Bit Algorithms :Questions

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Bit Algorithms:

1. Find the element that appears once
2. Detect opposite signs
3. Set bits in all numbers from 1 to n
4. Swap bits
5. Add two numbers
6. Smallest of three
7. A Boolean Array Puzzle
8. Set bits in an (big) array
9. Next higher number with same number of set bits
10. Optimization Technique (Modulus)
11. Add 1 to a number
12. Multiply with 3.5
13. Turn off the rightmost set bit
14. Check for Power of 4
15. Absolute value (abs) without branching
16. Modulus division by a power-of-2-number
17. Minimum or Maximum of two integers
18. Rotate bits
19. Find the two non-repeating elements in an array

Asked in: Accolite,Amazon,Google,MakeMyTrip,Microsoft,Qualcomm

1. Number Occurring Odd Number of Times
2. Check for Integer Overflow
3. Little and Big Endian
4. Reverse Bits of a Number
5. Count set bits in an integer
6. Number of bits to be flipped to convert A to B
7. Next Power of 2
8. Check if a Number is Multiple of 3
9. Find parity
10. Multiply with 7
11. Find whether a no is power of two
12. Position of rightmost set bit
13. Binary representation of a given number
14. Swap all odd and even bits
15. Find position of the only set bit
16. Karatsuba algorithm for fast multiplication
17. How to swap two numbers without using a temporary variable?
18. Check if a number is multiple of 9 using bitwise operators
19. Swap two nibbles in a byte
20. How to turn off a particular bit in a number?
21. Check if binary representation of a number is palindrome