list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   116 97062 32.98
3
2
2 Prime Generator   182 30437 15.39
18
15
3 Substring Check (Bug Funny)   699 10.88
39
10
4 Transform the Expression   57 20073 49.11
9
11
5 The Next Palindrome   145 10025 9.94
24
20
6 Simple Arithmetics   2 1811 12.32
32
10
7 The Bulk!   3 311 27.77
30
17
8 Complete the Sequence!   11 1818 32.68
17
16
9 Direct Visibility   189 18.20
10 Complicated Expressions   2 650 26.58
17
9
11 Factorial   55 28759 45.61
6
10
12 The Game of Master-Mind   205 43.71
13 Hotline   149 29.00
14 I-Keyboard   3 695 37.25
26
26
15 The Shortest Path   34 2692 21.16
21
14
16 Sphere in a tetrahedron   6 1878 58.23
12
8
17 The Bytelandian Cryptographer (Act I)   5 670 32.16
12
23
18 The Bytelandian Cryptographer (Act II)   587 37.28
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 1293 42.97
9
23
23 Pyramids   -15 3401 37.17
6
13
24 Small factorials   52 23582 30.42
16
10
25 Pouring water   30 2614 20.74
17
19
26 Build the Fence   20 1201 30.50
22
15
27 Sorting Bank Accounts   17 4297 40.66
8
5
28 Help the Military Recruitment Office!   1 367 12.76
17
1
29 Hash it!   4 1648 21.41
11
4
30 Bytelandian Blingors Network   20 2014 34.91
16
8
31 Fast Multiplication   21 2551 15.08
11
12
32 A Needle in the Haystack   65 4390 36.00
13
12
33 Trip   8 892 20.05
27
17
34 Run Away   214 33.01
35 Equipment Box   2 802 13.88
13
21
36 Secret Code   4 174 25.03
17
26
37 The Proper Key   1 125 22.24
17
17
38 Labyrinth   23 2793 24.02
18
17
39 Piggy-Bank   49 4402 33.10
15
15
40 Lifting the Stone   3 1156 21.39
17
21
41 Play on Words   14 2021 17.65
19
23
42 Adding Reversed Numbers   29 34523 48.18
6
5
43 Copying Books   6 1285 24.98
19
21
44 Substitution Cipher   1 293 15.47
17
17
45 Commedia dell Arte   166 39.31
1
17
47 Skyscraper Floors   1 241 13.64
48 Glass Beads   14 2158 35.67
13
15
49 Hares and Foxes   -1 96 10.96
50 Invitation Cards   11 748 38.77
17
21
51 Fake tournament   17 961 23.39
13
16
54 Julka   52 12464 28.12
18
5

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