list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   303 221402 33.15
4
3
2 Prime Generator   630 82168 16.24
15
14
3 Substring Check (Bug Funny)   8 1074 7.07
42
16
4 Transform the Expression   258 44042 49.37
12
11
5 The Next Palindrome   452 20481 10.76
25
18
6 Simple Arithmetics   12 3053 12.01
30
9
7 The Bulk!   6 525 15.08
30
24
8 Complete the Sequence!   32 4470 36.84
16
18
9 Direct Visibility   4 262 11.65
30
21
10 Complicated Expressions   11 1568 31.67
17
17
11 Factorial   175 60107 45.05
6
12
12 The Game of Master-Mind   1 777 44.47
17
17
13 Hotline   2 211 16.36
34
23
14 I-Keyboard   8 1295 42.73
24
21
15 The Shortest Path   157 7647 24.04
17
12
16 Sphere in a tetrahedron   12 3534 55.35
11
16
17 The Bytelandian Cryptographer (Act I)   9 1379 41.59
15
26
18 The Bytelandian Cryptographer (Act II)   4 665 28.54
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 34.90
17
26
20 The Bytelandian Cryptographer (Act IV)   2 57 25.93
21
34
22 Triangle From Centroid   10 2693 45.64
8
20
23 Pyramids   -20 5704 36.72
9
15
24 Small factorials   154 51050 29.60
15
9
25 Pouring water   100 5521 24.32
19
22
26 Build the Fence   37 2242 28.03
22
17
27 Sorting Bank Accounts   53 8903 40.31
11
6
28 Help the Military Recruitment Office!   8 792 16.13
12
9
29 Hash it!   14 3642 24.15
14
8
30 Bytelandian Blingors Network   54 3769 39.20
14
10
31 Fast Multiplication   48 8990 20.74
15
12
32 A Needle in the Haystack   193 11257 38.33
15
14
33 Trip   17 2043 26.35
25
16
34 Run Away   2 524 21.72
26
34
35 Equipment Box   6 1324 14.49
8
21
36 Secret Code   6 549 35.54
17
17
37 The Proper Key   1 137 13.91
17
17
38 Labyrinth   98 5333 25.78
18
16
39 Piggy-Bank   140 8205 35.47
14
16
40 Lifting the Stone   6 1634 23.68
13
16
41 Play on Words   43 3285 19.52
21
24
42 Adding Reversed Numbers   103 84454 48.50
6
4
43 Copying Books   45 2817 25.74
19
19
44 Substitution Cipher   3 332 13.63
17
17
45 Commedia dell Arte   2 247 32.86
5
26
47 Skyscraper Floors   8 290 12.65
22
22
48 Glass Beads   29 3449 38.03
15
18
49 Hares and Foxes   1 109 7.55
17
26
50 Invitation Cards   29 1760 42.97
16
18
51 Fake tournament   43 1807 26.95
18
19
54 Julka   163 23338 27.51
19
6

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