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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   257 156187 33.30
3
3
2 Prime Generator   481 52618 15.57
15
14
3 Substring Check (Bug Funny)   5 945 10.00
41
13
4 Transform the Expression   212 31598 49.20
11
11
5 The Next Palindrome   395 15274 10.23
25
19
6 Simple Arithmetics   11 2337 12.40
31
8
7 The Bulk!   3 370 23.45
30
17
8 Complete the Sequence!   27 2568 33.95
16
18
9 Direct Visibility   1 212 16.56
23
23
10 Complicated Expressions   9 793 25.84
16
13
11 Factorial   145 41390 45.85
5
12
12 The Game of Master-Mind   261 45.79
13 Hotline   168 25.80
14 I-Keyboard   4 770 36.84
28
26
15 The Shortest Path   106 4904 23.18
17
12
16 Sphere in a tetrahedron   11 2351 57.96
12
14
17 The Bytelandian Cryptographer (Act I)   8 798 33.31
17
24
18 The Bytelandian Cryptographer (Act II)   3 646 35.07
27
1
19 The Bytelandian Cryptographer (Act III)   1 123 40.84
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.96
28
34
22 Triangle From Centroid   8 1541 43.98
8
21
23 Pyramids   -24 4122 36.20
10
14
24 Small factorials   129 33849 30.25
15
9
25 Pouring water   81 3881 22.50
18
22
26 Build the Fence   34 1767 32.10
22
17
27 Sorting Bank Accounts   44 6369 40.69
12
7
28 Help the Military Recruitment Office!   5 472 13.35
13
6
29 Hash it!   11 2485 22.25
15
6
30 Bytelandian Blingors Network   50 2988 37.73
14
9
31 Fast Multiplication   40 4690 18.32
14
12
32 A Needle in the Haystack   128 7058 37.90
14
13
33 Trip   15 1242 21.83
24
15
34 Run Away   2 272 33.36
26
34
35 Equipment Box   4 920 13.92
9
17
36 Secret Code   6 195 24.31
17
17
37 The Proper Key   1 131 20.88
17
17
38 Labyrinth   75 4313 25.11
18
16
39 Piggy-Bank   121 6178 34.77
14
16
40 Lifting the Stone   5 1324 21.97
16
17
41 Play on Words   38 2537 18.40
21
24
42 Adding Reversed Numbers   85 50978 48.93
6
4
43 Copying Books   29 1784 23.81
19
20
44 Substitution Cipher   2 303 15.24
17
17
45 Commedia dell Arte   203 38.46
1
17
47 Skyscraper Floors   4 260 13.44
26
17
48 Glass Beads   23 2542 37.15
15
17
49 Hares and Foxes   -1 101 10.37
50 Invitation Cards   26 1118 42.46
16
18
51 Fake tournament   38 1300 25.24
16
19
54 Julka   137 16849 27.24
19
6

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