list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   195 126564 32.99
3
3
2 Prime Generator   361 41281 15.47
16
14
3 Substring Check (Bug Funny)   819 10.18
42
12
4 Transform the Expression   121 25554 48.78
11
11
5 The Next Palindrome   283 12819 10.12
24
19
6 Simple Arithmetics   7 2090 12.30
31
8
7 The Bulk!   3 344 26.15
30
17
8 Complete the Sequence!   20 2154 33.24
15
17
9 Direct Visibility   204 18.27
34
34
10 Complicated Expressions   7 714 26.17
13
9
11 Factorial   102 35026 45.89
6
12
12 The Game of Master-Mind   231 43.76
13 Hotline   157 27.99
14 I-Keyboard   4 741 37.23
26
23
15 The Shortest Path   71 3757 22.07
19
13
16 Sphere in a tetrahedron   6 2161 58.49
11
12
17 The Bytelandian Cryptographer (Act I)   5 748 33.03
12
23
18 The Bytelandian Cryptographer (Act II)   2 631 36.74
28
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.59
17
17
20 The Bytelandian Cryptographer (Act IV)   1 41 25.32
28
34
22 Triangle From Centroid   7 1436 43.61
8
19
23 Pyramids   -22 3804 36.26
9
14
24 Small factorials   82 28702 30.29
14
8
25 Pouring water   58 3307 22.02
18
21
26 Build the Fence   28 1542 31.65
23
17
27 Sorting Bank Accounts   29 5538 40.54
9
7
28 Help the Military Recruitment Office!   3 434 12.96
11
1
29 Hash it!   9 2086 21.28
12
4
30 Bytelandian Blingors Network   39 2537 36.37
14
8
31 Fast Multiplication   32 3643 16.71
14
14
32 A Needle in the Haystack   103 5884 36.88
15
13
33 Trip   12 1094 20.75
26
14
34 Run Away   1 249 34.15
17
34
35 Equipment Box   2 856 13.87
13
21
36 Secret Code   5 180 23.76
17
17
37 The Proper Key   1 126 21.55
17
17
38 Labyrinth   47 3560 24.51
19
16
39 Piggy-Bank   84 5404 34.09
13
16
40 Lifting the Stone   4 1265 21.88
15
17
41 Play on Words   26 2291 17.92
21
26
42 Adding Reversed Numbers   53 42824 48.60
7
4
43 Copying Books   24 1593 24.03
18
19
44 Substitution Cipher   1 296 15.27
17
17
45 Commedia dell Arte   197 38.67
1
17
47 Skyscraper Floors   2 248 13.34
17
17
48 Glass Beads   22 2387 36.50
15
17
49 Hares and Foxes   -1 97 10.56
50 Invitation Cards   21 963 41.32
17
17
51 Fake tournament   27 1150 24.26
13
17
54 Julka   88 14735 27.60
19
6

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