list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   164 114614 32.86
3
3
2 Prime Generator   295 36748 15.35
17
15
3 Substring Check (Bug Funny)   764 10.31
42
12
4 Transform the Expression   93 23123 48.75
11
11
5 The Next Palindrome   227 11690 10.01
24
19
6 Simple Arithmetics   3 1980 12.30
31
8
7 The Bulk!   3 327 26.58
30
17
8 Complete the Sequence!   18 2016 32.64
14
15
9 Direct Visibility   196 18.58
34
34
10 Complicated Expressions   3 684 26.12
12
6
11 Factorial   90 32406 45.77
6
12
12 The Game of Master-Mind   218 43.27
13 Hotline   155 28.31
14 I-Keyboard   4 726 37.30
26
23
15 The Shortest Path   58 3270 21.60
20
14
16 Sphere in a tetrahedron   6 2069 58.42
9
12
17 The Bytelandian Cryptographer (Act I)   5 714 32.72
12
23
18 The Bytelandian Cryptographer (Act II)   1 613 36.88
30
1
19 The Bytelandian Cryptographer (Act III)   1 120 41.43
17
17
20 The Bytelandian Cryptographer (Act IV)   39 21.85
28
34
22 Triangle From Centroid   7 1390 43.37
8
19
23 Pyramids   -19 3683 36.72
8
14
24 Small factorials   75 26606 30.18
15
9
25 Pouring water   46 3034 21.62
17
22
26 Build the Fence   24 1396 31.25
23
17
27 Sorting Bank Accounts   27 5051 40.41
10
7
28 Help the Military Recruitment Office!   2 405 12.89
13
1
29 Hash it!   8 1862 21.19
12
4
30 Bytelandian Blingors Network   30 2291 35.33
15
9
31 Fast Multiplication   28 3148 16.01
12
12
32 A Needle in the Haystack   85 5352 36.56
15
13
33 Trip   12 1012 20.40
26
14
34 Run Away   228 33.45
35 Equipment Box   2 837 13.76
13
21
36 Secret Code   5 179 24.31
17
17
37 The Proper Key   1 125 21.73
17
17
38 Labyrinth   38 3252 24.37
18
16
39 Piggy-Bank   76 4988 33.81
14
16
40 Lifting the Stone   4 1232 21.71
15
17
41 Play on Words   23 2186 17.75
21
26
42 Adding Reversed Numbers   48 39376 48.37
6
4
43 Copying Books   18 1485 24.44
18
19
44 Substitution Cipher   1 295 15.36
17
17
45 Commedia dell Arte   190 38.67
1
17
47 Skyscraper Floors   2 243 13.53
17
17
48 Glass Beads   20 2294 36.09
14
17
49 Hares and Foxes   -1 97 10.85
50 Invitation Cards   16 878 40.29
16
17
51 Fake tournament   23 1085 24.15
15
18
54 Julka   72 13807 27.97
19
6

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