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Coding Interview Question: Given an array containing all the numbers from 1 to n except two, find the two missing numbers. Click for the solution.
Bit Manipulation
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Coding Interview Question: Given a list of bytes a, each representing one byte of a larger integer, and an integer b, find a % b. Click for the solution.
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Coding Interview Question: Given two integers, write a function to sum the numbers without using any arithmetic operators. Click for the solution.
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Coding Interview Question: Given two integers, write a function that swaps them without using any temporary variables. Click for the solution.
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Coding Interview Question: Given two integers, determine whether or not their binary representations differ by a single bit. Click for the solution.
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Coding Interview Question: Given a number, write a function to rotate the bits (ie circular shift). Click for the solution.
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Coding Interview Question: Given an integer, compute the number of ones in the binary representation of the number. Click for the solution.