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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5149 History of Languages   27 15.54
987 Mobile   70 15.53
17
17
1754 Divisor Summation (Hard)   31 1170 15.52
22
21
4948 Integer Factorization (29 digits)   8 102 15.52
40
34
37443 Acronym II   4 29 15.51
34
34
15565 Find Distances In A Plane   1 46 15.45
34
34
416 Divisibility by 15   5 1018 15.45
31
26
11458 Ninja   122 15.44
208 Store-keeper   2 126 15.40
34
26
397 I Conduit   3 190 15.38
21
21
3948 Polynomial Evaluation - Angry Teacher   -1 30 15.28
50
50
5159 Island Explorer   34 15.28
37420 Anti Hash   3 34 15.25
42
42
1455 Program Analyser   25 15.25
1465 On the Way to Find Chris   2 57 15.22
26
26
31772 Boss Baby   2 8 15.19
28
17
2940 Untitled Problem II   116 15.16
34
12807 Recursive Sequence (Version X)   8 15.15
6898 Substring Problem   22 825 15.15
23
23
7378 Manhattan Companies   13 15.13
35276 Smallest on the Stack   21 891 15.12
11
13
121 Timetable   54 15.11
17
17
9857 Eight Directions Crossword   134 15.09
11985 Gao on a tree   26 764 15.08
28
27
7857 Tower Game (Hard)   59 15.07
34
34
4235 Wandering Queen   25 842 15.07
23
19
6488 Printing some primes (Hard)   11 162 15.00
35
29
34385 Pripyat   3 15.00
76 Editor Inverse   64 14.98
14975 Foxic Expressions   1 84 14.96
5115 Two "Ways"   63 14.95
704 Remove The String   12 609 14.95
17
26
34327 Cyclic Counting Gamble   9 14.93
28466 Leonardo de Pisa   3 45 14.91
1
1
7152 Boundary 2003   1 18 14.87
34
1
2176 Finding Seats   2 220 14.87
34
34
5296 Air Combat   -1 64 14.85
34
3166 Permutation Exponentiation   33 14.85
34315 The Chase   5 14.81
2154 Kruskal   83 14.81
2321 Segments   2 147 14.81
17
34
3484 Crossbits   3 97 14.78
23
15
4658 Help Hemant Verma   1 49 14.77
9
17
9440 To Add or to Multiply   15 14.71
1480 Let us count 1 2 3   1 72 14.70
1
34
25335 Eefun the Accountant   1 7 14.69
17
17
2885 Word Rings   2 350 14.68
17
34
1462 Barbarians   46 14.68
17398 Fitting in the Team   16 14.68
1477 Play with a Tree   88 14.68

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