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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   302 220778 33.13
4
3
2 Prime Generator   628 81907 16.21
15
13
3 Substring Check (Bug Funny)   8 1073 7.11
42
16
4 Transform the Expression   258 43957 49.35
12
11
5 The Next Palindrome   452 20428 10.75
25
18
6 Simple Arithmetics   12 3045 12.04
30
9
7 The Bulk!   6 522 15.18
30
24
8 Complete the Sequence!   32 4462 36.87
16
18
9 Direct Visibility   4 258 11.64
30
21
10 Complicated Expressions   11 1562 31.68
17
17
11 Factorial   175 60002 45.00
6
12
12 The Game of Master-Mind   1 775 44.66
17
17
13 Hotline   2 210 16.32
34
23
14 I-Keyboard   7 1290 42.69
23
22
15 The Shortest Path   157 7624 24.03
17
12
16 Sphere in a tetrahedron   12 3526 55.44
11
16
17 The Bytelandian Cryptographer (Act I)   9 1376 41.71
15
26
18 The Bytelandian Cryptographer (Act II)   4 665 28.65
25
1
19 The Bytelandian Cryptographer (Act III)   1 128 35.16
17
26
20 The Bytelandian Cryptographer (Act IV)   2 57 26.03
21
34
22 Triangle From Centroid   10 2690 45.68
8
20
23 Pyramids   -20 5695 36.71
9
15
24 Small factorials   154 50976 29.60
15
9
25 Pouring water   100 5504 24.30
19
22
26 Build the Fence   37 2237 28.04
22
17
27 Sorting Bank Accounts   53 8876 40.29
11
6
28 Help the Military Recruitment Office!   8 789 16.10
12
9
29 Hash it!   14 3639 24.15
14
8
30 Bytelandian Blingors Network   54 3767 39.21
14
10
31 Fast Multiplication   48 8984 20.74
15
12
32 A Needle in the Haystack   193 11228 38.31
15
14
33 Trip   17 2030 26.35
25
16
34 Run Away   2 518 21.67
26
34
35 Equipment Box   6 1317 14.45
8
21
36 Secret Code   6 549 35.66
17
17
37 The Proper Key   1 137 13.97
17
17
38 Labyrinth   98 5326 25.76
18
16
39 Piggy-Bank   140 8189 35.46
14
16
40 Lifting the Stone   6 1631 23.68
13
16
41 Play on Words   43 3276 19.49
21
24
42 Adding Reversed Numbers   103 84017 48.49
6
4
43 Copying Books   45 2806 25.66
19
19
44 Substitution Cipher   3 331 13.62
17
17
45 Commedia dell Arte   2 247 33.08
5
26
47 Skyscraper Floors   8 289 12.68
22
22
48 Glass Beads   29 3442 37.99
15
18
49 Hares and Foxes   1 109 7.57
17
26
50 Invitation Cards   29 1755 42.98
16
18
51 Fake tournament   43 1805 27.02
18
19
54 Julka   163 23308 27.50
19
6

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