list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   248 151606 33.26
3
3
2 Prime Generator   465 50812 15.55
15
14
3 Substring Check (Bug Funny)   5 923 10.17
41
13
4 Transform the Expression   199 30684 49.16
11
11
5 The Next Palindrome   377 14928 10.20
25
19
6 Simple Arithmetics   12 2309 12.40
31
8
7 The Bulk!   3 368 24.33
30
17
8 Complete the Sequence!   26 2509 33.90
16
18
9 Direct Visibility   1 212 16.95
23
23
10 Complicated Expressions   9 787 25.91
16
13
11 Factorial   140 40389 45.87
5
12
12 The Game of Master-Mind   249 46.11
13 Hotline   166 26.26
14 I-Keyboard   4 766 36.95
28
26
15 The Shortest Path   98 4745 23.08
17
13
16 Sphere in a tetrahedron   11 2332 57.98
12
14
17 The Bytelandian Cryptographer (Act I)   9 791 33.37
14
23
18 The Bytelandian Cryptographer (Act II)   3 643 35.29
27
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.09
17
17
20 The Bytelandian Cryptographer (Act IV)   1 45 25.06
28
34
22 Triangle From Centroid   7 1522 43.98
8
20
23 Pyramids   -24 4071 35.95
10
14
24 Small factorials   121 32979 30.30
15
9
25 Pouring water   78 3809 22.39
18
22
26 Build the Fence   33 1728 32.33
22
17
27 Sorting Bank Accounts   43 6208 40.79
12
7
28 Help the Military Recruitment Office!   4 466 13.36
15
6
29 Hash it!   10 2436 21.80
13
5
30 Bytelandian Blingors Network   46 2916 37.43
14
9
31 Fast Multiplication   39 4534 18.18
14
12
32 A Needle in the Haystack   120 6894 37.76
15
14
33 Trip   15 1216 21.78
24
15
34 Run Away   2 269 33.64
26
34
35 Equipment Box   4 908 13.83
9
17
36 Secret Code   6 191 24.16
17
17
37 The Proper Key   1 130 21.19
17
17
38 Labyrinth   67 4188 25.12
18
16
39 Piggy-Bank   115 6059 34.68
14
16
40 Lifting the Stone   5 1317 21.99
16
17
41 Play on Words   36 2508 18.33
21
25
42 Adding Reversed Numbers   78 49682 48.86
6
4
43 Copying Books   28 1763 23.83
19
19
44 Substitution Cipher   2 303 15.25
17
17
45 Commedia dell Arte   203 38.77
1
17
47 Skyscraper Floors   4 260 13.48
26
17
48 Glass Beads   23 2526 37.10
15
17
49 Hares and Foxes   -1 101 10.50
50 Invitation Cards   26 1102 42.26
16
18
51 Fake tournament   35 1285 25.21
16
18
54 Julka   131 16621 27.31
19
6

Most popular tags