list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   60 75757 33.70
3
2
2 Prime Generator   72 23446 16.13
16
13
3 Substring Check (Bug Funny)   1 534 9.88
38
5
4 Transform the Expression   19 16312 49.52
5
9
5 The Next Palindrome   54 8018 10.03
22
20
6 Simple Arithmetics   -1 1612 12.56
27
8
7 The Bulk!   286 26.69
8 Complete the Sequence!   4 1573 32.45
9
17
9 Direct Visibility   180 18.64
10 Complicated Expressions   592 26.82
11 Factorial   22 24082 45.65
5
10
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 1970 20.93
21
15
16 Sphere in a tetrahedron   1 1616 57.58
9
17
17 The Bytelandian Cryptographer (Act I)   1 603 32.00
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 7.11
34
50
22 Triangle From Centroid   2 1144 42.00
1
9
23 Pyramids   -6 2906 36.65
6
8
24 Small factorials   16 19747 30.49
17
9
25 Pouring water   6 2096 19.59
17
6
26 Build the Fence   6 953 29.41
21
13
27 Sorting Bank Accounts   6 3538 40.32
3
1
28 Help the Military Recruitment Office!   2 334 12.54
17
1
29 Hash it!   1 1466 21.60
1
1
30 Bytelandian Blingors Network   8 1652 33.45
15
9
31 Fast Multiplication   5 1553 13.08
6
6
32 A Needle in the Haystack   23 3285 35.49
12
10
33 Trip   3 756 19.28
17
17
34 Run Away   202 32.43
35 Equipment Box   1 736 13.94
1
34
36 Secret Code   2 164 25.29
17
26
37 The Proper Key   122 22.19
38 Labyrinth   5 2206 23.42
17
23
39 Piggy-Bank   19 3517 32.73
12
12
40 Lifting the Stone   2 1043 20.83
9
9
41 Play on Words   6 1833 17.60
15
26
42 Adding Reversed Numbers   9 28489 48.15
6
5
43 Copying Books   1034 24.89
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 1911 35.75
12
15
49 Hares and Foxes   93 12.73
50 Invitation Cards   3 622 37.84
17
17
51 Fake tournament   5 765 21.90
13
24
54 Julka   15 10445 28.39
21
4

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