list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   116 96780 32.99
3
2
2 Prime Generator   182 30324 15.39
18
15
3 Substring Check (Bug Funny)   698 10.88
39
10
4 Transform the Expression   57 20007 49.14
9
11
5 The Next Palindrome   145 9999 9.94
24
20
6 Simple Arithmetics   2 1810 12.32
32
10
7 The Bulk!   3 310 27.74
30
17
8 Complete the Sequence!   11 1816 32.68
17
16
9 Direct Visibility   189 18.20
10 Complicated Expressions   2 650 26.61
17
9
11 Factorial   55 28695 45.63
6
10
12 The Game of Master-Mind   206 43.89
13 Hotline   149 29.00
14 I-Keyboard   3 694 37.23
26
26
15 The Shortest Path   33 2679 21.15
21
14
16 Sphere in a tetrahedron   6 1876 58.22
12
8
17 The Bytelandian Cryptographer (Act I)   5 670 32.19
12
23
18 The Bytelandian Cryptographer (Act II)   587 37.28
34
1
19 The Bytelandian Cryptographer (Act III)   118 44.71
20 The Bytelandian Cryptographer (Act IV)   33 7.12
28
34
22 Triangle From Centroid   4 1290 42.92
9
23
23 Pyramids   -15 3394 37.16
6
13
24 Small factorials   52 23532 30.42
16
10
25 Pouring water   30 2612 20.73
17
19
26 Build the Fence   20 1198 30.51
22
15
27 Sorting Bank Accounts   17 4289 40.65
8
5
28 Help the Military Recruitment Office!   1 366 12.75
17
1
29 Hash it!   4 1647 21.42
11
4
30 Bytelandian Blingors Network   20 2009 34.88
16
8
31 Fast Multiplication   21 2540 15.07
11
12
32 A Needle in the Haystack   65 4376 35.97
13
12
33 Trip   8 887 20.00
27
17
34 Run Away   214 33.01
35 Equipment Box   2 800 13.87
13
21
36 Secret Code   4 174 25.13
17
26
37 The Proper Key   1 125 22.24
17
17
38 Labyrinth   23 2786 23.98
18
17
39 Piggy-Bank   49 4391 33.11
15
15
40 Lifting the Stone   3 1154 21.37
17
21
41 Play on Words   14 2016 17.62
19
23
42 Adding Reversed Numbers   29 34446 48.17
6
5
43 Copying Books   6 1282 24.97
19
21
44 Substitution Cipher   1 292 15.47
17
17
45 Commedia dell Arte   166 39.31
1
17
47 Skyscraper Floors   1 241 13.68
48 Glass Beads   14 2156 35.66
13
15
49 Hares and Foxes   -1 96 10.96
50 Invitation Cards   9 743 38.71
17
20
51 Fake tournament   17 959 23.38
13
16
54 Julka   52 12439 28.12
18
5

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