48 Extreme Fibonacci 2017-07-20T19:59:47.837

38 Solve Rubik's cube 2013-02-24T17:44:27.367

32 Area of a Self-Intersecting Polygon 2015-03-11T19:57:36.877

23 Fraction to exact decimal 2016-08-09T05:03:05.300

23 Encode - Shuffle - Decode 2018-09-23T15:41:17.293

22 Last non-zero digit of n! 2011-02-08T09:03:33.850

21 Calculating Collatz Cousins 2015-05-28T18:08:07.483

21 Compute the inverse of an integer modulo 100000000003 2017-07-04T07:15:19.433

19 Number of distinct non-empty subsequences of binary expansion 2017-10-15T14:09:36.603

19 Counting creatures on a hexagonal tiling 2019-09-17T17:41:40.293

17 Fastest tweetable integer factorizer 2017-07-08T19:10:29.513

16 Output a primitive element for each field size 2017-07-01T16:46:52.063

16 Plight of the Concorde 2019-02-01T16:41:39.780

13 Square root a number 2017-07-07T12:51:06.713

11 Which really big number is bigger? 2019-04-25T10:16:37.720

9 Find a number which generates all the integers mod q 2017-07-02T11:36:07.003

9 Output all distinct permutations of a vector 2017-11-07T19:50:00.623

8 The N Queens Problem, but with Fairy Chess Pieces 2018-05-19T20:29:21.903

8 Next number with k fives 2019-03-26T01:53:37.743

7 Solve a Rubik's Cube 2018-01-15T22:30:15.897

5 Find X,Y,Z coordinates from index 2019-07-11T20:02:04.657

5 Choose 3 strings and output the exact minimum Hamming distance between any pair 2020-01-31T19:07:52.010

2 Shift the digits 2020-02-18T10:12:01.047

-4 Output first \$n\$ digits of \$\pi^{1/\pi}\$ 2019-05-20T08:26:33.650

-6 Report divisibility with arithmetic integer operations only 2019-07-02T15:32:47.010