list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   132 102623 32.91
3
3
2 Prime Generator   221 32149 15.28
17
15
3 Substring Check (Bug Funny)   1 717 10.71
39
10
4 Transform the Expression   66 20933 49.13
10
11
5 The Next Palindrome   165 10555 9.96
24
20
6 Simple Arithmetics   1 1861 12.28
32
10
7 The Bulk!   3 316 27.17
30
17
8 Complete the Sequence!   14 1877 32.64
15
15
9 Direct Visibility   190 18.58
10 Complicated Expressions   2 660 26.41
17
9
11 Factorial   66 29862 45.71
5
11
12 The Game of Master-Mind   208 43.27
13 Hotline   149 27.91
14 I-Keyboard   3 705 37.29
26
26
15 The Shortest Path   39 2820 21.23
21
13
16 Sphere in a tetrahedron   6 1921 58.40
11
8
17 The Bytelandian Cryptographer (Act I)   5 683 32.33
12
23
18 The Bytelandian Cryptographer (Act II)   594 37.20
34
1
19 The Bytelandian Cryptographer (Act III)   120 42.36
20 The Bytelandian Cryptographer (Act IV)   35 6.95
28
34
22 Triangle From Centroid   4 1311 43.03
9
23
23 Pyramids   -15 3461 37.12
7
14
24 Small factorials   57 24485 30.22
15
10
25 Pouring water   32 2719 21.06
17
19
26 Build the Fence   21 1263 30.71
22
15
27 Sorting Bank Accounts   22 4506 40.49
8
6
28 Help the Military Recruitment Office!   2 383 12.94
12
1
29 Hash it!   5 1709 21.43
9
4
30 Bytelandian Blingors Network   24 2069 35.23
15
9
31 Fast Multiplication   25 2704 15.29
10
10
32 A Needle in the Haystack   74 4661 36.03
14
13
33 Trip   12 923 20.05
26
14
34 Run Away   215 32.98
35 Equipment Box   2 811 13.79
13
21
36 Secret Code   4 175 24.66
17
26
37 The Proper Key   1 125 22.14
17
17
38 Labyrinth   27 2954 24.25
17
16
39 Piggy-Bank   55 4535 33.20
15
15
40 Lifting the Stone   3 1175 21.48
17
21
41 Play on Words   15 2069 17.70
17
21
42 Adding Reversed Numbers   31 35937 48.30
6
4
43 Copying Books   9 1356 24.65
19
22
44 Substitution Cipher   1 293 15.43
17
17
45 Commedia dell Arte   191 39.03
1
17
47 Skyscraper Floors   1 241 13.62
48 Glass Beads   17 2198 35.72
15
18
49 Hares and Foxes   -1 96 10.90
50 Invitation Cards   13 781 38.74
17
19
51 Fake tournament   20 994 23.61
12
16
54 Julka   57 12809 28.08
19
5

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