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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   280 179378 32.41
4
3
2 Prime Generator   583 62716 15.33
15
14
3 Substring Check (Bug Funny)   4 1022 9.56
42
16
4 Transform the Expression   251 36175 48.53
12
11
5 The Next Palindrome   442 17262 10.43
25
18
6 Simple Arithmetics   10 2571 12.52
31
9
7 The Bulk!   5 386 19.72
28
21
8 Complete the Sequence!   30 3069 35.30
16
19
9 Direct Visibility   2 221 14.91
28
23
10 Complicated Expressions   11 997 28.06
16
17
11 Factorial   165 47045 45.01
6
12
12 The Game of Master-Mind   363 45.55
13 Hotline   173 22.36
14 I-Keyboard   5 846 37.47
28
26
15 The Shortest Path   147 5981 23.26
16
12
16 Sphere in a tetrahedron   12 2638 56.48
11
16
17 The Bytelandian Cryptographer (Act I)   8 909 35.12
17
24
18 The Bytelandian Cryptographer (Act II)   4 652 33.27
25
1
19 The Bytelandian Cryptographer (Act III)   1 124 40.65
17
17
20 The Bytelandian Cryptographer (Act IV)   1 49 24.73
28
34
22 Triangle From Centroid   9 1803 43.82
10
22
23 Pyramids   -23 4524 35.07
10
15
24 Small factorials   150 39016 30.04
15
9
25 Pouring water   95 4446 23.21
19
22
26 Build the Fence   36 1953 30.51
22
17
27 Sorting Bank Accounts   50 7353 39.99
11
6
28 Help the Military Recruitment Office!   6 527 13.74
12
8
29 Hash it!   13 2790 22.56
15
8
30 Bytelandian Blingors Network   53 3339 37.65
14
9
31 Fast Multiplication   46 5900 18.65
15
12
32 A Needle in the Haystack   173 8741 36.93
14
14
33 Trip   18 1468 23.06
25
16
34 Run Away   2 297 24.45
26
34
35 Equipment Box   5 1018 13.47
8
20
36 Secret Code   6 279 27.72
17
17
37 The Proper Key   1 131 18.77
17
17
38 Labyrinth   95 4804 24.90
18
16
39 Piggy-Bank   134 7002 34.16
14
16
40 Lifting the Stone   6 1384 21.98
13
16
41 Play on Words   42 2767 18.38
21
24
42 Adding Reversed Numbers   98 57838 48.38
6
4
43 Copying Books   41 2149 23.68
20
19
44 Substitution Cipher   2 305 14.73
17
17
45 Commedia dell Arte   204 37.75
1
17
47 Skyscraper Floors   5 263 13.11
28
17
48 Glass Beads   25 2769 35.56
15
17
49 Hares and Foxes   -1 103 9.73
17
34
50 Invitation Cards   29 1287 39.87
16
19
51 Fake tournament   41 1434 25.52
18
20
54 Julka   157 18929 26.84
19
6

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