list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   60 75609 33.70
3
2
2 Prime Generator   70 23406 16.13
16
13
3 Substring Check (Bug Funny)   1 532 9.87
38
5
4 Transform the Expression   19 16288 49.50
5
9
5 The Next Palindrome   54 8004 10.03
22
20
6 Simple Arithmetics   -1 1612 12.56
27
8
7 The Bulk!   286 26.69
8 Complete the Sequence!   4 1572 32.49
9
17
9 Direct Visibility   180 18.64
10 Complicated Expressions   592 26.82
11 Factorial   21 24050 45.64
5
9
12 The Game of Master-Mind   184 44.85
13 Hotline   143 30.12
14 I-Keyboard   639 37.27
15 The Shortest Path   7 1966 20.92
21
15
16 Sphere in a tetrahedron   1 1615 57.62
9
17
17 The Bytelandian Cryptographer (Act I)   1 602 32.04
1
1
18 The Bytelandian Cryptographer (Act II)   559 36.91
34
1
19 The Bytelandian Cryptographer (Act III)   114 44.25
20 The Bytelandian Cryptographer (Act IV)   1 31 7.15
34
50
22 Triangle From Centroid   2 1141 41.95
1
9
23 Pyramids   -6 2900 36.60
6
8
24 Small factorials   15 19715 30.49
17
9
25 Pouring water   6 2091 19.58
17
6
26 Build the Fence   6 953 29.42
21
13
27 Sorting Bank Accounts   6 3535 40.32
3
1
28 Help the Military Recruitment Office!   2 334 12.54
17
1
29 Hash it!   1 1464 21.59
1
1
30 Bytelandian Blingors Network   8 1646 33.42
15
9
31 Fast Multiplication   5 1547 13.07
6
6
32 A Needle in the Haystack   23 3281 35.48
12
10
33 Trip   2 753 19.24
17
34
34 Run Away   202 32.43
35 Equipment Box   1 737 13.95
1
34
36 Secret Code   2 164 25.32
17
26
37 The Proper Key   122 22.19
38 Labyrinth   5 2203 23.40
17
23
39 Piggy-Bank   18 3510 32.73
12
12
40 Lifting the Stone   2 1041 20.80
9
9
41 Play on Words   6 1832 17.60
15
26
42 Adding Reversed Numbers   9 28452 48.17
6
5
43 Copying Books   1033 24.90
44 Substitution Cipher   2 278 15.13
17
17
45 Commedia dell Arte   161 40.61
47 Skyscraper Floors   1 234 14.04
48 Glass Beads   4 1908 35.73
12
15
49 Hares and Foxes   93 12.73
50 Invitation Cards   3 621 37.83
17
17
51 Fake tournament   5 764 21.90
13
24
54 Julka   15 10429 28.38
21
4

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