list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   121 98961 32.96
3
2
2 Prime Generator   197 30997 15.33
18
15
3 Substring Check (Bug Funny)   705 10.85
39
10
4 Transform the Expression   58 20348 49.11
9
11
5 The Next Palindrome   148 10193 9.93
24
20
6 Simple Arithmetics   2 1829 12.28
32
10
7 The Bulk!   3 312 27.59
30
17
8 Complete the Sequence!   12 1837 32.67
17
16
9 Direct Visibility   188 18.12
10 Complicated Expressions   2 652 26.60
17
9
11 Factorial   62 29106 45.63
6
11
12 The Game of Master-Mind   206 43.73
13 Hotline   148 28.32
14 I-Keyboard   3 699 37.30
26
26
15 The Shortest Path   36 2733 21.25
21
13
16 Sphere in a tetrahedron   6 1889 58.23
12
8
17 The Bytelandian Cryptographer (Act I)   5 676 32.28
12
23
18 The Bytelandian Cryptographer (Act II)   592 37.32
34
1
19 The Bytelandian Cryptographer (Act III)   118 44.71
20 The Bytelandian Cryptographer (Act IV)   33 7.12
28
34
22 Triangle From Centroid   4 1298 42.97
9
23
23 Pyramids   -15 3426 37.10
6
13
24 Small factorials   52 23885 30.31
16
10
25 Pouring water   31 2641 20.78
17
19
26 Build the Fence   20 1209 30.47
22
15
27 Sorting Bank Accounts   20 4354 40.56
9
6
28 Help the Military Recruitment Office!   1 369 12.73
17
1
29 Hash it!   4 1654 21.41
11
4
30 Bytelandian Blingors Network   22 2029 34.98
14
8
31 Fast Multiplication   22 2597 15.11
11
11
32 A Needle in the Haystack   68 4483 36.11
13
13
33 Trip   10 904 20.07
26
15
34 Run Away   215 33.04
35 Equipment Box   2 804 13.88
13
21
36 Secret Code   4 174 25.03
17
26
37 The Proper Key   1 125 22.17
17
17
38 Labyrinth   23 2824 24.05
18
17
39 Piggy-Bank   50 4448 33.20
15
15
40 Lifting the Stone   3 1162 21.41
17
21
41 Play on Words   15 2031 17.66
17
21
42 Adding Reversed Numbers   29 35002 48.16
6
5
43 Copying Books   7 1300 25.13
19
23
44 Substitution Cipher   1 293 15.47
17
17
45 Commedia dell Arte   166 39.16
1
17
47 Skyscraper Floors   1 241 13.64
48 Glass Beads   14 2166 35.69
13
15
49 Hares and Foxes   -1 96 10.92
50 Invitation Cards   12 761 38.73
17
19
51 Fake tournament   19 969 23.44
12
16
54 Julka   51 12577 28.09
18
5

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