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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   297 214784 33.04
4
3
2 Prime Generator   625 79125 16.04
15
13
3 Substring Check (Bug Funny)   8 1065 7.55
42
16
4 Transform the Expression   258 43049 49.23
12
11
5 The Next Palindrome   452 20027 10.73
25
18
6 Simple Arithmetics   11 3017 12.31
30
9
7 The Bulk!   6 503 15.93
30
24
8 Complete the Sequence!   32 4389 37.64
16
18
9 Direct Visibility   4 251 11.83
30
21
10 Complicated Expressions   11 1543 32.17
16
16
11 Factorial   174 58462 44.94
6
12
12 The Game of Master-Mind   1 746 47.62
17
17
13 Hotline   2 196 16.30
34
23
14 I-Keyboard   6 1270 43.40
24
23
15 The Shortest Path   156 7511 24.09
17
12
16 Sphere in a tetrahedron   12 3493 56.32
11
16
17 The Bytelandian Cryptographer (Act I)   8 1349 41.70
15
26
18 The Bytelandian Cryptographer (Act II)   4 664 29.78
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 37.80
17
26
20 The Bytelandian Cryptographer (Act IV)   2 55 26.85
21
34
22 Triangle From Centroid   9 2646 46.41
9
22
23 Pyramids   -20 5613 36.88
9
15
24 Small factorials   153 49788 29.69
15
9
25 Pouring water   100 5377 24.20
19
22
26 Build the Fence   37 2217 28.15
22
17
27 Sorting Bank Accounts   53 8765 40.43
11
6
28 Help the Military Recruitment Office!   6 776 16.10
12
9
29 Hash it!   14 3585 24.13
14
8
30 Bytelandian Blingors Network   54 3725 39.08
14
10
31 Fast Multiplication   48 8747 20.71
15
12
32 A Needle in the Haystack   193 10949 38.21
15
14
33 Trip   18 1949 25.94
25
16
34 Run Away   2 474 21.91
26
34
35 Equipment Box   6 1303 14.60
7
20
36 Secret Code   6 540 36.48
17
17
37 The Proper Key   1 135 15.46
17
17
38 Labyrinth   97 5291 25.75
17
16
39 Piggy-Bank   140 8097 35.44
14
16
40 Lifting the Stone   6 1603 23.50
13
16
41 Play on Words   42 3211 19.38
21
24
42 Adding Reversed Numbers   103 76867 48.37
6
4
43 Copying Books   45 2740 25.53
19
19
44 Substitution Cipher   2 322 13.52
17
17
45 Commedia dell Arte   2 238 34.44
5
26
47 Skyscraper Floors   6 282 12.63
24
17
48 Glass Beads   29 3380 37.85
15
18
49 Hares and Foxes   1 107 7.83
17
26
50 Invitation Cards   29 1725 42.94
16
18
51 Fake tournament   42 1791 27.29
18
19
54 Julka   163 23006 27.47
19
6

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