list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   95 87411 33.21
3
2
2 Prime Generator   141 27131 15.59
18
15
3 Substring Check (Bug Funny)   2 627 10.63
37
4
4 Transform the Expression   35 18268 49.18
8
10
5 The Next Palindrome   97 9121 9.96
24
21
6 Simple Arithmetics   1 1708 12.40
31
6
7 The Bulk!   1 299 26.50
26
9
8 Complete the Sequence!   7 1708 32.54
15
17
9 Direct Visibility   184 18.13
10 Complicated Expressions   1 618 26.60
17
1
11 Factorial   41 26816 45.53
7
10
12 The Game of Master-Mind   192 44.47
13 Hotline   144 29.92
14 I-Keyboard   1 667 37.22
15 The Shortest Path   18 2282 21.05
21
15
16 Sphere in a tetrahedron   3 1766 57.90
14
11
17 The Bytelandian Cryptographer (Act I)   3 647 32.43
17
17
18 The Bytelandian Cryptographer (Act II)   574 37.09
34
1
19 The Bytelandian Cryptographer (Act III)   118 45.02
20 The Bytelandian Cryptographer (Act IV)   1 33 7.09
26
42
22 Triangle From Centroid   3 1238 42.66
11
24
23 Pyramids   -13 3202 36.99
5
13
24 Small factorials   33 22025 30.42
16
10
25 Pouring water   17 2354 19.97
17
17
26 Build the Fence   15 1079 30.07
22
16
27 Sorting Bank Accounts   14 3930 40.48
8
4
28 Help the Military Recruitment Office!   1 352 12.69
17
1
29 Hash it!   3 1554 21.44
12
6
30 Bytelandian Blingors Network   12 1824 34.08
17
9
31 Fast Multiplication   12 2114 14.27
6
7
32 A Needle in the Haystack   44 3866 36.03
14
11
33 Trip   5 815 19.02
17
21
34 Run Away   210 32.85
35 Equipment Box   2 772 13.94
9
34
36 Secret Code   2 165 24.78
17
26
37 The Proper Key   124 22.44
38 Labyrinth   17 2467 23.64
20
18
39 Piggy-Bank   33 4008 32.80
14
15
40 Lifting the Stone   3 1119 21.10
21
21
41 Play on Words   10 1930 17.57
15
26
42 Adding Reversed Numbers   20 31975 48.18
6
5
43 Copying Books   2 1134 25.20
17
21
44 Substitution Cipher   2 286 15.30
17
17
45 Commedia dell Arte   163 40.04
1
17
47 Skyscraper Floors   1 235 13.71
48 Glass Beads   10 2051 36.00
15
16
49 Hares and Foxes   94 11.90
50 Invitation Cards   8 673 38.35
17
17
51 Fake tournament   15 861 22.56
12
16
54 Julka   36 11626 28.33
18
5

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