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Bit Arithmeticm

Find position of the only set bit

February 20, 2016 by Dhaval Dave

Given a number having only one ‘1’ and all other ’0’s in its binary representation, find position of the only set bit.

Last Asked at @Microsoft

Say number is : 5 so its binary … Read More

Filed Under: Adobe Interview Questions, Interview Questions, Microsoft Interview Questions, problem Tagged With: Bit Arithmeticm

Find the element that appears once others appears thrice

January 27, 2015 by Dhaval Dave

Given an array where every element occurs three times, except one element which occurs only once. Find the element that occurs once.
Expected time complexity is O(n) and O(1) extra space.
Examples:
Input: arr[] =
… Read More

Filed Under: Amazon Interview Question, Interview Questions, Microsoft Interview Questions, problem Tagged With: Array, Bit Arithmeticm

Find two non repeating elements in an array of repeating elements

December 4, 2014 by Dhaval Dave

Given an array in which all numbers except two are repeated once.
(i.e. we have 2n+2 numbers and n numbers are occurring twice and remaining two have occurred once).
Find those two numbers in the
… Read More

Filed Under: Amazon Interview Question, problem Tagged With: Array, Bit Arithmeticm

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