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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   272 165003 33.47
3
3
2 Prime Generator   527 56439 15.68
15
14
3 Substring Check (Bug Funny)   6 967 9.82
41
12
4 Transform the Expression   230 33259 49.40
12
11
5 The Next Palindrome   421 15888 10.27
25
18
6 Simple Arithmetics   11 2374 12.32
31
8
7 The Bulk!   4 373 23.15
28
20
8 Complete the Sequence!   29 2653 34.14
16
18
9 Direct Visibility   1 213 16.43
21
26
10 Complicated Expressions   10 815 25.69
16
16
11 Factorial   154 43242 45.89
5
12
12 The Game of Master-Mind   266 43.76
13 Hotline   170 25.34
14 I-Keyboard   4 779 36.86
28
26
15 The Shortest Path   124 5307 23.46
17
12
16 Sphere in a tetrahedron   11 2392 57.66
12
14
17 The Bytelandian Cryptographer (Act I)   8 809 33.46
17
24
18 The Bytelandian Cryptographer (Act II)   4 649 34.47
25
1
19 The Bytelandian Cryptographer (Act III)   1 123 40.84
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.96
28
34
22 Triangle From Centroid   9 1568 44.22
8
21
23 Pyramids   -24 4199 36.31
9
14
24 Small factorials   143 35411 30.29
15
9
25 Pouring water   89 4043 22.79
18
22
26 Build the Fence   35 1804 32.14
22
17
27 Sorting Bank Accounts   47 6622 40.80
11
7
28 Help the Military Recruitment Office!   6 483 13.37
12
8
29 Hash it!   11 2516 22.27
15
6
30 Bytelandian Blingors Network   52 3119 38.05
14
10
31 Fast Multiplication   43 4932 18.60
14
13
32 A Needle in the Haystack   151 7512 38.22
14
13
33 Trip   17 1286 22.49
25
15
34 Run Away   2 278 31.84
26
34
35 Equipment Box   4 932 13.93
9
17
36 Secret Code   6 196 24.38
17
17
37 The Proper Key   1 131 20.22
17
17
38 Labyrinth   86 4487 25.10
18
16
39 Piggy-Bank   128 6409 34.99
14
16
40 Lifting the Stone   6 1336 22.07
14
17
41 Play on Words   38 2590 18.47
21
24
42 Adding Reversed Numbers   88 53226 49.20
5
4
43 Copying Books   36 1870 23.66
19
19
44 Substitution Cipher   2 303 15.19
17
17
45 Commedia dell Arte   204 37.85
1
17
47 Skyscraper Floors   4 263 13.36
26
17
48 Glass Beads   24 2570 37.28
15
17
49 Hares and Foxes   -1 101 10.25
50 Invitation Cards   29 1159 42.63
16
19
51 Fake tournament   39 1323 25.30
17
19
54 Julka   149 17506 27.16
19
6

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