list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   170 116404 32.85
3
3
2 Prime Generator   309 37483 15.36
17
15
3 Substring Check (Bug Funny)   774 10.30
42
12
4 Transform the Expression   98 23386 48.72
11
11
5 The Next Palindrome   232 11849 10.01
24
19
6 Simple Arithmetics   4 1989 12.29
31
8
7 The Bulk!   3 329 26.63
30
17
8 Complete the Sequence!   18 2037 32.78
15
16
9 Direct Visibility   196 18.56
34
34
10 Complicated Expressions   3 688 26.14
12
6
11 Factorial   93 32765 45.83
6
12
12 The Game of Master-Mind   221 43.48
13 Hotline   155 28.12
14 I-Keyboard   4 726 37.27
26
23
15 The Shortest Path   61 3331 21.70
20
14
16 Sphere in a tetrahedron   6 2077 58.32
9
12
17 The Bytelandian Cryptographer (Act I)   5 718 32.81
12
23
18 The Bytelandian Cryptographer (Act II)   1 617 37.01
30
1
19 The Bytelandian Cryptographer (Act III)   1 122 41.80
17
17
20 The Bytelandian Cryptographer (Act IV)   39 21.78
28
34
22 Triangle From Centroid   7 1397 43.48
8
19
23 Pyramids   -19 3697 36.69
8
14
24 Small factorials   76 26856 30.15
14
9
25 Pouring water   47 3073 21.69
17
21
26 Build the Fence   25 1408 31.30
23
17
27 Sorting Bank Accounts   27 5118 40.42
10
7
28 Help the Military Recruitment Office!   2 409 12.89
13
1
29 Hash it!   8 1866 21.19
12
4
30 Bytelandian Blingors Network   31 2311 35.45
15
9
31 Fast Multiplication   28 3204 16.11
13
13
32 A Needle in the Haystack   88 5395 36.60
14
14
33 Trip   11 1019 20.41
26
13
34 Run Away   229 33.51
35 Equipment Box   2 840 13.76
13
21
36 Secret Code   5 179 24.26
17
17
37 The Proper Key   1 125 21.69
17
17
38 Labyrinth   39 3293 24.35
18
16
39 Piggy-Bank   77 5030 33.81
14
16
40 Lifting the Stone   4 1235 21.69
15
17
41 Play on Words   23 2199 17.77
21
26
42 Adding Reversed Numbers   48 39837 48.40
6
4
43 Copying Books   19 1494 24.37
17
18
44 Substitution Cipher   1 294 15.32
17
17
45 Commedia dell Arte   190 38.67
1
17
47 Skyscraper Floors   2 243 13.49
17
17
48 Glass Beads   21 2305 36.11
14
17
49 Hares and Foxes   -1 97 10.84
50 Invitation Cards   16 889 40.49
16
17
51 Fake tournament   24 1094 24.03
15
18
54 Julka   73 13914 27.91
19
6

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