list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   95 87143 33.22
3
2
2 Prime Generator   139 27032 15.61
18
15
3 Substring Check (Bug Funny)   2 627 10.66
37
4
4 Transform the Expression   35 18199 49.26
8
10
5 The Next Palindrome   95 9084 9.96
24
21
6 Simple Arithmetics   1 1706 12.40
31
6
7 The Bulk!   1 299 26.50
26
9
8 Complete the Sequence!   7 1705 32.53
15
17
9 Direct Visibility   184 18.13
10 Complicated Expressions   1 616 26.55
17
1
11 Factorial   41 26753 45.54
7
10
12 The Game of Master-Mind   192 44.47
13 Hotline   143 29.66
14 I-Keyboard   1 667 37.22
15 The Shortest Path   18 2277 21.07
21
15
16 Sphere in a tetrahedron   3 1765 57.89
14
11
17 The Bytelandian Cryptographer (Act I)   3 647 32.43
17
17
18 The Bytelandian Cryptographer (Act II)   574 37.09
34
1
19 The Bytelandian Cryptographer (Act III)   118 45.02
20 The Bytelandian Cryptographer (Act IV)   1 33 7.09
26
42
22 Triangle From Centroid   3 1238 42.66
11
24
23 Pyramids   -12 3196 36.98
6
13
24 Small factorials   32 21973 30.41
16
10
25 Pouring water   17 2348 19.96
17
17
26 Build the Fence   15 1073 30.07
22
16
27 Sorting Bank Accounts   13 3921 40.47
6
4
28 Help the Military Recruitment Office!   1 352 12.70
17
1
29 Hash it!   3 1554 21.44
12
6
30 Bytelandian Blingors Network   12 1822 34.07
17
9
31 Fast Multiplication   12 2100 14.25
6
7
32 A Needle in the Haystack   44 3848 36.01
14
11
33 Trip   5 814 19.02
17
21
34 Run Away   210 32.85
35 Equipment Box   2 772 13.95
9
34
36 Secret Code   2 165 24.78
17
26
37 The Proper Key   124 22.44
38 Labyrinth   15 2456 23.61
18
17
39 Piggy-Bank   32 3985 32.82
14
16
40 Lifting the Stone   3 1118 21.09
21
21
41 Play on Words   10 1928 17.57
15
26
42 Adding Reversed Numbers   20 31911 48.16
6
5
43 Copying Books   2 1131 25.19
17
21
44 Substitution Cipher   2 286 15.30
17
17
45 Commedia dell Arte   163 40.04
1
17
47 Skyscraper Floors   1 235 13.71
48 Glass Beads   10 2051 36.00
15
16
49 Hares and Foxes   94 11.90
50 Invitation Cards   8 672 38.33
17
17
51 Fake tournament   15 860 22.54
12
16
54 Julka   35 11595 28.34
18
5

Most popular tags