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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   302 220229 33.12
4
3
2 Prime Generator   627 81566 16.19
15
13
3 Substring Check (Bug Funny)   8 1073 7.15
42
16
4 Transform the Expression   258 43817 49.31
12
11
5 The Next Palindrome   452 20393 10.75
25
18
6 Simple Arithmetics   12 3044 12.07
30
9
7 The Bulk!   6 519 15.25
30
24
8 Complete the Sequence!   32 4446 36.93
16
18
9 Direct Visibility   4 257 11.70
30
21
10 Complicated Expressions   11 1561 31.78
17
17
11 Factorial   175 59800 44.96
6
12
12 The Game of Master-Mind   1 773 44.98
17
17
13 Hotline   2 209 16.41
34
23
14 I-Keyboard   7 1289 42.88
23
22
15 The Shortest Path   157 7612 24.06
17
12
16 Sphere in a tetrahedron   12 3520 55.66
11
16
17 The Bytelandian Cryptographer (Act I)   9 1372 41.77
15
26
18 The Bytelandian Cryptographer (Act II)   4 665 28.85
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 35.52
17
26
20 The Bytelandian Cryptographer (Act IV)   2 56 26.04
21
34
22 Triangle From Centroid   10 2685 45.77
8
20
23 Pyramids   -20 5686 36.71
9
15
24 Small factorials   154 50825 29.60
15
9
25 Pouring water   100 5482 24.28
19
22
26 Build the Fence   37 2233 28.04
22
17
27 Sorting Bank Accounts   53 8869 40.29
11
6
28 Help the Military Recruitment Office!   8 788 16.10
12
9
29 Hash it!   14 3632 24.14
14
8
30 Bytelandian Blingors Network   54 3760 39.19
14
10
31 Fast Multiplication   48 8967 20.75
15
12
32 A Needle in the Haystack   193 11186 38.28
15
14
33 Trip   17 2027 26.37
25
16
34 Run Away   2 511 21.60
26
34
35 Equipment Box   6 1316 14.46
8
21
36 Secret Code   6 546 35.65
17
17
37 The Proper Key   1 137 14.08
17
17
38 Labyrinth   98 5322 25.78
18
16
39 Piggy-Bank   140 8166 35.44
14
16
40 Lifting the Stone   6 1622 23.61
13
16
41 Play on Words   43 3271 19.49
21
24
42 Adding Reversed Numbers   103 83411 48.51
6
4
43 Copying Books   45 2801 25.64
19
19
44 Substitution Cipher   3 328 13.60
17
17
45 Commedia dell Arte   2 246 33.26
5
26
47 Skyscraper Floors   8 288 12.69
22
22
48 Glass Beads   29 3431 37.95
15
18
49 Hares and Foxes   1 109 7.59
17
26
50 Invitation Cards   29 1751 43.08
16
18
51 Fake tournament   43 1803 27.07
18
19
54 Julka   163 23267 27.48
19
6

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