list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   179 120184 32.84
3
3
2 Prime Generator   328 38966 15.40
17
14
3 Substring Check (Bug Funny)   -1 787 10.22
42
12
4 Transform the Expression   109 24198 48.49
11
11
5 The Next Palindrome   246 12283 10.04
25
19
6 Simple Arithmetics   5 2026 12.30
31
7
7 The Bulk!   3 334 26.49
30
17
8 Complete the Sequence!   19 2074 32.91
15
17
9 Direct Visibility   200 18.77
34
34
10 Complicated Expressions   5 698 26.08
14
9
11 Factorial   95 33586 45.80
5
12
12 The Game of Master-Mind   227 43.68
13 Hotline   155 28.07
14 I-Keyboard   4 730 37.18
26
23
15 The Shortest Path   66 3470 21.74
20
13
16 Sphere in a tetrahedron   6 2097 58.36
11
12
17 The Bytelandian Cryptographer (Act I)   5 728 32.95
12
23
18 The Bytelandian Cryptographer (Act II)   2 624 36.89
28
1
19 The Bytelandian Cryptographer (Act III)   1 122 41.67
17
17
20 The Bytelandian Cryptographer (Act IV)   40 25.80
28
34
22 Triangle From Centroid   7 1405 43.42
8
19
23 Pyramids   -21 3729 36.50
8
14
24 Small factorials   77 27596 30.13
14
9
25 Pouring water   49 3163 21.77
17
21
26 Build the Fence   25 1484 31.46
23
17
27 Sorting Bank Accounts   28 5283 40.47
9
6
28 Help the Military Recruitment Office!   2 416 12.88
13
1
29 Hash it!   9 1955 21.06
12
4
30 Bytelandian Blingors Network   33 2388 35.90
15
9
31 Fast Multiplication   29 3387 16.31
13
12
32 A Needle in the Haystack   92 5570 36.69
14
13
33 Trip   11 1033 20.40
27
13
34 Run Away   233 33.59
35 Equipment Box   2 845 13.64
13
21
36 Secret Code   5 179 23.92
17
17
37 The Proper Key   1 125 21.46
17
17
38 Labyrinth   46 3413 24.38
19
16
39 Piggy-Bank   80 5156 33.84
14
16
40 Lifting the Stone   4 1248 21.71
15
17
41 Play on Words   25 2251 17.85
21
27
42 Adding Reversed Numbers   53 40968 48.38
6
4
43 Copying Books   21 1536 23.97
18
19
44 Substitution Cipher   1 294 15.32
17
17
45 Commedia dell Arte   194 39.01
1
17
47 Skyscraper Floors   2 243 13.46
17
17
48 Glass Beads   22 2337 36.30
15
17
49 Hares and Foxes   -1 97 10.77
50 Invitation Cards   16 909 40.81
16
17
51 Fake tournament   24 1114 24.06
15
18
54 Julka   76 14216 27.82
19
6

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