list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   274 173036 32.35
3
3
2 Prime Generator   564 59879 15.20
15
14
3 Substring Check (Bug Funny)   4 1006 9.80
42
16
4 Transform the Expression   240 34844 48.24
12
11
5 The Next Palindrome   434 16509 10.26
25
18
6 Simple Arithmetics   11 2453 12.43
32
10
7 The Bulk!   4 377 21.35
29
20
8 Complete the Sequence!   29 2850 34.51
16
19
9 Direct Visibility   1 217 15.78
21
26
10 Complicated Expressions   10 941 27.56
16
16
11 Factorial   160 45545 44.88
5
12
12 The Game of Master-Mind   311 43.80
13 Hotline   168 22.83
14 I-Keyboard   5 807 37.07
28
26
15 The Shortest Path   138 5632 23.11
16
12
16 Sphere in a tetrahedron   11 2500 56.51
12
14
17 The Bytelandian Cryptographer (Act I)   8 858 34.32
17
24
18 The Bytelandian Cryptographer (Act II)   4 651 33.76
25
1
19 The Bytelandian Cryptographer (Act III)   1 124 40.77
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.75
28
34
22 Triangle From Centroid   9 1674 43.18
8
21
23 Pyramids   -24 4327 34.53
9
14
24 Small factorials   146 37568 29.87
15
9
25 Pouring water   91 4236 22.76
18
22
26 Build the Fence   36 1878 30.72
22
17
27 Sorting Bank Accounts   49 6944 39.95
11
6
28 Help the Military Recruitment Office!   6 497 13.53
12
8
29 Hash it!   12 2657 22.23
15
7
30 Bytelandian Blingors Network   54 3236 37.22
14
10
31 Fast Multiplication   46 5522 18.31
15
12
32 A Needle in the Haystack   164 8089 36.53
14
13
33 Trip   17 1373 22.51
25
15
34 Run Away   2 280 25.89
26
34
35 Equipment Box   5 960 13.13
8
20
36 Secret Code   6 232 26.46
17
17
37 The Proper Key   1 128 19.20
17
17
38 Labyrinth   93 4636 24.68
18
16
39 Piggy-Bank   133 6659 33.53
14
16
40 Lifting the Stone   6 1357 21.83
14
17
41 Play on Words   41 2687 18.26
21
24
42 Adding Reversed Numbers   93 56077 48.16
6
4
43 Copying Books   39 1985 23.16
19
19
44 Substitution Cipher   2 304 14.97
17
17
45 Commedia dell Arte   207 38.26
1
17
47 Skyscraper Floors   5 263 13.14
28
17
48 Glass Beads   24 2661 35.08
15
17
49 Hares and Foxes   -1 102 10.01
50 Invitation Cards   29 1207 39.09
16
19
51 Fake tournament   41 1362 24.95
18
20
54 Julka   155 18182 26.72
19
6

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