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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   256 159742 33.38
3
3
2 Prime Generator   495 54252 15.61
15
14
3 Substring Check (Bug Funny)   5 955 9.94
41
13
4 Transform the Expression   219 32278 49.22
12
11
5 The Next Palindrome   408 15527 10.23
25
18
6 Simple Arithmetics   11 2349 12.33
31
8
7 The Bulk!   4 372 23.41
28
20
8 Complete the Sequence!   28 2607 34.07
16
18
9 Direct Visibility   1 213 16.46
21
26
10 Complicated Expressions   9 795 25.75
16
13
11 Factorial   150 42225 45.85
5
12
12 The Game of Master-Mind   264 44.03
13 Hotline   168 25.73
14 I-Keyboard   4 770 36.74
28
26
15 The Shortest Path   112 5055 23.25
17
12
16 Sphere in a tetrahedron   11 2371 57.75
12
14
17 The Bytelandian Cryptographer (Act I)   8 801 33.40
17
24
18 The Bytelandian Cryptographer (Act II)   4 648 34.86
25
1
19 The Bytelandian Cryptographer (Act III)   1 123 40.84
17
17
20 The Bytelandian Cryptographer (Act IV)   1 47 24.98
28
34
22 Triangle From Centroid   8 1554 44.03
8
21
23 Pyramids   -24 4157 36.20
9
14
24 Small factorials   135 34566 30.25
15
9
25 Pouring water   83 3937 22.60
18
22
26 Build the Fence   34 1783 32.19
22
17
27 Sorting Bank Accounts   44 6471 40.89
12
7
28 Help the Military Recruitment Office!   5 473 13.35
11
5
29 Hash it!   11 2497 22.27
15
6
30 Bytelandian Blingors Network   50 3040 37.78
14
9
31 Fast Multiplication   41 4803 18.44
14
12
32 A Needle in the Haystack   139 7253 38.04
14
13
33 Trip   16 1272 22.50
25
15
34 Run Away   2 275 33.53
26
34
35 Equipment Box   4 927 13.94
9
17
36 Secret Code   6 195 24.31
17
17
37 The Proper Key   1 131 20.22
17
17
38 Labyrinth   79 4381 25.09
18
16
39 Piggy-Bank   122 6289 34.92
14
16
40 Lifting the Stone   6 1331 22.02
14
17
41 Play on Words   38 2558 18.41
21
24
42 Adding Reversed Numbers   84 51937 49.07
6
4
43 Copying Books   29 1827 23.71
19
20
44 Substitution Cipher   2 303 15.20
17
17
45 Commedia dell Arte   203 38.04
1
17
47 Skyscraper Floors   4 261 13.40
26
17
48 Glass Beads   23 2556 37.16
15
17
49 Hares and Foxes   -1 101 10.30
50 Invitation Cards   27 1132 42.45
16
18
51 Fake tournament   39 1312 25.33
17
19
54 Julka   142 17157 27.17
19
6

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