list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   132 102672 32.91
3
3
2 Prime Generator   221 32174 15.29
17
15
3 Substring Check (Bug Funny)   1 717 10.71
39
10
4 Transform the Expression   66 20938 49.12
10
11
5 The Next Palindrome   165 10560 9.96
24
20
6 Simple Arithmetics   1 1863 12.28
32
10
7 The Bulk!   3 316 27.17
30
17
8 Complete the Sequence!   14 1878 32.63
15
15
9 Direct Visibility   190 18.58
10 Complicated Expressions   2 661 26.43
17
9
11 Factorial   66 29871 45.71
5
11
12 The Game of Master-Mind   208 43.27
13 Hotline   149 27.91
14 I-Keyboard   3 706 37.32
26
26
15 The Shortest Path   39 2820 21.22
21
13
16 Sphere in a tetrahedron   6 1922 58.41
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 3462 37.12
7
14
24 Small factorials   57 24493 30.22
15
10
25 Pouring water   32 2722 21.06
17
19
26 Build the Fence   21 1265 30.71
22
15
27 Sorting Bank Accounts   22 4508 40.50
8
6
28 Help the Military Recruitment Office!   2 384 12.96
12
1
29 Hash it!   5 1710 21.43
9
4
30 Bytelandian Blingors Network   24 2071 35.20
15
9
31 Fast Multiplication   25 2706 15.29
10
10
32 A Needle in the Haystack   74 4663 36.02
14
13
33 Trip   12 923 20.05
26
14
34 Run Away   215 32.95
35 Equipment Box   2 812 13.80
13
21
36 Secret Code   4 175 24.66
17
26
37 The Proper Key   1 125 22.14
17
17
38 Labyrinth   27 2955 24.26
17
16
39 Piggy-Bank   55 4536 33.19
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 35958 48.31
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   13 782 38.75
17
19
51 Fake tournament   20 994 23.61
12
16
54 Julka   57 12816 28.08
19
5

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