list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   182 121726 32.85
3
3
2 Prime Generator   338 39521 15.39
16
14
3 Substring Check (Bug Funny)   -1 796 10.23
42
12
4 Transform the Expression   111 24488 48.51
11
11
5 The Next Palindrome   255 12427 10.07
25
19
6 Simple Arithmetics   5 2043 12.29
31
7
7 The Bulk!   3 335 26.47
30
17
8 Complete the Sequence!   19 2089 32.98
15
17
9 Direct Visibility   201 18.69
34
34
10 Complicated Expressions   5 702 26.17
14
9
11 Factorial   96 33947 45.80
6
12
12 The Game of Master-Mind   227 43.62
13 Hotline   156 28.19
14 I-Keyboard   4 732 37.22
26
23
15 The Shortest Path   67 3533 21.84
19
13
16 Sphere in a tetrahedron   6 2114 58.36
11
12
17 The Bytelandian Cryptographer (Act I)   5 733 33.03
12
23
18 The Bytelandian Cryptographer (Act II)   2 625 36.93
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.85
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.65
28
34
22 Triangle From Centroid   7 1414 43.45
8
19
23 Pyramids   -20 3753 36.46
9
14
24 Small factorials   78 27869 30.14
14
8
25 Pouring water   49 3197 21.83
17
21
26 Build the Fence   26 1506 31.57
23
17
27 Sorting Bank Accounts   29 5343 40.48
10
7
28 Help the Military Recruitment Office!   3 421 12.90
11
1
29 Hash it!   9 1965 21.10
12
4
30 Bytelandian Blingors Network   33 2425 36.12
14
9
31 Fast Multiplication   29 3448 16.39
14
13
32 A Needle in the Haystack   95 5650 36.73
14
13
33 Trip   11 1037 20.36
27
13
34 Run Away   1 235 33.71
17
34
35 Equipment Box   2 848 13.65
13
21
36 Secret Code   5 179 23.85
17
17
37 The Proper Key   1 125 21.43
17
17
38 Labyrinth   46 3454 24.40
19
16
39 Piggy-Bank   83 5219 33.88
14
16
40 Lifting the Stone   4 1256 21.68
15
17
41 Play on Words   26 2265 17.87
20
27
42 Adding Reversed Numbers   54 41534 48.43
6
4
43 Copying Books   21 1561 24.14
18
19
44 Substitution Cipher   1 296 15.37
17
17
45 Commedia dell Arte   195 39.11
1
17
47 Skyscraper Floors   2 244 13.44
17
17
48 Glass Beads   22 2349 36.32
15
17
49 Hares and Foxes   -1 97 10.65
50 Invitation Cards   19 919 41.05
16
16
51 Fake tournament   24 1120 24.09
15
18
54 Julka   79 14376 27.78
19
6

Most popular tags