list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   177 119310 32.84
3
3
2 Prime Generator   326 38630 15.41
17
14
3 Substring Check (Bug Funny)   -1 782 10.19
42
12
4 Transform the Expression   102 24009 48.51
11
11
5 The Next Palindrome   245 12202 10.05
25
19
6 Simple Arithmetics   5 2015 12.29
31
7
7 The Bulk!   3 332 26.49
30
17
8 Complete the Sequence!   19 2062 32.89
15
17
9 Direct Visibility   199 18.51
34
34
10 Complicated Expressions   3 693 26.06
12
6
11 Factorial   95 33389 45.78
6
12
12 The Game of Master-Mind   225 43.59
13 Hotline   155 28.07
14 I-Keyboard   4 729 37.28
26
23
15 The Shortest Path   65 3437 21.71
20
13
16 Sphere in a tetrahedron   6 2094 58.38
11
12
17 The Bytelandian Cryptographer (Act I)   5 728 32.98
12
23
18 The Bytelandian Cryptographer (Act II)   2 622 36.88
28
1
19 The Bytelandian Cryptographer (Act III)   1 122 41.67
17
17
20 The Bytelandian Cryptographer (Act IV)   40 25.32
28
34
22 Triangle From Centroid   7 1403 43.48
8
19
23 Pyramids   -21 3725 36.54
8
14
24 Small factorials   76 27428 30.14
14
9
25 Pouring water   48 3135 21.73
17
21
26 Build the Fence   25 1470 31.39
23
17
27 Sorting Bank Accounts   27 5235 40.42
10
7
28 Help the Military Recruitment Office!   2 414 12.90
13
1
29 Hash it!   9 1936 21.07
12
4
30 Bytelandian Blingors Network   32 2380 35.88
15
9
31 Fast Multiplication   29 3351 16.27
13
12
32 A Needle in the Haystack   91 5527 36.70
14
13
33 Trip   11 1031 20.39
27
13
34 Run Away   231 33.59
35 Equipment Box   2 844 13.65
13
21
36 Secret Code   5 179 23.92
17
17
37 The Proper Key   1 125 21.49
17
17
38 Labyrinth   46 3389 24.38
19
16
39 Piggy-Bank   79 5123 33.83
14
16
40 Lifting the Stone   4 1242 21.68
15
17
41 Play on Words   25 2214 17.76
21
28
42 Adding Reversed Numbers   51 40705 48.35
6
4
43 Copying Books   20 1526 24.21
18
19
44 Substitution Cipher   1 294 15.32
17
17
45 Commedia dell Arte   194 39.01
1
17
47 Skyscraper Floors   2 243 13.46
17
17
48 Glass Beads   23 2327 36.24
15
18
49 Hares and Foxes   -1 97 10.77
50 Invitation Cards   16 904 40.77
16
17
51 Fake tournament   24 1107 24.03
15
18
54 Julka   76 14154 27.84
19
6

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