e a function that takes an unsigned integer and returns the number of '1' bits it has (also known as the Hamming weight). For example, the 32-bit integer '11' has binary representation 00000000000000000000000000001011, so the function should return 3. T(n)- O(k) : k is the number of 1s present in binary representation. NOTE: this complexity is better than O(log n). e.g. for n = 00010100000000000000000000000000 only 2 iterations are required..
e a function that takes an unsigned integer and returns the number of '1' bits it has (also known as the Hamming weight). For example, the 32-bit integer '11' has binary representation 00000000000000000000000000001011, so the function should return 3. T(n)- O(k) : k is the number of 1s present in binary representation. NOTE: this complexity is better than O(log n). e.g. for n = 00010100000000000000000000000000 only 2 iterations are required..
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Write a function that takes an unsigned integer and
returns the number of '1' bits it has
(also known as the Hamming weight).
For example, the 32-bit integer '11' has binary
representation 00000000000000000000000000001011,
so the function should return 3.
T(n)- O(k) : k is the number of 1s present in binary representation.
NOTE: this complexity is better than O(log n).
e.g. for n = 00010100000000000000000000000000
only 2 iterations are required..
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