list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   276 175908 32.37
4
3
2 Prime Generator   575 61244 15.26
15
14
3 Substring Check (Bug Funny)   4 1017 9.70
42
16
4 Transform the Expression   249 35560 48.43
12
11
5 The Next Palindrome   438 16902 10.34
25
18
6 Simple Arithmetics   11 2522 12.50
31
9
7 The Bulk!   4 377 20.43
29
20
8 Complete the Sequence!   29 2973 34.99
16
19
9 Direct Visibility   1 217 15.28
21
26
10 Complicated Expressions   10 967 27.78
16
16
11 Factorial   162 46313 44.96
5
12
12 The Game of Master-Mind   336 44.38
13 Hotline   168 22.20
14 I-Keyboard   5 820 37.14
28
26
15 The Shortest Path   141 5798 23.19
16
12
16 Sphere in a tetrahedron   11 2573 56.19
12
14
17 The Bytelandian Cryptographer (Act I)   8 889 34.79
17
24
18 The Bytelandian Cryptographer (Act II)   4 652 33.52
25
1
19 The Bytelandian Cryptographer (Act III)   1 124 40.77
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.74
28
34
22 Triangle From Centroid   8 1741 43.44
10
22
23 Pyramids   -23 4414 34.77
10
15
24 Small factorials   148 38292 29.97
15
9
25 Pouring water   93 4358 23.07
19
22
26 Build the Fence   36 1918 30.51
22
17
27 Sorting Bank Accounts   49 7199 39.88
11
6
28 Help the Military Recruitment Office!   6 513 13.62
12
8
29 Hash it!   12 2740 22.52
15
7
30 Bytelandian Blingors Network   53 3273 37.34
14
9
31 Fast Multiplication   47 5791 18.56
15
12
32 A Needle in the Haystack   171 8387 36.67
14
14
33 Trip   17 1420 22.80
25
15
34 Run Away   2 287 25.09
26
34
35 Equipment Box   5 996 13.32
8
20
36 Secret Code   6 259 27.34
17
17
37 The Proper Key   1 130 18.84
17
17
38 Labyrinth   95 4743 24.79
18
16
39 Piggy-Bank   133 6815 33.80
14
16
40 Lifting the Stone   6 1368 21.87
13
16
41 Play on Words   41 2731 18.33
21
24
42 Adding Reversed Numbers   94 56935 48.25
6
4
43 Copying Books   40 2054 23.39
19
19
44 Substitution Cipher   2 305 14.82
17
17
45 Commedia dell Arte   205 37.96
1
17
47 Skyscraper Floors   5 263 13.11
28
17
48 Glass Beads   24 2715 35.36
15
17
49 Hares and Foxes   -1 103 9.89
17
34
50 Invitation Cards   29 1243 39.36
16
19
51 Fake tournament   41 1398 25.26
18
20
54 Julka   155 18608 26.77
19
6

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