list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   228 140233 33.13
3
3
2 Prime Generator   426 46591 15.53
16
14
3 Substring Check (Bug Funny)   1 875 10.07
43
13
4 Transform the Expression   167 28403 48.97
12
11
5 The Next Palindrome   337 14027 10.18
25
19
6 Simple Arithmetics   11 2203 12.20
33
8
7 The Bulk!   3 357 25.42
30
17
8 Complete the Sequence!   24 2353 33.67
16
17
9 Direct Visibility   208 17.56
34
34
10 Complicated Expressions   8 748 25.89
15
13
11 Factorial   124 38044 45.90
5
12
12 The Game of Master-Mind   240 45.84
13 Hotline   160 27.17
14 I-Keyboard   4 758 37.03
28
26
15 The Shortest Path   83 4270 22.66
18
13
16 Sphere in a tetrahedron   9 2263 58.12
11
14
17 The Bytelandian Cryptographer (Act I)   7 774 33.35
13
21
18 The Bytelandian Cryptographer (Act II)   2 634 35.88
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.59
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.14
28
34
22 Triangle From Centroid   7 1497 43.82
8
19
23 Pyramids   -22 3970 35.55
11
14
24 Small factorials   103 31135 30.40
15
9
25 Pouring water   66 3585 22.30
18
21
26 Build the Fence   30 1669 32.52
22
17
27 Sorting Bank Accounts   39 5933 40.63
11
7
28 Help the Military Recruitment Office!   4 462 13.40
15
6
29 Hash it!   10 2213 21.28
13
5
30 Bytelandian Blingors Network   42 2739 37.14
14
8
31 Fast Multiplication   38 4171 17.51
14
13
32 A Needle in the Haystack   110 6458 37.40
14
13
33 Trip   13 1155 20.90
24
15
34 Run Away   1 259 34.12
17
34
35 Equipment Box   2 881 13.67
13
21
36 Secret Code   6 189 24.25
17
17
37 The Proper Key   1 128 21.33
17
17
38 Labyrinth   58 3959 24.88
18
16
39 Piggy-Bank   107 5807 34.28
13
16
40 Lifting the Stone   4 1295 21.82
15
17
41 Play on Words   31 2397 18.11
22
26
42 Adding Reversed Numbers   73 46938 48.59
6
5
43 Copying Books   26 1695 23.95
19
19
44 Substitution Cipher   2 298 15.19
17
17
45 Commedia dell Arte   199 38.75
1
17
47 Skyscraper Floors   3 256 13.46
17
17
48 Glass Beads   22 2470 36.90
15
17
49 Hares and Foxes   -1 99 10.39
50 Invitation Cards   23 1044 41.75
17
18
51 Fake tournament   32 1234 24.76
15
18
54 Julka   119 15876 27.44
19
6

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