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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   302 221017 33.14
4
3
2 Prime Generator   628 81992 16.22
15
13
3 Substring Check (Bug Funny)   8 1073 7.10
42
16
4 Transform the Expression   258 43988 49.36
12
11
5 The Next Palindrome   452 20443 10.75
25
18
6 Simple Arithmetics   12 3047 12.04
30
9
7 The Bulk!   6 523 15.14
30
24
8 Complete the Sequence!   32 4464 36.85
16
18
9 Direct Visibility   4 260 11.66
30
21
10 Complicated Expressions   11 1565 31.67
17
17
11 Factorial   175 60040 45.03
6
12
12 The Game of Master-Mind   1 775 44.62
17
17
13 Hotline   2 210 16.30
34
23
14 I-Keyboard   8 1293 42.71
24
21
15 The Shortest Path   157 7629 24.04
17
12
16 Sphere in a tetrahedron   12 3529 55.44
11
16
17 The Bytelandian Cryptographer (Act I)   9 1377 41.60
15
26
18 The Bytelandian Cryptographer (Act II)   4 665 28.65
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 34.99
17
26
20 The Bytelandian Cryptographer (Act IV)   2 57 26.00
21
34
22 Triangle From Centroid   10 2691 45.67
8
20
23 Pyramids   -20 5698 36.72
9
15
24 Small factorials   154 51006 29.60
15
9
25 Pouring water   100 5512 24.31
19
22
26 Build the Fence   37 2238 28.04
22
17
27 Sorting Bank Accounts   53 8878 40.29
11
6
28 Help the Military Recruitment Office!   8 791 16.12
12
9
29 Hash it!   14 3640 24.15
14
8
30 Bytelandian Blingors Network   54 3768 39.21
14
10
31 Fast Multiplication   48 8986 20.74
15
12
32 A Needle in the Haystack   193 11238 38.31
15
14
33 Trip   17 2033 26.33
25
16
34 Run Away   2 519 21.69
26
34
35 Equipment Box   6 1318 14.46
8
21
36 Secret Code   6 549 35.62
17
17
37 The Proper Key   1 137 13.95
17
17
38 Labyrinth   98 5327 25.76
18
16
39 Piggy-Bank   140 8192 35.46
14
16
40 Lifting the Stone   6 1632 23.69
13
16
41 Play on Words   43 3281 19.51
21
24
42 Adding Reversed Numbers   103 84056 48.50
6
4
43 Copying Books   45 2812 25.72
19
19
44 Substitution Cipher   3 331 13.62
17
17
45 Commedia dell Arte   2 247 33.00
5
26
47 Skyscraper Floors   8 289 12.67
22
22
48 Glass Beads   29 3447 38.01
15
18
49 Hares and Foxes   1 109 7.52
17
26
50 Invitation Cards   29 1757 42.97
16
18
51 Fake tournament   43 1806 27.01
18
19
54 Julka   163 23321 27.50
19
6

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