list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   157 111958 32.86
3
3
2 Prime Generator   283 35679 15.33
17
15
3 Substring Check (Bug Funny)   1 756 10.38
41
9
4 Transform the Expression   83 22615 48.84
10
11
5 The Next Palindrome   218 11429 9.99
24
19
6 Simple Arithmetics   3 1952 12.28
31
8
7 The Bulk!   3 325 26.84
30
17
8 Complete the Sequence!   17 1982 32.59
14
15
9 Direct Visibility   195 18.54
34
34
10 Complicated Expressions   3 677 26.04
12
6
11 Factorial   84 31799 45.75
6
12
12 The Game of Master-Mind   217 43.41
13 Hotline   151 27.92
14 I-Keyboard   4 722 37.32
26
23
15 The Shortest Path   55 3178 21.43
21
14
16 Sphere in a tetrahedron   6 2044 58.30
10
10
17 The Bytelandian Cryptographer (Act I)   5 708 32.68
12
23
18 The Bytelandian Cryptographer (Act II)   1 609 36.98
30
1
19 The Bytelandian Cryptographer (Act III)   1 120 41.43
17
17
20 The Bytelandian Cryptographer (Act IV)   38 21.88
28
34
22 Triangle From Centroid   7 1378 43.34
8
19
23 Pyramids   -19 3639 36.92
7
12
24 Small factorials   72 26118 30.20
14
9
25 Pouring water   42 2952 21.50
17
21
26 Build the Fence   25 1362 31.13
21
17
27 Sorting Bank Accounts   25 4895 40.50
9
6
28 Help the Military Recruitment Office!   2 402 12.92
13
1
29 Hash it!   7 1821 21.56
12
3
30 Bytelandian Blingors Network   28 2251 35.07
15
9
31 Fast Multiplication   26 3026 15.78
12
12
32 A Needle in the Haystack   84 5191 36.42
15
14
33 Trip   12 994 20.42
26
14
34 Run Away   224 33.22
35 Equipment Box   2 831 13.78
13
21
36 Secret Code   4 178 24.49
17
26
37 The Proper Key   1 126 21.88
17
17
38 Labyrinth   37 3208 24.43
18
17
39 Piggy-Bank   70 4876 33.60
14
16
40 Lifting the Stone   4 1220 21.71
15
17
41 Play on Words   22 2152 17.75
18
24
42 Adding Reversed Numbers   43 38602 48.30
6
4
43 Copying Books   16 1449 24.58
17
21
44 Substitution Cipher   1 294 15.36
17
17
45 Commedia dell Arte   190 38.67
1
17
47 Skyscraper Floors   2 243 13.62
17
17
48 Glass Beads   19 2272 36.02
15
18
49 Hares and Foxes   -1 96 10.79
50 Invitation Cards   15 857 40.01
16
17
51 Fake tournament   23 1055 23.89
13
16
54 Julka   69 13611 27.94
19
6

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