list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   143 107919 32.95
3
3
2 Prime Generator   253 34038 15.28
17
15
3 Substring Check (Bug Funny)   1 743 10.57
41
9
4 Transform the Expression   78 21790 49.04
11
11
5 The Next Palindrome   194 11037 9.97
24
19
6 Simple Arithmetics   2 1911 12.29
31
8
7 The Bulk!   3 321 27.04
30
17
8 Complete the Sequence!   15 1933 32.56
14
15
9 Direct Visibility   192 18.46
10 Complicated Expressions   3 670 26.11
12
6
11 Factorial   77 30970 45.77
6
12
12 The Game of Master-Mind   211 43.26
13 Hotline   149 27.72
14 I-Keyboard   4 718 37.35
26
23
15 The Shortest Path   45 3002 21.45
21
15
16 Sphere in a tetrahedron   7 1992 58.40
10
10
17 The Bytelandian Cryptographer (Act I)   5 701 32.41
12
23
18 The Bytelandian Cryptographer (Act II)   1 601 37.15
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 1347 43.18
6
17
23 Pyramids   -18 3567 37.14
7
13
24 Small factorials   65 25437 30.24
15
9
25 Pouring water   40 2856 21.31
17
19
26 Build the Fence   24 1321 30.91
22
16
27 Sorting Bank Accounts   24 4700 40.42
9
6
28 Help the Military Recruitment Office!   2 396 12.88
13
1
29 Hash it!   5 1763 21.43
9
4
30 Bytelandian Blingors Network   25 2158 35.07
16
9
31 Fast Multiplication   25 2900 15.56
11
12
32 A Needle in the Haystack   77 4957 36.31
15
13
33 Trip   12 974 20.30
26
14
34 Run Away   219 32.95
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   33 3097 24.30
18
16
39 Piggy-Bank   61 4726 33.39
15
16
40 Lifting the Stone   3 1207 21.63
17
20
41 Play on Words   18 2101 17.71
17
23
42 Adding Reversed Numbers   42 37472 48.28
6
4
43 Copying Books   10 1395 24.52
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 13.62
17
17
48 Glass Beads   17 2241 35.93
15
18
49 Hares and Foxes   -1 96 10.83
50 Invitation Cards   14 821 39.37
16
17
51 Fake tournament   21 1024 23.80
12
16
54 Julka   64 13275 28.03
19
6

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