list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   157 112138 32.86
3
3
2 Prime Generator   284 35740 15.33
17
15
3 Substring Check (Bug Funny)   1 756 10.35
41
9
4 Transform the Expression   83 22645 48.81
10
11
5 The Next Palindrome   221 11447 9.99
24
19
6 Simple Arithmetics   3 1954 12.28
31
8
7 The Bulk!   3 325 26.84
30
17
8 Complete the Sequence!   17 1983 32.57
14
15
9 Direct Visibility   195 18.54
34
34
10 Complicated Expressions   3 677 26.04
12
6
11 Factorial   84 31846 45.76
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 3192 21.46
21
14
16 Sphere in a tetrahedron   6 2047 58.34
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 1379 43.32
8
19
23 Pyramids   -19 3648 36.88
7
12
24 Small factorials   72 26157 30.20
14
9
25 Pouring water   42 2960 21.54
17
21
26 Build the Fence   25 1363 31.14
21
17
27 Sorting Bank Accounts   25 4907 40.45
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   29 2256 35.10
15
9
31 Fast Multiplication   26 3039 15.80
12
12
32 A Needle in the Haystack   84 5201 36.43
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 3213 24.44
18
17
39 Piggy-Bank   70 4887 33.64
14
16
40 Lifting the Stone   4 1221 21.71
15
17
41 Play on Words   22 2156 17.77
18
24
42 Adding Reversed Numbers   43 38654 48.30
6
4
43 Copying Books   16 1452 24.61
17
21
44 Substitution Cipher   1 294 15.34
17
17
45 Commedia dell Arte   190 38.67
1
17
47 Skyscraper Floors   2 243 13.61
17
17
48 Glass Beads   19 2275 36.03
15
18
49 Hares and Foxes   -1 96 10.79
50 Invitation Cards   15 861 40.07
16
17
51 Fake tournament   23 1059 23.93
13
16
54 Julka   69 13630 27.96
19
6

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