list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   252 153412 33.27
3
3
2 Prime Generator   470 51551 15.56
15
14
3 Substring Check (Bug Funny)   5 933 10.14
41
13
4 Transform the Expression   201 31071 49.18
12
11
5 The Next Palindrome   382 15075 10.21
25
19
6 Simple Arithmetics   12 2324 12.40
31
8
7 The Bulk!   3 368 24.11
30
17
8 Complete the Sequence!   26 2529 33.87
16
18
9 Direct Visibility   1 212 16.72
23
23
10 Complicated Expressions   9 790 25.93
16
13
11 Factorial   140 40779 45.85
5
12
12 The Game of Master-Mind   254 46.15
13 Hotline   166 26.07
14 I-Keyboard   4 766 36.87
28
26
15 The Shortest Path   100 4802 23.14
17
13
16 Sphere in a tetrahedron   11 2339 57.97
12
14
17 The Bytelandian Cryptographer (Act I)   9 792 33.32
14
23
18 The Bytelandian Cryptographer (Act II)   3 644 35.18
27
1
19 The Bytelandian Cryptographer (Act III)   1 123 41.09
17
17
20 The Bytelandian Cryptographer (Act IV)   1 45 25.03
28
34
22 Triangle From Centroid   7 1527 43.97
8
20
23 Pyramids   -24 4090 35.99
10
14
24 Small factorials   123 33340 30.27
15
9
25 Pouring water   78 3835 22.46
18
22
26 Build the Fence   33 1752 32.08
22
17
27 Sorting Bank Accounts   44 6260 40.74
12
7
28 Help the Military Recruitment Office!   4 467 13.36
15
6
29 Hash it!   10 2452 21.93
13
5
30 Bytelandian Blingors Network   47 2942 37.54
14
9
31 Fast Multiplication   39 4588 18.21
14
12
32 A Needle in the Haystack   122 6949 37.79
15
14
33 Trip   15 1224 21.81
24
15
34 Run Away   2 270 33.36
26
34
35 Equipment Box   4 912 13.84
9
17
36 Secret Code   6 191 24.14
17
17
37 The Proper Key   1 130 21.16
17
17
38 Labyrinth   70 4240 25.10
18
16
39 Piggy-Bank   116 6095 34.71
14
16
40 Lifting the Stone   5 1318 21.97
16
17
41 Play on Words   36 2516 18.34
21
25
42 Adding Reversed Numbers   79 50164 48.89
6
4
43 Copying Books   29 1772 23.82
19
20
44 Substitution Cipher   2 303 15.25
17
17
45 Commedia dell Arte   203 38.70
1
17
47 Skyscraper Floors   4 260 13.46
26
17
48 Glass Beads   23 2536 37.16
15
17
49 Hares and Foxes   -1 101 10.41
50 Invitation Cards   26 1107 42.34
16
18
51 Fake tournament   36 1289 25.19
16
19
54 Julka   134 16718 27.27
19
6

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