka   163 23374 27.52
19
6

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