list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   168 116020 32.85
3
3
2 Prime Generator   309 37382 15.37
17
15
3 Substring Check (Bug Funny)   772 10.29
42
12
4 Transform the Expression   98 23345 48.71
11
11
5 The Next Palindrome   231 11823 10.01
25
19
6 Simple Arithmetics   4 1986 12.30
31
8
7 The Bulk!   3 328 26.59
30
17
8 Complete the Sequence!   18 2031 32.80
15
16
9 Direct Visibility   196 18.56
34
34
10 Complicated Expressions   3 686 26.14
12
6
11 Factorial   94 32716 45.82
6
12
12 The Game of Master-Mind   221 43.48
13 Hotline   155 28.17
14 I-Keyboard   4 726 37.27
26
23
15 The Shortest Path   61 3319 21.67
20
14
16 Sphere in a tetrahedron   6 2076 58.34
9
12
17 The Bytelandian Cryptographer (Act I)   5 717 32.79
12
23
18 The Bytelandian Cryptographer (Act II)   1 617 37.01
30
1
19 The Bytelandian Cryptographer (Act III)   1 122 41.80
17
17
20 The Bytelandian Cryptographer (Act IV)   39 21.78
28
34
22 Triangle From Centroid   7 1393 43.40
8
19
23 Pyramids   -19 3693 36.70
8
14
24 Small factorials   76 26826 30.15
14
9
25 Pouring water   47 3069 21.68
17
22
26 Build the Fence   25 1408 31.30
23
17
27 Sorting Bank Accounts   27 5111 40.43
10
7
28 Help the Military Recruitment Office!   2 409 12.89
13
1
29 Hash it!   8 1866 21.19
12
4
30 Bytelandian Blingors Network   31 2308 35.44
15
9
31 Fast Multiplication   28 3198 16.10
13
13
32 A Needle in the Haystack   87 5389 36.60
14
13
33 Trip   11 1018 20.44
26
13
34 Run Away   229 33.51
35 Equipment Box   2 840 13.76
13
21
36 Secret Code   5 179 24.26
17
17
37 The Proper Key   1 125 21.73
17
17
38 Labyrinth   39 3291 24.41
18
16
39 Piggy-Bank   77 5023 33.80
14
16
40 Lifting the Stone   4 1234 21.68
15
17
41 Play on Words   23 2197 17.77
21
26
42 Adding Reversed Numbers   48 39769 48.41
6
4
43 Copying Books   19 1493 24.38
17
18
44 Substitution Cipher   1 294 15.32
17
17
45 Commedia dell Arte   190 38.67
1
17
47 Skyscraper Floors   2 243 13.49
17
17
48 Glass Beads   21 2304 36.12
14
17
49 Hares and Foxes   -1 97 10.84
50 Invitation Cards   16 889 40.49
16
17
51 Fake tournament   24 1094 24.03
15
18
54 Julka   72 13904 27.92
19
6

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