list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   190 125425 32.97
3
3
2 Prime Generator   356 40843 15.45
16
14
3 Substring Check (Bug Funny)   -1 814 10.24
42
12
4 Transform the Expression   118 25258 48.69
11
11
5 The Next Palindrome   280 12723 10.12
24
19
6 Simple Arithmetics   7 2077 12.29
31
8
7 The Bulk!   3 341 26.36
30
17
8 Complete the Sequence!   20 2131 33.16
15
17
9 Direct Visibility   204 18.37
34
34
10 Complicated Expressions   6 710 26.23
12
11
11 Factorial   98 34785 45.89
6
12
12 The Game of Master-Mind   231 43.76
13 Hotline   157 27.99
14 I-Keyboard   4 739 37.18
26
23
15 The Shortest Path   72 3693 21.93
19
13
16 Sphere in a tetrahedron   7 2150 58.50
11
12
17 The Bytelandian Cryptographer (Act I)   5 742 32.91
12
23
18 The Bytelandian Cryptographer (Act II)   2 630 36.90
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.59
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.40
28
34
22 Triangle From Centroid   7 1433 43.60
8
19
23 Pyramids   -22 3790 36.30
9
14
24 Small factorials   79 28471 30.27
14
8
25 Pouring water   56 3283 21.95
18
21
26 Build the Fence   27 1536 31.64
23
17
27 Sorting Bank Accounts   29 5481 40.50
10
7
28 Help the Military Recruitment Office!   3 432 12.98
11
1
29 Hash it!   9 2070 21.26
12
4
30 Bytelandian Blingors Network   37 2507 36.32
14
8
31 Fast Multiplication   31 3581 16.60
14
14
32 A Needle in the Haystack   102 5836 36.83
15
14
33 Trip   12 1087 20.75
26
14
34 Run Away   1 244 34.07
17
34
35 Equipment Box   2 854 13.71
13
21
36 Secret Code   5 180 23.76
17
17
37 The Proper Key   1 126 21.55
17
17
38 Labyrinth   47 3532 24.46
19
16
39 Piggy-Bank   84 5358 34.09
13
16
40 Lifting the Stone   4 1263 21.73
15
17
41 Play on Words   26 2286 17.94
21
26
42 Adding Reversed Numbers   52 42471 48.55
7
4
43 Copying Books   24 1590 24.06
18
19
44 Substitution Cipher   1 296 15.27
17
17
45 Commedia dell Arte   196 38.64
1
17
47 Skyscraper Floors   2 248 13.37
17
17
48 Glass Beads   22 2377 36.41
15
17
49 Hares and Foxes   -1 97 10.59
50 Invitation Cards   20 955 41.23
17
17
51 Fake tournament   26 1137 24.17
13
17
54 Julka   85 14637 27.65
19
6

Most popular tags