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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   297 213811 33.03
4
3
2 Prime Generator   622 78597 16.01
15
13
4 Transform the Expression   258 42849 49.20
12
11
5 The Next Palindrome   452 19955 10.73
25
18
6 Simple Arithmetics   11 3008 12.33
30
9
7 The Bulk!   6 499 16.02
30
24
8 Complete the Sequence!   32 4376 37.79
16
18
9 Direct Visibility   4 250 11.93
30
21
10 Complicated Expressions   11 1541 32.19
16
16
11 Factorial   174 58142 44.93
6
12
12 The Game of Master-Mind   1 746 48.44
17
17
13 Hotline   2 194 16.36
34
23
14 I-Keyboard   6 1265 43.46
24
23
15 The Shortest Path   156 7475 24.10
17
12
16 Sphere in a tetrahedron   12 3481 56.43
11
16
17 The Bytelandian Cryptographer (Act I)   8 1344 41.83
15
26
20 The Bytelandian Cryptographer (Act IV)   2 55 26.81
21
34
22 Triangle From Centroid   9 2636 46.64
9
22
23 Pyramids   -20 5601 36.94
9
15
24 Small factorials   153 49479 29.66
15
9
25 Pouring water   100 5355 24.16
19
22
26 Build the Fence   37 2213 28.16
22
17
27 Sorting Bank Accounts   53 8742 40.43
11
6
28 Help the Military Recruitment Office!   6 774 16.10
12
9
29 Hash it!   14 3582 24.13
14
8
30 Bytelandian Blingors Network   54 3720 39.06
14
10
31 Fast Multiplication   48 8658 20.65
15
12
32 A Needle in the Haystack   193 10875 38.19
15
14
33 Trip   18 1945 25.93
25
16
34 Run Away   2 472 21.94
26
34
35 Equipment Box   6 1298 14.61
7
20
36 Secret Code   6 539 36.68
17
17
37 The Proper Key   1 135 15.56
17
17
38 Labyrinth   97 5286 25.76
17
16
39 Piggy-Bank   139 8086 35.45
14
16
40 Lifting the Stone   6 1596 23.51
13
16
41 Play on Words   42 3208 19.39
21
24
42 Adding Reversed Numbers   103 76326 48.39
6
4
43 Copying Books   45 2727 25.55
19
19
44 Substitution Cipher   2 320 13.50
17
17
45 Commedia dell Arte   2 235 34.26
5
26
47 Skyscraper Floors   6 282 12.66
24
17
48 Glass Beads   28 3361 37.80
15
18
49 Hares and Foxes   1 107 7.87
17
26
50 Invitation Cards   29 1720 43.02
16
18
51 Fake tournament   42 1787 27.30
18
19
54 Julka   163 22925 27.44
19
6
55 Jasiek   3 461 28.23
21
13
56 Dyzio   8 1207 31.42
11
14
57 Supernumbers in a permutation   21 1040 32.49
17
19

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