list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   58 75478 33.72
3
2
2 Prime Generator   70 23368 16.14
16
13
3 Substring Check (Bug Funny)   1 530 9.83
38
5
4 Transform the Expression   19 16261 49.50
5
9
5 The Next Palindrome   54 7989 10.04
22
20
6 Simple Arithmetics   -1 1609 12.57
27
8
7 The Bulk!   286 26.69
8 Complete the Sequence!   4 1572 32.51
9
17
9 Direct Visibility   180 18.64
10 Complicated Expressions   592 26.84
11 Factorial   21 24018 45.64
5
9
12 The Game of Master-Mind   184 44.85
13 Hotline   143 30.12
14 I-Keyboard   638 37.24
15 The Shortest Path   7 1962 20.92
21
15
16 Sphere in a tetrahedron   1 1613 57.59
9
17
17 The Bytelandian Cryptographer (Act I)   1 601 32.03
1
1
18 The Bytelandian Cryptographer (Act II)   559 36.91
34
1
19 The Bytelandian Cryptographer (Act III)   114 44.25
20 The Bytelandian Cryptographer (Act IV)   1 31 7.15
34
50
22 Triangle From Centroid   2 1136 41.87
1
9
23 Pyramids   -6 2896 36.59
6
8
24 Small factorials   15 19682 30.49
17
9
25 Pouring water   6 2088 19.60
17
6
26 Build the Fence   6 952 29.45
21
13
27 Sorting Bank Accounts   6 3530 40.30
3
1
28 Help the Military Recruitment Office!   2 334 12.54
17
1
29 Hash it!   1 1463 21.58
1
1
30 Bytelandian Blingors Network   8 1639 33.35
15
9
31 Fast Multiplication   4 1541 13.06
1
1
32 A Needle in the Haystack   22 3266 35.47
12
11
33 Trip   2 752 19.24
17
34
34 Run Away   202 32.43
35 Equipment Box   1 736 13.96
1
34
36 Secret Code   2 164 25.32
17
26
37 The Proper Key   122 22.19
38 Labyrinth   5 2201 23.40
17
23
39 Piggy-Bank   18 3507 32.73
12
12
40 Lifting the Stone   2 1040 20.79
9
9
41 Play on Words   6 1832 17.60
15
26
42 Adding Reversed Numbers   9 28407 48.16
6
5
43 Copying Books   1033 24.90
44 Substitution Cipher   2 277 15.10
17
17
45 Commedia dell Arte   161 40.61
47 Skyscraper Floors   1 234 14.04
48 Glass Beads   4 1906 35.74
12
15
49 Hares and Foxes   93 12.75
50 Invitation Cards   3 619 37.77
17
17
51 Fake tournament   5 763 21.88
13
24
54 Julka   15 10420 28.39
22
4

Most popular tags