list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   159 113137 32.86
3
3
2 Prime Generator   289 36127 15.34
17
15
3 Substring Check (Bug Funny)   1 760 10.34
41
9
4 Transform the Expression   85 22848 48.78
11
11
5 The Next Palindrome   225 11563 10.01
24
19
6 Simple Arithmetics   3 1964 12.31
31
8
7 The Bulk!   3 327 26.64
30
17
8 Complete the Sequence!   18 2001 32.69
14
15
9 Direct Visibility   195 18.53
34
34
10 Complicated Expressions   3 681 26.07
12
6
11 Factorial   89 32081 45.76
6
12
12 The Game of Master-Mind   218 43.48
13 Hotline   154 28.19
14 I-Keyboard   4 725 37.35
26
23
15 The Shortest Path   56 3236 21.55
21
14
16 Sphere in a tetrahedron   6 2062 58.35
9
12
17 The Bytelandian Cryptographer (Act I)   5 712 32.71
12
23
18 The Bytelandian Cryptographer (Act II)   1 611 36.87
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   -19 3667 36.76
7
14
24 Small factorials   73 26347 30.20
15
9
25 Pouring water   44 3005 21.60
17
21
26 Build the Fence   25 1381 31.18
21
16
27 Sorting Bank Accounts   27 4972 40.46
9
6
28 Help the Military Recruitment Office!   2 404 12.89
13
1
29 Hash it!   7 1836 21.51
12
3
30 Bytelandian Blingors Network   29 2277 35.23
15
9
31 Fast Multiplication   27 3098 15.93
13
12
32 A Needle in the Haystack   84 5267 36.54
15
14
33 Trip   12 999 20.44
26
14
34 Run Away   227 33.33
35 Equipment Box   2 835 13.80
13
21
36 Secret Code   5 179 24.39
17
17
37 The Proper Key   1 126 21.88
17
17
38 Labyrinth   38 3233 24.41
18
16
39 Piggy-Bank   75 4930 33.73
14
16
40 Lifting the Stone   4 1226 21.71
15
17
41 Play on Words   23 2180 17.79
19
25
42 Adding Reversed Numbers   44 38929 48.33
6
4
43 Copying Books   18 1470 24.56
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 2287 36.10
14
17
49 Hares and Foxes   -1 96 10.77
50 Invitation Cards   16 874 40.30
16
17
51 Fake tournament   24 1072 24.09
13
16
54 Julka   70 13698 27.96
19
6

Most popular tags