Homework Help is Here – Start Your Trial Now!
Engineering
Computer Science
Explain the code with completion.  def has_alternative_bit(n):     first_bit = 0     second_bit = 0     while n:         first_bit = n & 1         if n >> 1:             second_bit = (n >> 1) & 1             if not first_bit ^ second_bit:                 return False         else:             return True         n = n >> 1     return True     # Time Complexity - O(1) def has_alternative_bit_fast(n):     mask1 = int('aaaaaaaa', 16)  # for bits ending with zero (...1010)     mask2 = int('55555555', 16)  # for bits ending with one  (...0101)     return mask1 == (n + (n ^ mask1)) or mask2 == (n + (n ^ mask2)).

Explain the code with completion.  def has_alternative_bit(n):     first_bit = 0     second_bit = 0     while n:         first_bit = n & 1         if n >> 1:             second_bit = (n >> 1) & 1             if not first_bit ^ second_bit:                 return False         else:             return True         n = n >> 1     return True     # Time Complexity - O(1) def has_alternative_bit_fast(n):     mask1 = int('aaaaaaaa', 16)  # for bits ending with zero (...1010)     mask2 = int('55555555', 16)  # for bits ending with one  (...0101)     return mask1 == (n + (n ^ mask1)) or mask2 == (n + (n ^ mask2)).

Database System Concepts
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
See similar textbooks
icon
Related questions
Question

Explain the code with completion. 

def has_alternative_bit(n):
    first_bit = 0
    second_bit = 0
    while n:
        first_bit = n & 1
        if n >> 1:
            second_bit = (n >> 1) & 1
            if not first_bit ^ second_bit:
                return False
        else:
            return True
        n = n >> 1
    return True    

# Time Complexity - O(1)
def has_alternative_bit_fast(n):
    mask1 = int('aaaaaaaa', 16)  # for bits ending with zero (...1010)
    mask2 = int('55555555', 16)  # for bits ending with one  (...0101)
    return mask1 == (n + (n ^ mask1)) or mask2 == (n + (n ^ mask2)). 

 

Expert Solution
steps

Step by step

Solved in 4 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Binary numbers
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
SEE MORE TEXTBOOKS