Background For a long time, gcc has been providing a number of builtin bit-twiddling functions, in particular the number of trailing and leading 0-bits (also f
When bitwise & operation is greater or equal to bitwise ^ operation? For example, 4&7 >= 4^7 is true. How do we know when it will be true? The one wa
Maybe you can help me with the following problem that can help me speed a memory manager I am thinking of (I am not sure a solution exists – I did not fin
I recently came across this question on Leetcode and figured out a solution that I need some clarification with: Given an array of integers, every element a
I am reading K&R book for c language and in section 2.10 they give the following example: /*bitcount: count 1 bits in x*/ int bitcount(unsigned x) { in
I watched a youtube video on the Top 10 Craziest Assembly Language Instructions and some of these instructions have no obvious application to me. What's the poi
How to find the length of the longest consecutive bit string(either 1 or 0)? 00000000 11110000 00000000 00000000 -> If it is 0 then length will be 20 111