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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   304 222837 33.16
4
3
2 Prime Generator   630 82898 16.29
15
14
3 Substring Check (Bug Funny)   9 1082 7.02
40
15
4 Transform the Expression   258 44277 49.44
12
11
5 The Next Palindrome   452 20636 10.80
25
18
6 Simple Arithmetics   12 3071 11.99
30
9
7 The Bulk!   6 533 14.98
30
24
8 Complete the Sequence!   32 4505 36.80
16
18
9 Direct Visibility   4 266 11.66
30
21
10 Complicated Expressions   11 1576 31.61
17
17
11 Factorial   175 60521 45.11
6
12
12 The Game of Master-Mind   1 789 44.11
17
17
13 Hotline   2 213 16.04
34
23
14 I-Keyboard   8 1307 42.76
24
21
15 The Shortest Path   158 7700 24.05
17
12
16 Sphere in a tetrahedron   12 3546 55.23
11
16
17 The Bytelandian Cryptographer (Act I)   9 1389 41.45
15
26
18 The Bytelandian Cryptographer (Act II)   4 666 28.40
25
1
19 The Bytelandian Cryptographer (Act III)   1 129 34.13
17
26
20 The Bytelandian Cryptographer (Act IV)   2 60 25.77
21
34
22 Triangle From Centroid   10 2700 45.18
8
20
23 Pyramids   -19 5729 36.67
9
15
24 Small factorials   154 51307 29.63
15
9
25 Pouring water   100 5565 24.39
19
22
26 Build the Fence   37 2261 28.11
22
17
27 Sorting Bank Accounts   53 8964 40.34
11
6
28 Help the Military Recruitment Office!   8 803 16.23
12
9
29 Hash it!   14 3649 24.17
14
8
30 Bytelandian Blingors Network   54 3787 39.26
14
10
31 Fast Multiplication   49 9029 20.72
15
12
32 A Needle in the Haystack   193 11342 38.35
15
14
33 Trip   17 2063 26.37
25
16
34 Run Away   2 535 22.35
26
34
35 Equipment Box   6 1326 14.45
8
21
36 Secret Code   6 553 35.38
17
17
37 The Proper Key   1 142 13.95
17
17
38 Labyrinth   98 5357 25.81
18
16
39 Piggy-Bank   140 8238 35.51
14
16
40 Lifting the Stone   6 1649 23.78
13
16
41 Play on Words   43 3308 19.59
21
24
42 Adding Reversed Numbers   103 87405 48.64
6
4
43 Copying Books   45 2841 25.78
19
19
44 Substitution Cipher   3 336 13.72
17
17
45 Commedia dell Arte   2 250 32.51
5
26
47 Skyscraper Floors   8 294 12.68
22
22
48 Glass Beads   29 3464 38.02
15
18
49 Hares and Foxes   1 115 7.68
17
26
50 Invitation Cards   29 1778 43.08
16
18
51 Fake tournament   43 1814 26.94
18
19
54 Julka   165 23406 27.54
19
6

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