list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   229 142182 33.17
3
3
2 Prime Generator   436 47378 15.55
15
14
3 Substring Check (Bug Funny)   1 885 10.09
43
13
4 Transform the Expression   173 28864 49.07
12
11
5 The Next Palindrome   342 14195 10.20
25
19
6 Simple Arithmetics   11 2220 12.20
32
7
7 The Bulk!   3 358 25.40
30
17
8 Complete the Sequence!   24 2382 33.69
16
17
9 Direct Visibility   208 16.97
34
34
10 Complicated Expressions   8 756 25.59
15
13
11 Factorial   127 38486 45.92
5
12
12 The Game of Master-Mind   240 45.74
13 Hotline   162 27.19
14 I-Keyboard   4 761 37.07
28
26
15 The Shortest Path   86 4359 22.70
18
13
16 Sphere in a tetrahedron   10 2273 58.09
11
14
17 The Bytelandian Cryptographer (Act I)   7 776 33.22
13
21
18 The Bytelandian Cryptographer (Act II)   2 634 35.81
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.21
17
17
20 The Bytelandian Cryptographer (Act IV)   1 42 25.18
28
34
22 Triangle From Centroid   7 1498 43.82
8
19
23 Pyramids   -21 3993 35.58
11
14
24 Small factorials   107 31513 30.42
15
9
25 Pouring water   66 3622 22.35
18
21
26 Build the Fence   31 1676 32.44
22
17
27 Sorting Bank Accounts   39 5987 40.62
11
7
28 Help the Military Recruitment Office!   4 462 13.39
15
6
29 Hash it!   10 2226 21.10
13
5
30 Bytelandian Blingors Network   42 2774 37.32
14
8
31 Fast Multiplication   38 4240 17.68
14
13
32 A Needle in the Haystack   114 6550 37.46
14
13
33 Trip   13 1183 21.56
24
15
34 Run Away   1 261 33.87
17
34
35 Equipment Box   2 885 13.62
13
21
36 Secret Code   6 189 24.11
17
17
37 The Proper Key   1 128 21.30
17
17
38 Labyrinth   59 4011 24.92
18
16
39 Piggy-Bank   111 5869 34.32
14
16
40 Lifting the Stone   4 1300 21.83
15
17
41 Play on Words   32 2419 18.11
22
25
42 Adding Reversed Numbers   75 47500 48.65
6
5
43 Copying Books   26 1713 23.96
19
19
44 Substitution Cipher   2 299 15.18
17
17
45 Commedia dell Arte   199 38.62
1
17
47 Skyscraper Floors   3 258 13.40
17
17
48 Glass Beads   23 2481 36.87
15
17
49 Hares and Foxes   -1 99 10.39
50 Invitation Cards   23 1057 42.02
17
18
51 Fake tournament   32 1242 24.79
15
18
54 Julka   121 16032 27.38
19
6

Most popular tags