list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   37 69883 33.90
2
1
2 Prime Generator   33 21429 16.32
16
12
3 Substring Check (Bug Funny)   490 9.37
50
1
4 Transform the Expression   8 15244 49.70
3
6
5 The Next Palindrome   28 7395 10.16
23
21
6 Simple Arithmetics   1562 12.65
23
9
7 The Bulk!   278 26.37
8 Complete the Sequence!   1 1488 32.87
17
17
9 Direct Visibility   179 19.07
10 Complicated Expressions   581 26.93
11 Factorial   12 22587 45.64
7
9
12 The Game of Master-Mind   178 45.80
13 Hotline   142 29.90
14 I-Keyboard   633 37.30
15 The Shortest Path   3 1826 20.81
26
17
16 Sphere in a tetrahedron   1 1532 57.35
17
34
17 The Bytelandian Cryptographer (Act I)   574 31.56
18 The Bytelandian Cryptographer (Act II)   549 36.95
19 The Bytelandian Cryptographer (Act III)   112 44.17
20 The Bytelandian Cryptographer (Act IV)   1 31 7.32
34
50
22 Triangle From Centroid   1 1069 41.08
1
17
23 Pyramids   -3 2763 36.43
9
9
24 Small factorials   9 18506 30.44
15
8
25 Pouring water   4 1951 19.33
17
1
26 Build the Fence   2 897 29.48
17
17
27 Sorting Bank Accounts   2 3321 40.17
1
1
28 Help the Military Recruitment Office!   327 12.49
29 Hash it!   1403 21.40
30 Bytelandian Blingors Network   3 1547 33.05
17
9
31 Fast Multiplication   1 1328 12.54
1
1
32 A Needle in the Haystack   3 2977 35.14
9
12
33 Trip   727 19.29
34 Run Away   199 31.77
35 Equipment Box   1 704 13.84
1
34
36 Secret Code   1 161 25.53
1
17
37 The Proper Key   120 22.08
38 Labyrinth   2 2096 23.31
17
17
39 Piggy-Bank   5 3267 32.45
13
15
40 Lifting the Stone   2 994 20.59
9
9
41 Play on Words   2 1763 17.63
26
17
42 Adding Reversed Numbers   5 26832 48.06
7
6
43 Copying Books   1008 24.95
44 Substitution Cipher   1 270 14.96
17
17
45 Commedia dell Arte   160 40.65
47 Skyscraper Floors   230 14.04
48 Glass Beads   3 1803 35.67
14
17
49 Hares and Foxes   90 12.85
50 Invitation Cards   1 599 37.38
51 Fake tournament   1 727 21.53
17
34
54 Julka   4 9760 28.38
21
6

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