list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   143 108142 32.95
3
3
2 Prime Generator   254 34103 15.27
17
15
3 Substring Check (Bug Funny)   1 743 10.56
41
9
4 Transform the Expression   79 21837 49.04
11
11
5 The Next Palindrome   194 11055 9.97
24
19
6 Simple Arithmetics   2 1914 12.30
31
8
7 The Bulk!   3 321 27.03
30
17
8 Complete the Sequence!   15 1939 32.60
14
15
9 Direct Visibility   192 18.46
10 Complicated Expressions   3 671 26.13
12
6
11 Factorial   77 31002 45.76
6
12
12 The Game of Master-Mind   211 43.21
13 Hotline   149 27.72
14 I-Keyboard   4 718 37.35
26
23
15 The Shortest Path   46 3016 21.39
21
15
16 Sphere in a tetrahedron   7 1995 58.38
10
10
17 The Bytelandian Cryptographer (Act I)   5 702 32.41
12
23
18 The Bytelandian Cryptographer (Act II)   1 602 37.11
28
1
19 The Bytelandian Cryptographer (Act III)   1 120 42.36
17
17
20 The Bytelandian Cryptographer (Act IV)   38 21.88
28
34
22 Triangle From Centroid   6 1349 43.21
6
17
23 Pyramids   -18 3569 37.08
7
13
24 Small factorials   66 25464 30.23
15
9
25 Pouring water   39 2863 21.32
18
20
26 Build the Fence   24 1324 30.97
22
16
27 Sorting Bank Accounts   23 4712 40.44
9
6
28 Help the Military Recruitment Office!   2 396 12.87
13
1
29 Hash it!   5 1763 21.42
9
4
30 Bytelandian Blingors Network   25 2163 35.11
16
9
31 Fast Multiplication   25 2910 15.57
11
12
32 A Needle in the Haystack   77 4961 36.30
15
13
33 Trip   12 975 20.31
26
14
34 Run Away   220 33.01
35 Equipment Box   2 822 13.83
13
21
36 Secret Code   4 178 24.51
17
26
37 The Proper Key   1 126 21.95
17
17
38 Labyrinth   34 3104 24.30
18
16
39 Piggy-Bank   62 4729 33.39
15
16
40 Lifting the Stone   3 1207 21.63
17
20
41 Play on Words   19 2105 17.71
17
23
42 Adding Reversed Numbers   42 37523 48.27
6
4
43 Copying Books   10 1396 24.53
17
20
44 Substitution Cipher   1 294 15.37
17
17
45 Commedia dell Arte   190 38.86
1
17
47 Skyscraper Floors   2 242 13.61
17
17
48 Glass Beads   17 2243 35.94
15
18
49 Hares and Foxes   -1 96 10.83
50 Invitation Cards   14 825 39.46
16
17
51 Fake tournament   21 1026 23.78
12
16
54 Julka   64 13298 28.04
19
6

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