list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   277 177280 32.38
4
3
2 Prime Generator   578 61777 15.29
15
14
3 Substring Check (Bug Funny)   4 1017 9.64
42
16
4 Transform the Expression   250 35730 48.43
12
11
5 The Next Palindrome   441 17004 10.36
25
18
6 Simple Arithmetics   10 2544 12.54
31
9
7 The Bulk!   4 379 20.23
29
20
8 Complete the Sequence!   30 3004 35.10
16
19
9 Direct Visibility   1 217 15.05
21
26
10 Complicated Expressions   10 974 27.85
16
16
11 Factorial   162 46516 44.98
5
12
12 The Game of Master-Mind   347 44.94
13 Hotline   170 22.45
14 I-Keyboard   5 830 37.33
28
26
15 The Shortest Path   145 5850 23.21
16
12
16 Sphere in a tetrahedron   12 2595 56.24
11
16
17 The Bytelandian Cryptographer (Act I)   8 896 34.85
17
24
18 The Bytelandian Cryptographer (Act II)   4 652 33.46
25
1
19 The Bytelandian Cryptographer (Act III)   1 124 40.77
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.74
28
34
22 Triangle From Centroid   8 1764 43.49
10
22
23 Pyramids   -23 4444 34.84
10
15
24 Small factorials   148 38510 29.98
15
9
25 Pouring water   95 4384 23.09
19
22
26 Build the Fence   36 1932 30.51
22
17
27 Sorting Bank Accounts   49 7275 39.88
11
6
28 Help the Military Recruitment Office!   6 520 13.69
12
8
29 Hash it!   12 2759 22.52
15
7
30 Bytelandian Blingors Network   53 3291 37.42
14
9
31 Fast Multiplication   47 5831 18.60
15
12
32 A Needle in the Haystack   170 8533 36.77
14
14
33 Trip   17 1444 22.90
25
15
34 Run Away   2 294 24.84
26
34
35 Equipment Box   5 1002 13.36
8
20
36 Secret Code   6 266 27.47
17
17
37 The Proper Key   1 130 18.67
17
17
38 Labyrinth   95 4762 24.82
18
16
39 Piggy-Bank   133 6852 33.87
14
16
40 Lifting the Stone   6 1372 21.89
13
16
41 Play on Words   42 2747 18.36
21
24
42 Adding Reversed Numbers   96 57255 48.28
6
4
43 Copying Books   40 2091 23.50
19
19
44 Substitution Cipher   2 305 14.77
17
17
45 Commedia dell Arte   205 37.90
1
17
47 Skyscraper Floors   5 263 13.11
28
17
48 Glass Beads   25 2734 35.45
15
17
49 Hares and Foxes   -1 103 9.81
17
34
50 Invitation Cards   29 1252 39.51
16
19
51 Fake tournament   41 1405 25.32
18
20
54 Julka   156 18696 26.78
19
6

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