list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   297 213130 33.02
4
3
2 Prime Generator   621 78204 15.98
15
13
3 Substring Check (Bug Funny)   8 1064 7.67
42
16
4 Transform the Expression   258 42734 49.19
12
11
5 The Next Palindrome   452 19914 10.73
25
18
6 Simple Arithmetics   11 3003 12.35
30
9
7 The Bulk!   6 497 16.10
30
24
8 Complete the Sequence!   32 4367 37.91
16
18
9 Direct Visibility   4 249 11.98
30
21
10 Complicated Expressions   11 1537 32.18
16
16
11 Factorial   174 57951 44.92
6
12
12 The Game of Master-Mind   1 737 48.83
17
17
13 Hotline   2 193 16.32
34
23
14 I-Keyboard   6 1257 43.50
24
23
15 The Shortest Path   156 7460 24.12
17
12
16 Sphere in a tetrahedron   12 3475 56.50
11
16
17 The Bytelandian Cryptographer (Act I)   8 1343 41.88
15
26
18 The Bytelandian Cryptographer (Act II)   4 663 30.00
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 37.90
17
26
20 The Bytelandian Cryptographer (Act IV)   2 55 25.07
21
34
22 Triangle From Centroid   9 2629 46.63
9
22
23 Pyramids   -20 5595 36.96
9
15
24 Small factorials   153 49316 29.70
15
9
25 Pouring water   100 5330 24.11
19
22
26 Build the Fence   37 2197 28.30
22
17
27 Sorting Bank Accounts   53 8685 40.49
11
6
28 Help the Military Recruitment Office!   6 772 16.10
12
9
29 Hash it!   14 3567 24.18
14
8
30 Bytelandian Blingors Network   54 3716 39.05
14
10
31 Fast Multiplication   48 8614 20.64
15
12
32 A Needle in the Haystack   192 10814 38.18
15
13
33 Trip   18 1938 25.94
25
16
34 Run Away   2 468 21.93
26
34
35 Equipment Box   6 1296 14.63
7
20
36 Secret Code   6 535 36.66
17
17
37 The Proper Key   1 135 15.63
17
17
38 Labyrinth   97 5282 25.76
17
16
39 Piggy-Bank   139 8069 35.44
14
16
40 Lifting the Stone   6 1592 23.51
13
16
41 Play on Words   42 3204 19.39
21
24
42 Adding Reversed Numbers   103 75864 48.42
6
4
43 Copying Books   45 2721 25.54
19
19
44 Substitution Cipher   2 319 13.50
17
17
45 Commedia dell Arte   1 234 34.52
6
23
47 Skyscraper Floors   5 281 12.65
26
17
48 Glass Beads   27 3350 37.78
15
17
49 Hares and Foxes   1 106 8.04
17
26
50 Invitation Cards   29 1714 43.03
16
18
51 Fake tournament   42 1786 27.31
18
19
54 Julka   161 22877 27.42
19
6

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