list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   102 91382 33.12
3
2
2 Prime Generator   151 28533 15.54
18
15
3 Substring Check (Bug Funny)   675 11.00
39
10
4 Transform the Expression   44 19046 49.12
8
10
5 The Next Palindrome   118 9484 9.93
24
21
6 Simple Arithmetics   3 1756 12.33
34
11
7 The Bulk!   3 306 27.92
30
17
8 Complete the Sequence!   7 1750 32.74
15
17
9 Direct Visibility   186 18.17
10 Complicated Expressions   1 632 26.57
17
9
11 Factorial   47 27584 45.57
6
11
12 The Game of Master-Mind   201 44.33
13 Hotline   146 29.41
14 I-Keyboard   3 677 37.19
26
26
15 The Shortest Path   24 2415 21.13
21
15
16 Sphere in a tetrahedron   5 1800 58.00
15
10
17 The Bytelandian Cryptographer (Act I)   3 656 32.46
17
17
18 The Bytelandian Cryptographer (Act II)   578 37.24
34
1
19 The Bytelandian Cryptographer (Act III)   118 44.71
20 The Bytelandian Cryptographer (Act IV)   33 7.14
28
34
22 Triangle From Centroid   3 1252 42.66
11
24
23 Pyramids   -14 3266 36.99
5
14
24 Small factorials   39 22617 30.42
15
9
25 Pouring water   20 2446 20.26
16
17
26 Build the Fence   17 1125 30.16
21
15
27 Sorting Bank Accounts   15 4068 40.57
7
5
28 Help the Military Recruitment Office!   1 355 12.66
17
1
29 Hash it!   4 1570 21.33
9
5
30 Bytelandian Blingors Network   14 1896 34.28
17
9
31 Fast Multiplication   16 2285 14.64
9
11
32 A Needle in the Haystack   50 4063 35.96
13
12
33 Trip   6 842 19.85
26
17
34 Run Away   213 32.89
35 Equipment Box   3 782 13.90
6
28
36 Secret Code   2 166 24.69
17
26
37 The Proper Key   124 22.33
38 Labyrinth   19 2549 23.62
18
17
39 Piggy-Bank   36 4152 32.78
13
15
40 Lifting the Stone   3 1133 21.17
17
21
41 Play on Words   13 1955 17.60
17
24
42 Adding Reversed Numbers   26 32984 48.18
6
5
43 Copying Books   2 1172 25.29
17
21
44 Substitution Cipher   2 286 15.29
17
17
45 Commedia dell Arte   165 39.27
1
17
47 Skyscraper Floors   1 239 13.78
48 Glass Beads   11 2089 35.89
15
16
49 Hares and Foxes   95 11.37
50 Invitation Cards   8 691 38.48
17
17
51 Fake tournament   17 892 22.78
13
16
54 Julka   41 11918 28.23
18
5

Most popular tags