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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   304 223567 33.18
4
3
2 Prime Generator   630 83266 16.32
15
14
3 Substring Check (Bug Funny)   9 1083 6.97
40
15
4 Transform the Expression   258 44390 49.47
12
11
5 The Next Palindrome   452 20718 10.82
25
18
6 Simple Arithmetics   12 3081 11.99
30
9
7 The Bulk!   6 536 14.91
30
24
8 Complete the Sequence!   32 4522 36.74
16
18
9 Direct Visibility   4 267 11.65
30
21
10 Complicated Expressions   11 1581 31.63
17
17
11 Factorial   175 60734 45.15
6
12
12 The Game of Master-Mind   1 794 44.12
17
17
13 Hotline   2 215 16.13
34
23
14 I-Keyboard   8 1312 42.73
24
21
15 The Shortest Path   157 7726 24.06
17
12
16 Sphere in a tetrahedron   12 3552 55.21
11
16
17 The Bytelandian Cryptographer (Act I)   9 1391 41.45
15
26
18 The Bytelandian Cryptographer (Act II)   4 666 28.32
25
1
19 The Bytelandian Cryptographer (Act III)   1 129 34.05
17
26
20 The Bytelandian Cryptographer (Act IV)   2 60 25.77
21
34
22 Triangle From Centroid   10 2707 45.19
8
20
23 Pyramids   -19 5734 36.67
9
15
24 Small factorials   154 51431 29.64
15
9
25 Pouring water   100 5587 24.43
19
22
26 Build the Fence   37 2268 28.14
22
17
27 Sorting Bank Accounts   53 8980 40.34
11
6
28 Help the Military Recruitment Office!   8 807 16.25
12
9
29 Hash it!   14 3650 24.17
14
8
30 Bytelandian Blingors Network   54 3791 39.26
14
10
31 Fast Multiplication   49 9044 20.70
15
12
32 A Needle in the Haystack   193 11388 38.38
15
14
33 Trip   17 2073 26.41
25
16
34 Run Away   2 539 22.40
26
34
35 Equipment Box   6 1329 14.46
8
21
36 Secret Code   6 553 35.34
17
17
37 The Proper Key   1 143 13.98
17
17
38 Labyrinth   98 5361 25.82
18
16
39 Piggy-Bank   140 8252 35.54
14
16
40 Lifting the Stone   6 1651 23.80
13
16
41 Play on Words   43 3314 19.59
21
24
42 Adding Reversed Numbers   103 88640 48.70
6
4
43 Copying Books   45 2850 25.82
19
19
44 Substitution Cipher   3 341 13.83
17
17
45 Commedia dell Arte   2 251 32.28
5
26
47 Skyscraper Floors   8 295 12.70
22
22
48 Glass Beads   29 3479 38.09
15
18
49 Hares and Foxes   1 119 7.85
17
26
50 Invitation Cards   29 1783 43.12
16
18
51 Fake tournament   43 1819 26.96
18
19
54 Julka   165 23429 27.55
19
6

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