list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
235 Very Fast Multiplication   23 1247 27.83
26
22
4038 Counting The Way of Bracket Replacement   7 435 38.74
26
21
9185 TORNJEVI   10 213 33.05
26
26
30787 Ada and Aphids   10 194 31.94
26
25
32222 Ada and Panels   7 55 52.85
26
38
1774 All Discs Considered   10 513 28.52
26
22
2699 Recursive Sequence (Version II)   16 984 26.35
26
24
14923 King Graffs Defense   19 428 25.75
26
30
14887 Good Travels   27 438 28.38
26
25
705 New Distinct Substrings   41 3668 26.22
26
24
34 Run Away   2 471 21.98
26
34
200 Monodigital Representations   1 162 29.52
26
26
220 Relevant Phrases of Annihilation   641 22.79
26
26
373 Greedy island   5 504 33.51
26
26
422 Transposing is Even More Fun   1 282 25.75
26
34
518 Zig-Zag Permutation   1 42 31.02
26
26
681 Building the Tower   2 97 20.03
26
17
871 Letter Sequence Analysis   3 106 42.68
26
9
1003 Little Quilt   3 168 39.78
26
13
1453 Optimal Connected Subset   148 45.94
26
42
1465 On the Way to Find Chris   2 54 14.78
26
26
1703 ACM (ACronymMaker)   52 1072 29.81
26
21
1704 Countdown   298 25.14
26
9
1785 Code   2 220 25.65
26
30
1794 Greedy Hydra II   2 70 18.44
26
26
1835 The SetStack Computer   1 154 28.94
26
17
1865 Making Waves   187 43.26
26
9
2000 Boxes (Hard)   2 17 3.07
26
34
2124 Last Non-Zero Digit of Factorials   4 472 25.01
26
34
2138 Pibonacci   3 43 14.58
26
39
2317 Bracket Sequence   1 51 22.78
26
34
2322 Tree Game   2 323 44.01
26
42
2668 Polygon   1 66 23.21
26
34
2816 Common Subsequences   5 217 28.61
26
34
2835 Memory Limit Exceeded   1 90 31.34
26
26
2883 Widget Factory   2 94 32.62
26
26
2961 Triomino Game   2 236 28.36
26
42
3426 Ouroboros Snake   2 81 52.59
26
34
3734 Periodni   2 510 34.78
26
34
3865 Reljef   3 94 39.22
26
17
4063 Sell Pigs   2 393 49.25
26
42
4155 OTOCI   2 450 44.82
26
34
4176 A Knightly Pursuit   2 63 27.56
26
17
4390 Cards shuffing   2 117 26.48
26
21
4454 Brackets II   8 411 35.91
26
24
4546 Tobo or not Tobo   2 255 19.36
26
26
4587 Electric Fences   -1 124 31.95
26
26
5467 Finding password   6 182 17.08
26
34
5530 Math with Bases (Easy)   2 63 24.94
26
9
5673 Fractions on Tree ( reloaded !)   2 244 38.22
26
34

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