list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   148 110686 32.90
3
3
2 Prime Generator   274 35169 15.34
17
15
3 Substring Check (Bug Funny)   1 753 10.44
41
9
4 Transform the Expression   81 22354 48.81
10
11
5 The Next Palindrome   211 11309 10.00
24
19
6 Simple Arithmetics   3 1940 12.28
31
8
7 The Bulk!   3 324 27.05
30
17
8 Complete the Sequence!   17 1968 32.56
14
15
9 Direct Visibility   194 18.53
34
34
10 Complicated Expressions   3 676 26.04
12
6
11 Factorial   83 31489 45.78
6
12
12 The Game of Master-Mind   215 43.38
13 Hotline   151 27.97
14 I-Keyboard   4 721 37.36
26
23
15 The Shortest Path   52 3120 21.38
22
15
16 Sphere in a tetrahedron   6 2029 58.33
10
10
17 The Bytelandian Cryptographer (Act I)   5 707 32.64
12
23
18 The Bytelandian Cryptographer (Act II)   1 608 37.05
30
1
19 The Bytelandian Cryptographer (Act III)   1 120 41.43
17
17
20 The Bytelandian Cryptographer (Act IV)   38 21.88
28
34
22 Triangle From Centroid   6 1374 43.32
6
17
23 Pyramids   -19 3614 37.03
7
12
24 Small factorials   69 25889 30.23
15
9
25 Pouring water   42 2919 21.46
18
21
26 Build the Fence   24 1347 31.07
22
16
27 Sorting Bank Accounts   25 4819 40.43
9
6
28 Help the Military Recruitment Office!   2 399 12.88
13
1
29 Hash it!   7 1811 21.63
12
3
30 Bytelandian Blingors Network   25 2217 35.29
16
9
31 Fast Multiplication   24 2991 15.72
13
13
32 A Needle in the Haystack   80 5104 36.39
15
13
33 Trip   12 984 20.38
26
14
34 Run Away   223 33.16
35 Equipment Box   2 827 13.78
13
21
36 Secret Code   4 178 24.49
17
26
37 The Proper Key   1 126 21.88
17
17
38 Labyrinth   36 3170 24.45
19
17
39 Piggy-Bank   65 4806 33.52
15
16
40 Lifting the Stone   3 1215 21.69
17
20
41 Play on Words   21 2133 17.75
18
25
42 Adding Reversed Numbers   42 38254 48.25
6
4
43 Copying Books   14 1412 24.58
17
21
44 Substitution Cipher   1 294 15.36
17
17
45 Commedia dell Arte   190 38.73
1
17
47 Skyscraper Floors   2 242 13.60
17
17
48 Glass Beads   19 2261 36.01
15
18
49 Hares and Foxes   -1 96 10.81
50 Invitation Cards   15 840 39.53
16
17
51 Fake tournament   22 1041 23.77
12
16
54 Julka   67 13484 27.95
19
6

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