Bits | K5kC

Single Number 1 - All elements except one occur twice

Find missing integer in an array with only access to jth bit of elements

Single Number 3 - All elements except two occur twice

Explain (n & (n-1)) == 0

Power of Two Problem

x&(x-1) Explained

Number of 1 Bits Problem

Swap two number in place without temporary variables

Reverse a string in C using as little additional memory as possible

Generate All Strings of n bits