list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   95 87344 33.20
3
2
2 Prime Generator   140 27105 15.60
18
15
3 Substring Check (Bug Funny)   2 627 10.63
37
4
4 Transform the Expression   35 18246 49.19
8
10
5 The Next Palindrome   97 9111 9.96
24
21
6 Simple Arithmetics   1 1707 12.39
31
6
7 The Bulk!   1 299 26.50
26
9
8 Complete the Sequence!   7 1707 32.53
15
17
9 Direct Visibility   184 18.13
10 Complicated Expressions   1 618 26.60
17
1
11 Factorial   41 26800 45.53
7
10
12 The Game of Master-Mind   192 44.47
13 Hotline   143 29.66
14 I-Keyboard   1 667 37.22
15 The Shortest Path   18 2280 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   32 22010 30.41
16
10
25 Pouring water   17 2353 19.97
17
17
26 Build the Fence   15 1077 30.09
22
16
27 Sorting Bank Accounts   13 3930 40.48
6
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 2113 14.27
6
7
32 A Needle in the Haystack   44 3862 36.04
14
11
33 Trip   5 814 19.01
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   15 2463 23.64
18
17
39 Piggy-Bank   32 4001 32.80
14
16
40 Lifting the Stone   3 1118 21.09
21
21
41 Play on Words   10 1929 17.56
15
26
42 Adding Reversed Numbers   20 31963 48.17
6
5
43 Copying Books   2 1133 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 11617 28.32
18
5

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