list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   173 118035 32.84
3
3
2 Prime Generator   320 38110 15.38
17
14
3 Substring Check (Bug Funny)   -2 780 10.25
42
12
4 Transform the Expression   99 23710 48.59
11
11
5 The Next Palindrome   238 12042 10.04
25
19
6 Simple Arithmetics   4 2006 12.30
31
8
7 The Bulk!   3 330 26.66
30
17
8 Complete the Sequence!   18 2051 32.85
15
16
9 Direct Visibility   197 18.43
34
34
10 Complicated Expressions   3 691 26.13
12
6
11 Factorial   93 33069 45.84
6
12
12 The Game of Master-Mind   223 43.56
13 Hotline   155 28.12
14 I-Keyboard   4 729 37.30
26
23
15 The Shortest Path   62 3392 21.69
20
13
16 Sphere in a tetrahedron   6 2086 58.37
9
12
17 The Bytelandian Cryptographer (Act I)   5 724 32.89
12
23
18 The Bytelandian Cryptographer (Act II)   2 619 36.84
28
1
19 The Bytelandian Cryptographer (Act III)   1 122 41.67
17
17
20 The Bytelandian Cryptographer (Act IV)   39 21.78
28
34
22 Triangle From Centroid   7 1401 43.48
8
19
23 Pyramids   -19 3711 36.67
8
14
24 Small factorials   76 27220 30.15
14
9
25 Pouring water   47 3113 21.74
17
21
26 Build the Fence   25 1431 31.29
23
17
27 Sorting Bank Accounts   27 5162 40.35
10
7
28 Help the Military Recruitment Office!   2 413 12.90
13
1
29 Hash it!   9 1916 20.98
12
4
30 Bytelandian Blingors Network   31 2337 35.57
15
9
31 Fast Multiplication   29 3283 16.19
14
13
32 A Needle in the Haystack   88 5486 36.63
14
14
33 Trip   11 1024 20.43
26
13
34 Run Away   230 33.57
35 Equipment Box   2 841 13.72
13
21
36 Secret Code   5 179 24.24
17
17
37 The Proper Key   1 125 21.69
17
17
38 Labyrinth   44 3349 24.40
18
16
39 Piggy-Bank   78 5088 33.86
14
16
40 Lifting the Stone   4 1236 21.69
15
17
41 Play on Words   24 2207 17.74
21
27
42 Adding Reversed Numbers   49 40346 48.33
6
4
43 Copying Books   19 1510 24.40
17
18
44 Substitution Cipher   1 294 15.32
17
17
45 Commedia dell Arte   190 38.67
1
17
47 Skyscraper Floors   2 243 13.47
17
17
48 Glass Beads   22 2317 36.19
14
17
49 Hares and Foxes   -1 97 10.82
50 Invitation Cards   16 894 40.60
16
17
51 Fake tournament   24 1104 24.06
15
18
54 Julka   75 14065 27.86
19
6

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