list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   272 167002 33.52
3
3
2 Prime Generator   539 57169 15.71
15
14
3 Substring Check (Bug Funny)   6 981 9.86
41
12
4 Transform the Expression   235 33566 49.46
12
11
5 The Next Palindrome   427 16008 10.27
25
18
6 Simple Arithmetics   11 2387 12.33
31
8
7 The Bulk!   4 375 22.98
28
20
8 Complete the Sequence!   29 2669 34.18
16
18
9 Direct Visibility   1 214 16.37
21
26
10 Complicated Expressions   10 895 27.28
16
16
11 Factorial   157 43622 45.90
5
12
12 The Game of Master-Mind   270 42.66
13 Hotline   170 24.97
14 I-Keyboard   4 780 36.89
28
26
15 The Shortest Path   132 5398 23.54
16
12
16 Sphere in a tetrahedron   11 2397 57.67
12
14
17 The Bytelandian Cryptographer (Act I)   8 814 33.50
17
24
18 The Bytelandian Cryptographer (Act II)   4 650 34.47
25
1
19 The Bytelandian Cryptographer (Act III)   1 124 40.90
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.91
28
34
22 Triangle From Centroid   9 1571 44.26
8
21
23 Pyramids   -24 4208 36.33
9
14
24 Small factorials   144 35766 30.26
15
9
25 Pouring water   89 4070 22.81
18
22
26 Build the Fence   35 1815 31.52
22
17
27 Sorting Bank Accounts   49 6663 40.82
11
6
28 Help the Military Recruitment Office!   6 490 13.52
12
8
29 Hash it!   11 2529 22.34
15
6
30 Bytelandian Blingors Network   52 3150 37.99
14
10
31 Fast Multiplication   44 4989 18.71
14
13
32 A Needle in the Haystack   151 7600 38.32
14
13
33 Trip   17 1293 22.48
25
15
34 Run Away   2 281 31.43
26
34
35 Equipment Box   4 933 13.91
9
17
36 Secret Code   6 196 24.34
17
17
37 The Proper Key   1 131 20.03
17
17
38 Labyrinth   86 4533 25.11
18
15
39 Piggy-Bank   130 6453 35.00
14
16
40 Lifting the Stone   6 1343 22.13
14
17
41 Play on Words   39 2598 18.50
21
24
42 Adding Reversed Numbers   88 53723 49.23
5
4
43 Copying Books   36 1904 23.57
19
19
44 Substitution Cipher   2 303 15.18
17
17
45 Commedia dell Arte   204 37.79
1
17
47 Skyscraper Floors   4 265 13.37
26
17
48 Glass Beads   24 2580 37.30
15
17
49 Hares and Foxes   -1 101 10.24
50 Invitation Cards   29 1165 42.85
16
19
51 Fake tournament   41 1330 25.30
18
20
54 Julka   150 17611 27.17
19
6

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