added the code which performs addition of two numbers without using any arthematic operator
added the code which finds the min and max for two numbers without any comparision or branching statements
added the code which finds the total number of bitflips needed to convert one number to other
added the code which finds the two numbers which are repeated only once in the array of numbers which are repeated twice
added the code which finds the absolute value irespective of being positive or negative without using branching
added the code which performs modulus operation for any number with powers of two
added the code which does circular right and left shift to the bits of a number