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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   252 154677 33.27
3
3
2 Prime Generator   474 52002 15.56
15
14
3 Substring Check (Bug Funny)   5 939 10.09
41
13
4 Transform the Expression   206 31321 49.19
12
11
5 The Next Palindrome   388 15155 10.22
25
19
6 Simple Arithmetics   12 2333 12.41
31
8
7 The Bulk!   3 369 23.75
30
17
8 Complete the Sequence!   27 2554 33.91
16
18
9 Direct Visibility   1 212 16.59
23
23
10 Complicated Expressions   9 792 25.93
16
13
11 Factorial   143 41036 45.84
5
12
12 The Game of Master-Mind   258 46.05
13 Hotline   167 25.95
14 I-Keyboard   4 767 36.88
28
26
15 The Shortest Path   104 4851 23.19
17
12
16 Sphere in a tetrahedron   11 2342 57.94
12
14
17 The Bytelandian Cryptographer (Act I)   8 797 33.31
17
24
18 The Bytelandian Cryptographer (Act II)   3 644 35.13
27
1
19 The Bytelandian Cryptographer (Act III)   1 123 40.84
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 25.01
28
34
22 Triangle From Centroid   7 1530 44.00
8
20
23 Pyramids   -24 4103 36.16
10
14
24 Small factorials   125 33545 30.23
15
9
25 Pouring water   79 3855 22.47
18
22
26 Build the Fence   33 1756 32.07
22
17
27 Sorting Bank Accounts   44 6290 40.77
12
7
28 Help the Military Recruitment Office!   4 468 13.35
15
6
29 Hash it!   10 2456 21.93
13
5
30 Bytelandian Blingors Network   47 2964 37.65
14
9
31 Fast Multiplication   40 4624 18.25
14
12
32 A Needle in the Haystack   122 6987 37.84
15
14
33 Trip   15 1228 21.84
24
15
34 Run Away   2 270 33.21
26
34
35 Equipment Box   4 913 13.90
9
17
36 Secret Code   6 192 24.19
17
17
37 The Proper Key   1 130 21.10
17
17
38 Labyrinth   71 4264 25.12
18
16
39 Piggy-Bank   118 6134 34.73
14
16
40 Lifting the Stone   5 1318 21.95
16
17
41 Play on Words   37 2524 18.38
21
25
42 Adding Reversed Numbers   79 50567 48.86
6
4
43 Copying Books   29 1777 23.83
19
20
44 Substitution Cipher   2 303 15.25
17
17
45 Commedia dell Arte   203 38.58
1
17
47 Skyscraper Floors   4 260 13.44
26
17
48 Glass Beads   23 2537 37.20
15
17
49 Hares and Foxes   -1 101 10.40
50 Invitation Cards   26 1112 42.39
16
18
51 Fake tournament   36 1290 25.19
16
19
54 Julka   136 16774 27.25
19
6

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