list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   159 113377 32.86
3
3
2 Prime Generator   291 36239 15.34
17
15
3 Substring Check (Bug Funny)   1 761 10.33
41
9
4 Transform the Expression   85 22888 48.77
11
11
5 The Next Palindrome   226 11591 10.01
24
19
6 Simple Arithmetics   3 1970 12.32
31
8
7 The Bulk!   3 327 26.61
30
17
8 Complete the Sequence!   18 2006 32.73
14
15
9 Direct Visibility   195 18.53
34
34
10 Complicated Expressions   3 681 26.07
12
6
11 Factorial   89 32133 45.76
6
12
12 The Game of Master-Mind   218 43.38
13 Hotline   154 28.19
14 I-Keyboard   4 725 37.32
26
23
15 The Shortest Path   56 3244 21.57
21
14
16 Sphere in a tetrahedron   6 2064 58.37
9
12
17 The Bytelandian Cryptographer (Act I)   5 713 32.72
12
23
18 The Bytelandian Cryptographer (Act II)   1 611 36.85
30
1
19 The Bytelandian Cryptographer (Act III)   1 120 41.43
17
17
20 The Bytelandian Cryptographer (Act IV)   39 21.85
28
34
22 Triangle From Centroid   7 1385 43.35
8
19
23 Pyramids   -20 3671 36.75
7
14
24 Small factorials   74 26393 30.20
15
9
25 Pouring water   44 3010 21.60
17
21
26 Build the Fence   25 1383 31.20
21
16
27 Sorting Bank Accounts   26 4995 40.43
10
7
28 Help the Military Recruitment Office!   2 404 12.88
13
1
29 Hash it!   7 1837 21.50
12
3
30 Bytelandian Blingors Network   30 2283 35.26
15
9
31 Fast Multiplication   28 3107 15.94
12
12
32 A Needle in the Haystack   84 5276 36.56
15
14
33 Trip   12 1003 20.42
26
14
34 Run Away   227 33.33
35 Equipment Box   2 835 13.80
13
21
36 Secret Code   5 179 24.34
17
17
37 The Proper Key   1 126 21.88
17
17
38 Labyrinth   38 3235 24.41
18
16
39 Piggy-Bank   75 4943 33.76
14
16
40 Lifting the Stone   4 1228 21.71
15
17
41 Play on Words   23 2180 17.78
19
25
42 Adding Reversed Numbers   47 38997 48.33
6
4
43 Copying Books   18 1470 24.52
18
20
44 Substitution Cipher   1 295 15.36
17
17
45 Commedia dell Arte   190 38.67
1
17
47 Skyscraper Floors   2 244 13.64
17
17
48 Glass Beads   20 2290 36.11
14
17
49 Hares and Foxes   -1 96 10.77
50 Invitation Cards   16 875 40.31
16
17
51 Fake tournament   24 1074 24.08
13
16
54 Julka   70 13721 27.96
19
6

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