Answered: Write a function that takes an unsigned…

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.
Number of loops is
equal to the number of 1s in the binary representation."""
def count_ones_recur(n):.

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