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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   69 78661 33.51
3
2
2 Prime Generator   91 24227 15.94
17
14
3 Substring Check (Bug Funny)   1 558 10.13
38
5
4 Transform the Expression   25 16738 49.24
7
10
5 The Next Palindrome   66 8267 10.01
23
21
6 Simple Arithmetics   1635 12.55
28
6
7 The Bulk!   288 26.63
8 Complete the Sequence!   4 1594 32.36
8
17
9 Direct Visibility   180 18.48
10 Complicated Expressions   599 26.74
11 Factorial   26 24764 45.56
6
8
12 The Game of Master-Mind   186 44.88
13 Hotline   143 30.12
14 I-Keyboard   1 645 37.32
15 The Shortest Path   8 2037 20.94
17
15
16 Sphere in a tetrahedron   1 1656 57.97
12
12
17 The Bytelandian Cryptographer (Act I)   1 613 32.01
1
1
18 The Bytelandian Cryptographer (Act II)   568 37.07
34
1
19 The Bytelandian Cryptographer (Act III)   117 44.83
20 The Bytelandian Cryptographer (Act IV)   1 32 7.13
34
50
22 Triangle From Centroid   2 1177 42.26
1
12
23 Pyramids   -8 3005 36.86
5
11
24 Small factorials   20 20282 30.36
16
9
25 Pouring water   11 2145 19.61
19
15
26 Build the Fence   6 965 29.62
21
13
27 Sorting Bank Accounts   7 3618 40.41
5
2
28 Help the Military Recruitment Office!   2 338 12.58
17
1
29 Hash it!   1 1488 21.66
1
1
30 Bytelandian Blingors Network   10 1668 33.49
16
8
31 Fast Multiplication   7 1669 13.30
8
8
32 A Needle in the Haystack   30 3425 35.52
14
11
33 Trip   4 766 19.21
17
23
34 Run Away   205 32.55
35 Equipment Box   2 750 14.01
9
34
36 Secret Code   2 164 24.94
17
26
37 The Proper Key   122 22.19
38 Labyrinth   7 2263 23.53
17
20
39 Piggy-Bank   21 3611 32.76
12
13
40 Lifting the Stone   3 1068 20.96
12
12
41 Play on Words   7 1854 17.56
15
24
42 Adding Reversed Numbers   13 29341 48.09
7
5
43 Copying Books   1044 24.93
44 Substitution Cipher   2 281 15.21
17
17
45 Commedia dell Arte   162 40.56
1
17
47 Skyscraper Floors   1 234 13.99
48 Glass Beads   5 1945 35.77
13
15
49 Hares and Foxes   93 12.48
50 Invitation Cards   3 633 38.12
9
9
51 Fake tournament   7 780 22.00
10
17
54 Julka   20 10725 28.39
19
4

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