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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   181 120906 32.84
3
3
2 Prime Generator   335 39252 15.40
16
14
3 Substring Check (Bug Funny)   -1 791 10.21
42
12
4 Transform the Expression   110 24349 48.50
11
11
5 The Next Palindrome   251 12360 10.06
25
19
6 Simple Arithmetics   5 2032 12.28
31
7
7 The Bulk!   3 335 26.48
30
17
8 Complete the Sequence!   19 2083 32.94
15
17
9 Direct Visibility   200 18.67
34
34
10 Complicated Expressions   5 700 26.09
14
9
11 Factorial   95 33767 45.81
5
12
12 The Game of Master-Mind   227 43.62
13 Hotline   156 28.19
14 I-Keyboard   4 732 37.24
26
23
15 The Shortest Path   66 3510 21.81
19
13
16 Sphere in a tetrahedron   6 2106 58.44
11
12
17 The Bytelandian Cryptographer (Act I)   5 732 33.01
12
23
18 The Bytelandian Cryptographer (Act II)   2 625 36.93
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.85
17
17
20 The Bytelandian Cryptographer (Act IV)   40 25.67
28
34
22 Triangle From Centroid   7 1409 43.42
8
19
23 Pyramids   -20 3741 36.48
9
14
24 Small factorials   77 27755 30.15
14
9
25 Pouring water   49 3182 21.82
17
21
26 Build the Fence   25 1495 31.44
23
17
27 Sorting Bank Accounts   28 5313 40.47
9
6
28 Help the Military Recruitment Office!   2 419 12.89
13
1
29 Hash it!   9 1960 21.08
12
4
30 Bytelandian Blingors Network   33 2406 36.03
15
9
31 Fast Multiplication   29 3426 16.38
13
12
32 A Needle in the Haystack   93 5622 36.72
14
13
33 Trip   11 1035 20.36
27
13
34 Run Away   234 33.65
35 Equipment Box   2 848 13.66
13
21
36 Secret Code   5 179 23.88
17
17
37 The Proper Key   1 125 21.46
17
17
38 Labyrinth   46 3440 24.43
19
16
39 Piggy-Bank   81 5191 33.87
14
16
40 Lifting the Stone   4 1255 21.69
15
17
41 Play on Words   25 2261 17.88
21
27
42 Adding Reversed Numbers   53 41281 48.44
6
4
43 Copying Books   21 1555 24.11
18
19
44 Substitution Cipher   1 296 15.37
17
17
45 Commedia dell Arte   195 39.11
1
17
47 Skyscraper Floors   2 244 13.48
17
17
48 Glass Beads   22 2347 36.30
15
17
49 Hares and Foxes   -1 97 10.66
50 Invitation Cards   17 916 41.00
16
17
51 Fake tournament   24 1118 24.08
15
18
54 Julka   79 14308 27.79
19
6

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