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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   263 161708 33.41
3
3
2 Prime Generator   505 55147 15.64
15
14
3 Substring Check (Bug Funny)   5 961 9.92
41
13
4 Transform the Expression   222 32646 49.31
12
11
5 The Next Palindrome   413 15679 10.26
25
18
6 Simple Arithmetics   11 2359 12.32
31
8
7 The Bulk!   4 372 23.28
28
20
8 Complete the Sequence!   28 2627 34.13
16
18
9 Direct Visibility   1 213 16.44
21
26
10 Complicated Expressions   10 798 25.67
16
16
11 Factorial   152 42626 45.87
5
12
12 The Game of Master-Mind   266 43.97
13 Hotline   168 25.55
14 I-Keyboard   4 773 36.78
28
26
15 The Shortest Path   117 5155 23.36
17
12
16 Sphere in a tetrahedron   11 2383 57.78
12
14
17 The Bytelandian Cryptographer (Act I)   8 803 33.41
17
24
18 The Bytelandian Cryptographer (Act II)   4 648 34.71
25
1
19 The Bytelandian Cryptographer (Act III)   1 123 40.84
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.98
28
34
22 Triangle From Centroid   9 1559 44.04
8
21
23 Pyramids   -24 4176 36.20
9
14
24 Small factorials   136 34889 30.26
15
9
25 Pouring water   84 3986 22.68
18
21
26 Build the Fence   35 1790 32.13
22
17
27 Sorting Bank Accounts   46 6540 40.84
11
7
28 Help the Military Recruitment Office!   4 476 13.36
12
6
29 Hash it!   11 2507 22.30
15
6
30 Bytelandian Blingors Network   51 3080 37.93
14
10
31 Fast Multiplication   41 4850 18.50
14
12
32 A Needle in the Haystack   145 7367 38.14
14
13
33 Trip   17 1276 22.48
25
15
34 Run Away   2 275 32.93
26
34
35 Equipment Box   4 929 13.92
9
17
36 Secret Code   6 195 24.31
17
17
37 The Proper Key   1 131 20.22
17
17
38 Labyrinth   80 4421 25.12
18
16
39 Piggy-Bank   126 6325 34.93
14
16
40 Lifting the Stone   6 1335 22.06
14
17
41 Play on Words   38 2568 18.44
21
24
42 Adding Reversed Numbers   84 52441 49.12
6
4
43 Copying Books   32 1846 23.68
19
20
44 Substitution Cipher   2 303 15.20
17
17
45 Commedia dell Arte   203 38.04
1
17
47 Skyscraper Floors   4 261 13.34
26
17
48 Glass Beads   24 2557 37.15
15
17
49 Hares and Foxes   -1 101 10.29
50 Invitation Cards   27 1140 42.36
16
18
51 Fake tournament   39 1319 25.31
17
19
54 Julka   147 17318 27.17
19
6

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