list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   297 213648 33.03
4
3
2 Prime Generator   622 78485 16.00
15
13
3 Substring Check (Bug Funny)   8 1064 7.63
42
16
4 Transform the Expression   258 42822 49.20
12
11
5 The Next Palindrome   452 19947 10.73
25
18
6 Simple Arithmetics   11 3007 12.34
30
9
7 The Bulk!   6 498 16.06
30
24
8 Complete the Sequence!   32 4375 37.85
16
18
9 Direct Visibility   4 250 11.95
30
21
10 Complicated Expressions   11 1540 32.18
16
16
11 Factorial   174 58089 44.93
6
12
12 The Game of Master-Mind   1 745 48.52
17
17
13 Hotline   2 194 16.42
34
23
14 I-Keyboard   6 1264 43.46
24
23
15 The Shortest Path   156 7471 24.10
17
12
16 Sphere in a tetrahedron   12 3480 56.46
11
16
17 The Bytelandian Cryptographer (Act I)   8 1344 41.84
15
26
18 The Bytelandian Cryptographer (Act II)   4 664 29.92
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 37.90
17
26
20 The Bytelandian Cryptographer (Act IV)   2 55 26.87
21
34
22 Triangle From Centroid   9 2635 46.63
9
22
23 Pyramids   -20 5598 36.93
9
15
24 Small factorials   153 49438 29.66
15
9
25 Pouring water   100 5351 24.15
19
22
26 Build the Fence   37 2206 28.19
22
17
27 Sorting Bank Accounts   53 8738 40.43
11
6
28 Help the Military Recruitment Office!   6 774 16.11
12
9
29 Hash it!   14 3579 24.18
14
8
30 Bytelandian Blingors Network   54 3718 39.05
14
10
31 Fast Multiplication   48 8650 20.65
15
12
32 A Needle in the Haystack   193 10862 38.18
15
14
33 Trip   18 1945 25.93
25
16
34 Run Away   2 472 21.95
26
34
35 Equipment Box   6 1296 14.61
7
20
36 Secret Code   6 539 36.72
17
17
37 The Proper Key   1 135 15.56
17
17
38 Labyrinth   97 5286 25.76
17
16
39 Piggy-Bank   139 8084 35.46
14
16
40 Lifting the Stone   6 1596 23.52
13
16
41 Play on Words   42 3208 19.39
21
24
42 Adding Reversed Numbers   103 76265 48.39
6
4
43 Copying Books   45 2724 25.52
19
19
44 Substitution Cipher   2 320 13.50
17
17
45 Commedia dell Arte   2 235 34.39
5
26
47 Skyscraper Floors   6 282 12.67
24
17
48 Glass Beads   28 3359 37.79
15
18
49 Hares and Foxes   1 107 7.99
17
26
50 Invitation Cards   29 1718 43.00
16
18
51 Fake tournament   42 1787 27.30
18
19
54 Julka   163 22920 27.44
19
6

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