list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   43 71573 33.89
2
1
2 Prime Generator   47 21988 16.25
16
11
3 Substring Check (Bug Funny)   499 9.45
42
1
4 Transform the Expression   12 15560 49.67
4
8
5 The Next Palindrome   38 7601 10.16
23
20
6 Simple Arithmetics   -1 1578 12.62
27
8
7 The Bulk!   282 26.43
8 Complete the Sequence!   3 1513 32.86
9
17
9 Direct Visibility   179 18.91
10 Complicated Expressions   585 26.87
11 Factorial   15 22999 45.69
6
8
12 The Game of Master-Mind   178 45.66
13 Hotline   142 29.90
14 I-Keyboard   632 37.25
15 The Shortest Path   5 1859 20.81
24
17
16 Sphere in a tetrahedron   1 1549 57.03
17
34
17 The Bytelandian Cryptographer (Act I)   583 31.73
18 The Bytelandian Cryptographer (Act II)   550 36.94
19 The Bytelandian Cryptographer (Act III)   112 44.17
20 The Bytelandian Cryptographer (Act IV)   1 31 7.25
34
50
22 Triangle From Centroid   1 1084 41.35
1
17
23 Pyramids   -3 2794 36.55
8
8
24 Small factorials   11 18868 30.45
14
8
25 Pouring water   5 1995 19.35
17
1
26 Build the Fence   4 920 29.45
17
12
27 Sorting Bank Accounts   3 3384 40.23
1
1
28 Help the Military Recruitment Office!   327 12.49
29 Hash it!   1411 21.46
30 Bytelandian Blingors Network   4 1564 33.12
17
9
31 Fast Multiplication   2 1379 12.65
1
1
32 A Needle in the Haystack   6 3043 35.27
12
11
33 Trip   730 19.16
34 Run Away   200 31.91
35 Equipment Box   1 709 13.84
1
34
36 Secret Code   1 161 25.35
1
17
37 The Proper Key   121 22.20
38 Labyrinth   2 2112 23.35
17
17
39 Piggy-Bank   6 3324 32.53
12
12
40 Lifting the Stone   2 1003 20.62
9
9
41 Play on Words   4 1777 17.59
21
30
42 Adding Reversed Numbers   7 27328 48.12
6
6
43 Copying Books   1014 24.95
44 Substitution Cipher   1 272 15.02
17
17
45 Commedia dell Arte   161 40.61
47 Skyscraper Floors   1 232 14.07
48 Glass Beads   3 1827 35.66
14
17
49 Hares and Foxes   92 12.94
50 Invitation Cards   1 600 37.48
51 Fake tournament   1 734 21.64
17
34
54 Julka   7 9991 28.33
19
5

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