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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
702 Barn Expansion   151 23.30
700 Branch Prediction   74 18.00
699 Huge Knap Sack   1 138 24.89
17
17
698 Plane Hopping   1 287 25.80
17
697 Matrix Words   94 26.20
696 Truth or not   1 268 21.64
695 Unite Fast   1 128 27.30
17
17
694 Distinct Substrings   91 5505 26.38
21
24
693 Lethal Warfare   2 362 46.92
9
17
688 Toy Cars   1 556 17.67
9
17
687 Repeats   1 876 25.41
34
42
685 Partition the sequence   3 230 21.07
23
34
684 Another Assignment Problem   1 103 12.41
34
1
682 Pairs of Integers   203 25.59
681 Building the Tower   2 96 19.67
26
17
677 A place for the brewery   209 27.63
676 Sorting is not easy   9 535 39.62
19
32
666 Con-Junctions   32 981 40.59
14
19
665 String it out   22 1216 38.76
12
15
661 Nail Them   13 962 42.91
10
15
660 Dungeon of Death   14 1340 42.88
13
26
598 Increasing Subsequences   142 34.21
34
34
530 Divisors 2   10 905 52.48
12
16
526 Divisors   37 1682 43.59
14
13
518 Zig-Zag Permutation   1 42 31.02
26
26
515 Collatz   1 442 43.43
1
5
503 Prime Intervals   65 1731 15.79
21
19
484 Fossil in the Ice   434 22.09
34
17
481 Roots of polynomial   37 24.90
17
34
479 Permutation generator   1 126 27.48
21
17
449 Simple Numbers with Fractions Conversion   2 34 17.15
17
17
428 Particular Palindromes   5 492 32.02
22
24
423 Assignments   242 4613 33.53
18
21
422 Transposing is Even More Fun   1 282 25.75
26
34
421 Another Road Problem   67 24.36
17
34
419 Transposing is Fun   1 274 36.34
17
26
418 Necklace   43 16.76
417 The lazy programmer   9 645 20.09
21
23
416 Divisibility by 15   5 1017 15.45
31
26
414 Equatorial Bonfire   1 71 30.48
34
17
413 Word Puzzles   4 364 18.07
30
14
412 K-path cover   181 20.04
1
50
411 Number of quite different words   4 238 33.43
17
27
410 Variable Radix Huffman Encoding   1 173 18.96
1
1
409 DEL Command   1 73 16.93
17
17
408 Jill Rides Again   2 932 34.11
9
9
407 Random Number   43 27.93
17
17
406 Logic   107 22.51
17
9
405 Tin Cutter   134 33.72
17
17
404 Scanner   56 12.24

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