list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   146 109331 32.90
3
3
2 Prime Generator   265 34536 15.29
17
15
3 Substring Check (Bug Funny)   1 747 10.48
41
9
4 Transform the Expression   79 22081 48.89
11
11
5 The Next Palindrome   197 11145 9.98
24
19
6 Simple Arithmetics   3 1925 12.29
31
8
7 The Bulk!   3 321 27.00
30
17
8 Complete the Sequence!   17 1955 32.63
14
15
9 Direct Visibility   193 18.52
34
34
10 Complicated Expressions   3 674 26.05
12
6
11 Factorial   81 31200 45.73
6
12
12 The Game of Master-Mind   212 43.23
13 Hotline   150 27.84
14 I-Keyboard   4 719 37.34
26
23
15 The Shortest Path   48 3077 21.36
21
14
16 Sphere in a tetrahedron   6 2011 58.37
10
10
17 The Bytelandian Cryptographer (Act I)   5 704 32.46
12
23
18 The Bytelandian Cryptographer (Act II)   1 604 37.11
30
1
19 The Bytelandian Cryptographer (Act III)   1 120 42.36
17
17
20 The Bytelandian Cryptographer (Act IV)   38 21.88
28
34
22 Triangle From Centroid   6 1363 43.36
6
17
23 Pyramids   -20 3587 37.05
7
13
24 Small factorials   68 25630 30.24
15
9
25 Pouring water   40 2883 21.37
18
20
26 Build the Fence   24 1335 31.09
22
16
27 Sorting Bank Accounts   24 4748 40.40
9
6
28 Help the Military Recruitment Office!   2 398 12.89
13
1
29 Hash it!   7 1769 21.43
10
3
30 Bytelandian Blingors Network   25 2192 35.18
16
9
31 Fast Multiplication   25 2944 15.64
12
11
32 A Needle in the Haystack   77 5006 36.30
15
13
33 Trip   12 979 20.35
26
14
34 Run Away   221 33.07
35 Equipment Box   2 825 13.78
13
21
36 Secret Code   4 178 24.51
17
26
37 The Proper Key   1 126 21.95
17
17
38 Labyrinth   36 3128 24.30
18
16
39 Piggy-Bank   62 4764 33.47
15
16
40 Lifting the Stone   3 1209 21.63
17
20
41 Play on Words   20 2117 17.74
18
24
42 Adding Reversed Numbers   42 37849 48.20
6
4
43 Copying Books   12 1403 24.63
16
21
44 Substitution Cipher   1 294 15.36
17
17
45 Commedia dell Arte   190 38.86
1
17
47 Skyscraper Floors   2 242 13.61
17
17
48 Glass Beads   19 2254 35.94
15
18
49 Hares and Foxes   -1 96 10.81
50 Invitation Cards   15 833 39.56
16
17
51 Fake tournament   21 1029 23.78
12
16
54 Julka   64 13375 27.97
19
6

Most popular tags