list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   136 104590 32.94
3
3
2 Prime Generator   233 32839 15.27
17
15
3 Substring Check (Bug Funny)   1 723 10.63
39
10
4 Transform the Expression   71 21264 49.08
10
10
5 The Next Palindrome   180 10750 9.97
24
19
6 Simple Arithmetics   3 1886 12.29
30
9
7 The Bulk!   3 319 27.17
30
17
8 Complete the Sequence!   15 1900 32.50
14
15
9 Direct Visibility   191 18.56
10 Complicated Expressions   2 664 26.29
17
9
11 Factorial   70 30324 45.76
5
11
12 The Game of Master-Mind   208 43.27
13 Hotline   149 27.91
14 I-Keyboard   4 709 37.36
26
23
15 The Shortest Path   41 2882 21.26
21
14
16 Sphere in a tetrahedron   7 1955 58.35
10
10
17 The Bytelandian Cryptographer (Act I)   5 689 32.33
12
23
18 The Bytelandian Cryptographer (Act II)   597 37.16
34
1
19 The Bytelandian Cryptographer (Act III)   120 42.36
20 The Bytelandian Cryptographer (Act IV)   35 6.92
28
34
22 Triangle From Centroid   5 1329 43.12
7
17
23 Pyramids   -16 3522 37.22
6
13
24 Small factorials   60 24887 30.25
15
9
25 Pouring water   35 2762 21.14
17
19
26 Build the Fence   21 1291 30.83
22
15
27 Sorting Bank Accounts   22 4591 40.52
9
6
28 Help the Military Recruitment Office!   2 388 12.86
12
1
29 Hash it!   5 1726 21.40
9
4
30 Bytelandian Blingors Network   24 2101 35.13
17
10
31 Fast Multiplication   26 2792 15.45
10
10
32 A Needle in the Haystack   74 4775 36.13
14
13
33 Trip   12 942 20.15
26
14
34 Run Away   215 32.86
35 Equipment Box   2 818 13.84
13
21
36 Secret Code   4 175 24.56
17
26
37 The Proper Key   1 125 22.14
17
17
38 Labyrinth   29 2998 24.26
17
16
39 Piggy-Bank   56 4617 33.33
15
15
40 Lifting the Stone   2 1197 21.55
17
20
41 Play on Words   16 2081 17.68
17
22
42 Adding Reversed Numbers   35 36535 48.38
6
4
43 Copying Books   10 1364 24.49
17
20
44 Substitution Cipher   1 293 15.43
17
17
45 Commedia dell Arte   190 38.93
1
17
47 Skyscraper Floors   2 241 13.59
17
17
48 Glass Beads   17 2221 35.77
15
18
49 Hares and Foxes   -1 96 10.87
50 Invitation Cards   14 795 39.04
16
17
51 Fake tournament   21 1012 23.71
12
16
54 Julka   63 13014 28.05
19
6

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