105 Xorting an array 2015-12-29T17:41:11.440

42 Bitflip and negate 2016-09-07T18:49:16.050

41 Cheating a multiple choice test 2016-01-20T18:04:43.323

40 Programming with Bits and Bytes 2015-09-07T14:10:23.820

37 Folding Numbers 2016-10-06T12:53:03.507

35 Sort numbers by binary 1's count 2014-02-18T23:38:57.133

34 XOR multiplication 2015-05-15T20:27:23.273

32 Calculate the longest series of 1's in an integer's binary value 2017-09-16T19:47:44.550

30 Mean bits: an average challenge 2016-05-25T01:57:01.960

28 Vampire Compatibility 2015-03-19T18:58:25.683

28 Bit-Reversal Permutations 2016-06-20T19:32:55.020

27 Compress 8 bits to 6 when certain bit patterns will never occur 2020-02-07T02:57:00.683

26 Digital Hardness of Integers 2017-01-06T19:52:35.703

26 Toggle some bits and get a square 2018-08-08T21:36:41.317

26 Can a neural network recognize primes? 2019-04-11T16:43:00.077

24 Split a byte array into a bit array 2016-03-22T02:32:42.217

23 Compute the Binary Sierpinski Triangle Sequence 2015-12-23T13:36:23.953

23 Produce an XOR table 2015-12-27T15:52:33.560

23 The XOROR sequence 2016-03-04T17:18:09.230

22 Different number, same weight 2017-06-01T22:27:48.443

21 Reverse Bit Order of 32-bit Integers 2014-08-15T12:44:36.157

20 "Bit-borrow" two numbers 2016-06-17T02:46:50.603

20 Double, XOR and do it again 2018-06-06T06:52:48.627

19 Bitwise XOR of rational numbers 2017-11-14T08:43:13.400

18 Generate a parity bit 2016-04-25T23:26:36.360

18 Make Wise Numbers 2017-05-06T17:30:03.927

18 Find the number of leading zeroes in a 64-bit integer 2018-12-09T23:08:42.553

16 Unwise bit operations 2015-04-02T22:10:49.087

16 Find the XOR Primes 2015-12-17T18:35:55.527

16 Decode a variable-length quantity 2019-08-07T15:52:18.877

16 Floating Point XOR 2019-09-15T13:33:20.810

15 Shifty XORyption 2015-04-25T16:55:24.837

15 Binary Convolution 2016-11-05T07:18:51.530

15 XOR sort an array 2017-12-28T03:14:34.203

15 Summing a sub-square of a quarter of an infinite chessboard 2020-02-26T22:16:36.947

14 Summation under Zeckendorf Representation 2015-08-05T18:12:12.870

14 Compute CRC32 Hash 2016-05-01T01:32:15.147

14 Golf bit weaving 2016-06-29T13:10:47.410

14 Exploring the xorspace 2017-06-05T13:09:49.937

12 Implement an 8 bit adder 2014-08-30T00:00:51.843

12 Mask an IP address and give its broadcast 2015-12-25T01:24:41.963

12 Alternating bit smearing 2017-12-22T17:10:22.227

11 Bijective mapping from integers to a variable number of bits 2016-02-12T21:14:52.687

10 Write a program that turns every 17th bit of a text file to a 1 2014-09-03T04:56:23.497

10 Super Folding Numbers 2016-10-07T01:20:19.050

9 Compare four integers, return word based on maximum 2019-03-04T06:50:43.143

9 String to Bit Transition 2019-07-10T01:37:21.267

7 Implement bit-wise matrix multiplication 2014-08-20T19:05:11.567

7 Extraction of Bits 2014-09-01T11:58:51.963

7 Do two numbers contain unique powers of 2 2017-06-05T05:29:54.627

7 Computational Parity Party! 2020-02-11T18:04:07.537

6 Arbitrarily Shift Bit Array Represented As Array of 32-bit Integers 2014-01-25T02:59:20.513

5 Recover a bzip2 file 2014-07-16T05:58:12.933

4 Bit Manipulator/Reader 2016-03-01T16:43:50.413

4 Find the Closest Double Palindrome 2017-06-27T19:53:09.580

3 Wanna be an Alchemist 2018-03-06T20:55:03.553

1 (bit)Wise Images 2019-03-03T16:08:11.230

0 Check if a given 8-bit Number is sparse 2015-10-19T13:40:18.233

-1 Mirror, Mirror, on the wall. Who's the fairest of them all? 2019-10-18T18:45:04.377

-2 Interpreting the Wolfram Code 2019-12-10T12:51:19.800