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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   291 198589 32.78
4
3
2 Prime Generator   611 71867 15.77
15
13
3 Substring Check (Bug Funny)   8 1049 8.64
41
14
4 Transform the Expression   254 40432 48.98
12
11
5 The Next Palindrome   448 19345 10.88
25
18
6 Simple Arithmetics   10 2919 12.67
30
9
7 The Bulk!   5 441 16.51
28
21
8 Complete the Sequence!   30 4083 38.32
16
19
9 Direct Visibility   4 239 12.86
30
21
10 Complicated Expressions   11 1448 32.14
16
17
11 Factorial   170 53747 44.96
6
12
12 The Game of Master-Mind   1 673 51.29
17
17
13 Hotline   2 180 16.87
34
26
14 I-Keyboard   6 1167 42.72
26
24
15 The Shortest Path   155 7035 24.00
16
12
16 Sphere in a tetrahedron   12 3336 58.10
11
16
17 The Bytelandian Cryptographer (Act I)   8 1263 41.64
17
24
18 The Bytelandian Cryptographer (Act II)   4 658 31.60
25
1
19 The Bytelandian Cryptographer (Act III)   1 127 39.66
17
26
20 The Bytelandian Cryptographer (Act IV)   1 50 24.35
28
34
22 Triangle From Centroid   10 2475 47.20
9
22
23 Pyramids   -21 5379 37.25
10
15
24 Small factorials   152 45447 30.13
15
9
25 Pouring water   98 5026 23.89
19
22
26 Build the Fence   37 2135 28.77
22
17
27 Sorting Bank Accounts   53 8345 40.62
11
6
28 Help the Military Recruitment Office!   6 726 15.62
13
8
29 Hash it!   14 3386 24.18
15
9
30 Bytelandian Blingors Network   54 3572 38.47
14
10
31 Fast Multiplication   48 7644 20.00
14
12
32 A Needle in the Haystack   188 10005 37.88
15
13
33 Trip   18 1804 25.14
25
16
34 Run Away   2 379 21.39
26
34
35 Equipment Box   5 1200 14.42
8
20
36 Secret Code   6 482 36.29
17
17
37 The Proper Key   1 135 16.74
17
17
38 Labyrinth   96 5150 25.56
17
16
39 Piggy-Bank   139 7794 35.27
14
16
40 Lifting the Stone   6 1511 22.97
13
16
41 Play on Words   42 3094 19.26
21
24
42 Adding Reversed Numbers   101 66600 48.83
6
4
43 Copying Books   43 2572 25.50
20
19
44 Substitution Cipher   2 309 13.74
17
17
45 Commedia dell Arte   1 221 36.56
1
17
47 Skyscraper Floors   5 270 12.90
28
17
48 Glass Beads   27 3200 37.37
15
17
49 Hares and Foxes   1 104 8.66
17
26
50 Invitation Cards   29 1614 43.03
16
18
51 Fake tournament   41 1704 27.28
18
20
54 Julka   160 21630 27.30
19
6

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