list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   36 69697 33.91
2
1
2 Prime Generator   31 21374 16.32
16
12
3 Substring Check (Bug Funny)   487 9.33
4 Transform the Expression   8 15230 49.69
3
6
5 The Next Palindrome   26 7379 10.16
24
22
6 Simple Arithmetics   1559 12.65
23
9
7 The Bulk!   278 26.37
8 Complete the Sequence!   1 1487 32.86
17
17
9 Direct Visibility   179 19.07
10 Complicated Expressions   581 26.93
11 Factorial   11 22555 45.64
8
9
12 The Game of Master-Mind   178 45.80
13 Hotline   142 29.90
14 I-Keyboard   633 37.30
15 The Shortest Path   3 1826 20.82
26
17
16 Sphere in a tetrahedron   1 1531 57.38
17
34
17 The Bytelandian Cryptographer (Act I)   573 31.53
18 The Bytelandian Cryptographer (Act II)   548 36.91
19 The Bytelandian Cryptographer (Act III)   111 44.13
20 The Bytelandian Cryptographer (Act IV)   1 31 7.32
34
50
22 Triangle From Centroid   1 1069 41.08
1
17
23 Pyramids   -3 2763 36.43
9
9
24 Small factorials   9 18490 30.44
15
8
25 Pouring water   3 1948 19.32
17
1
26 Build the Fence   2 897 29.44
17
17
27 Sorting Bank Accounts   2 3315 40.15
1
1
28 Help the Military Recruitment Office!   327 12.49
29 Hash it!   1403 21.40
30 Bytelandian Blingors Network   3 1546 33.04
17
9
31 Fast Multiplication   1 1322 12.53
1
1
32 A Needle in the Haystack   3 2973 35.15
9
12
33 Trip   727 19.28
34 Run Away   199 31.77
35 Equipment Box   702 13.82
36 Secret Code   1 161 25.53
1
17
37 The Proper Key   120 22.08
38 Labyrinth   2 2096 23.37
17
17
39 Piggy-Bank   5 3259 32.45
13
15
40 Lifting the Stone   2 994 20.61
9
9
41 Play on Words   2 1763 17.63
26
17
42 Adding Reversed Numbers   4 26801 48.06
7
6
43 Copying Books   1007 24.93
44 Substitution Cipher   1 270 14.96
17
17
45 Commedia dell Arte   160 40.65
47 Skyscraper Floors   230 14.05
48 Glass Beads   3 1803 35.67
14
17
49 Hares and Foxes   90 12.86
50 Invitation Cards   1 599 37.38
51 Fake tournament   1 726 21.52
17
34
54 Julka   4 9751 28.38
21
6

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