list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   303 221630 33.16
4
3
2 Prime Generator   630 82259 16.24
15
14
3 Substring Check (Bug Funny)   9 1078 7.09
40
15
4 Transform the Expression   258 44078 49.39
12
11
5 The Next Palindrome   452 20508 10.77
25
18
6 Simple Arithmetics   12 3055 12.01
30
9
7 The Bulk!   6 527 15.07
30
24
8 Complete the Sequence!   32 4473 36.84
16
18
9 Direct Visibility   4 263 11.64
30
21
10 Complicated Expressions   11 1569 31.68
17
17
11 Factorial   175 60158 45.06
6
12
12 The Game of Master-Mind   1 780 44.48
17
17
13 Hotline   2 212 16.33
34
23
14 I-Keyboard   8 1299 42.78
24
21
15 The Shortest Path   157 7656 24.04
17
12
16 Sphere in a tetrahedron   12 3536 55.37
11
16
17 The Bytelandian Cryptographer (Act I)   9 1382 41.59
15
26
18 The Bytelandian Cryptographer (Act II)   4 666 28.57
25
1
19 The Bytelandian Cryptographer (Act III)   1 129 34.89
17
26
20 The Bytelandian Cryptographer (Act IV)   2 57 25.89
21
34
22 Triangle From Centroid   10 2696 45.36
8
20
23 Pyramids   -20 5705 36.70
9
15
24 Small factorials   154 51088 29.61
15
9
25 Pouring water   100 5527 24.31
19
22
26 Build the Fence   37 2246 28.06
22
17
27 Sorting Bank Accounts   53 8936 40.33
11
6
28 Help the Military Recruitment Office!   8 793 16.16
12
9
29 Hash it!   14 3643 24.15
14
8
30 Bytelandian Blingors Network   54 3771 39.21
14
10
31 Fast Multiplication   48 8997 20.74
15
12
32 A Needle in the Haystack   193 11268 38.32
15
14
33 Trip   17 2045 26.36
25
16
34 Run Away   2 527 22.24
26
34
35 Equipment Box   6 1325 14.50
8
21
36 Secret Code   6 550 35.59
17
17
37 The Proper Key   1 138 13.97
17
17
38 Labyrinth   98 5341 25.79
18
16
39 Piggy-Bank   140 8208 35.47
14
16
40 Lifting the Stone   6 1636 23.68
13
16
41 Play on Words   43 3289 19.54
21
24
42 Adding Reversed Numbers   103 84576 48.51
6
4
43 Copying Books   45 2821 25.74
19
19
44 Substitution Cipher   3 332 13.62
17
17
45 Commedia dell Arte   2 248 32.97
5
26
47 Skyscraper Floors   8 291 12.67
22
22
48 Glass Beads   29 3452 38.03
15
18
49 Hares and Foxes   1 110 7.58
17
26
50 Invitation Cards   29 1766 42.98
16
18
51 Fake tournament   43 1808 26.96
18
19
54 Julka   163 23349 27.51
19
6

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