list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
416 Divisibility by 15   5 1027 15.52
31
26
417 The lazy programmer   9 654 20.29
21
23
418 Necklace   47 17.18
419 Transposing is Fun   1 307 36.85
17
26
421 Another Road Problem   71 25.06
17
34
422 Transposing is Even More Fun   2 316 26.08
28
39
423 Assignments   244 4839 33.69
18
22
428 Particular Palindromes   5 503 32.26
22
24
449 Simple Numbers with Fractions Conversion   2 37 15.96
17
17
479 Permutation generator   1 135 28.24
21
17
484 Fossil in the Ice   453 22.40
34
17
515 Collatz   1 450 43.13
1
5
518 Zig-Zag Permutation   1 51 31.25
26
26
526 Divisors   38 1715 43.75
14
13
530 Divisors 2   10 936 52.47
12
16
598 Increasing Subsequences   148 34.62
34
34
660 Dungeon of Death   14 1355 42.80
13
26
661 Nail Them   13 971 42.98
10
15
665 String it out   22 1221 38.84
12
15
666 Con-Junctions   32 1006 40.93
14
19
677 A place for the brewery   219 28.30
17
1
681 Building the Tower   2 105 20.11
17
12
684 Another Assignment Problem   1 107 12.35
34
1
685 Partition the sequence   3 244 21.17
21
30
687 Repeats   2 982 25.39
30
38
688 Toy Cars   2 649 18.53
12
20
693 Lethal Warfare   2 365 46.51
6
12
694 Distinct Substrings   92 5782 26.61
21
24
695 Unite Fast   1 138 27.81
9
9
696 Truth or not   1 275 22.00
1
1
697 Matrix Words   97 24.43
1
1
698 Plane Hopping   1 289 25.31
17
699 Huge Knap Sack   1 141 25.06
9
9
700 Branch Prediction   78 19.21
17
1
702 Barn Expansion   157 23.54
1
17
703 Mobile Service   7 1177 23.17
23
23
704 Remove The String   13 663 15.28
19
27
705 New Distinct Substrings   42 3897 26.82
26
25
707 Triple-Free Sets   2 211 39.21
23
34
726 Promotion   24 2103 28.18
12
8
729 Move your armies   80 19.85
1
1
735 Minimum Diameter Spanning Tree   1 199 34.41
17
30
739 The Moronic Cowmpouter   19 3062 50.64
11
15
740 Treats for the Cows   261 8632 42.74
13
14
741 Steady Cow Assignment   5 534 32.90
20
29
744 Longest Permutation   3 619 19.85
15
19
780 The Archipelago   40 41.41
34
26
1268 CN Tower (Easy)   3 1123 30.75
8
6
1456 The Secret of a Lost City   23 24.17
17
17
1674 The Explosion   160 24.10
17
17

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