list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   148 110430 32.90
3
3
2 Prime Generator   269 35061 15.34
17
15
3 Substring Check (Bug Funny)   1 752 10.44
41
9
4 Transform the Expression   81 22305 48.82
10
11
5 The Next Palindrome   209 11286 10.00
24
19
6 Simple Arithmetics   3 1936 12.27
31
8
7 The Bulk!   3 323 27.02
30
17
8 Complete the Sequence!   17 1964 32.58
14
15
9 Direct Visibility   193 18.47
34
34
10 Complicated Expressions   3 675 26.01
12
6
11 Factorial   83 31443 45.78
6
12
12 The Game of Master-Mind   213 43.24
13 Hotline   150 27.84
14 I-Keyboard   4 720 37.34
26
23
15 The Shortest Path   50 3110 21.38
21
15
16 Sphere in a tetrahedron   6 2027 58.30
10
10
17 The Bytelandian Cryptographer (Act I)   5 707 32.62
12
23
18 The Bytelandian Cryptographer (Act II)   1 607 37.01
30
1
19 The Bytelandian Cryptographer (Act III)   1 120 41.43
17
17
20 The Bytelandian Cryptographer (Act IV)   38 21.88
28
34
22 Triangle From Centroid   6 1374 43.32
6
17
23 Pyramids   -19 3605 37.01
7
12
24 Small factorials   69 25845 30.23
15
9
25 Pouring water   42 2913 21.46
18
21
26 Build the Fence   24 1346 31.09
22
16
27 Sorting Bank Accounts   24 4804 40.41
9
6
28 Help the Military Recruitment Office!   2 399 12.88
13
1
29 Hash it!   7 1810 21.63
12
3
30 Bytelandian Blingors Network   25 2213 35.26
16
9
31 Fast Multiplication   24 2986 15.72
13
13
32 A Needle in the Haystack   80 5095 36.39
15
13
33 Trip   12 983 20.38
26
14
34 Run Away   224 33.22
35 Equipment Box   2 827 13.78
13
21
36 Secret Code   4 178 24.49
17
26
37 The Proper Key   1 126 21.88
17
17
38 Labyrinth   35 3163 24.44
19
17
39 Piggy-Bank   64 4797 33.53
15
16
40 Lifting the Stone   3 1214 21.69
17
20
41 Play on Words   21 2125 17.74
18
25
42 Adding Reversed Numbers   42 38181 48.26
6
4
43 Copying Books   13 1409 24.59
17
21
44 Substitution Cipher   1 294 15.36
17
17
45 Commedia dell Arte   190 38.73
1
17
47 Skyscraper Floors   2 242 13.60
17
17
48 Glass Beads   19 2259 35.99
15
18
49 Hares and Foxes   -1 96 10.81
50 Invitation Cards   15 837 39.53
16
17
51 Fake tournament   21 1037 23.76
12
16
54 Julka   67 13467 27.95
19
6

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