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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   248 151736 33.26
3
3
2 Prime Generator   466 50855 15.55
15
14
3 Substring Check (Bug Funny)   5 927 10.20
41
13
4 Transform the Expression   199 30724 49.15
11
11
5 The Next Palindrome   377 14943 10.20
25
19
6 Simple Arithmetics   12 2311 12.40
31
8
7 The Bulk!   3 368 24.29
30
17
8 Complete the Sequence!   26 2512 33.91
16
18
9 Direct Visibility   1 212 16.92
23
23
10 Complicated Expressions   9 787 25.91
16
13
11 Factorial   140 40410 45.87
5
12
12 The Game of Master-Mind   251 46.23
13 Hotline   166 26.26
14 I-Keyboard   4 766 36.95
28
26
15 The Shortest Path   98 4748 23.08
17
13
16 Sphere in a tetrahedron   11 2333 57.99
12
14
17 The Bytelandian Cryptographer (Act I)   9 791 33.37
14
23
18 The Bytelandian Cryptographer (Act II)   3 643 35.29
27
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.09
17
17
20 The Bytelandian Cryptographer (Act IV)   1 45 25.06
28
34
22 Triangle From Centroid   7 1522 43.95
8
20
23 Pyramids   -24 4073 35.97
10
14
24 Small factorials   122 33001 30.31
15
9
25 Pouring water   78 3814 22.41
18
22
26 Build the Fence   33 1728 32.29
22
17
27 Sorting Bank Accounts   43 6211 40.79
12
7
28 Help the Military Recruitment Office!   4 466 13.36
15
6
29 Hash it!   10 2437 21.81
13
5
30 Bytelandian Blingors Network   46 2917 37.42
14
9
31 Fast Multiplication   39 4538 18.19
14
12
32 A Needle in the Haystack   121 6898 37.76
15
14
33 Trip   15 1219 21.80
24
15
34 Run Away   2 269 33.62
26
34
35 Equipment Box   4 908 13.83
9
17
36 Secret Code   6 191 24.16
17
17
37 The Proper Key   1 130 21.19
17
17
38 Labyrinth   67 4189 25.13
18
16
39 Piggy-Bank   116 6061 34.68
14
16
40 Lifting the Stone   5 1317 21.99
16
17
41 Play on Words   36 2508 18.33
21
25
42 Adding Reversed Numbers   78 49706 48.86
6
4
43 Copying Books   28 1763 23.82
19
19
44 Substitution Cipher   2 303 15.25
17
17
45 Commedia dell Arte   203 38.77
1
17
47 Skyscraper Floors   4 260 13.48
26
17
48 Glass Beads   23 2528 37.11
15
17
49 Hares and Foxes   -1 101 10.50
50 Invitation Cards   26 1102 42.26
16
18
51 Fake tournament   35 1285 25.21
16
18
54 Julka   131 16627 27.30
19
6

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