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def mys (n): "''Pre: n is an integer > 0 m = 0 while not (n==0): n = n/2 # This is integer division m = m + 1 return m. A. Part (a) Prove that the code establishes and maintains the following loop invariant: I(n): n is integer. B. Part (b) Is n a variant for the loop? Your answer must be one of the following: Yes: (Write your explanation why yes) No: (Write your explanation why no) C. Part (c) State the postcondition of this function.

def mys (n): "''Pre: n is an integer > 0 m = 0 while not (n==0): n = n/2 # This is integer division m = m + 1 return m. A. Part (a) Prove that the code establishes and maintains the following loop invariant: I(n): n is integer. B. Part (b) Is n a variant for the loop? Your answer must be one of the following: Yes: (Write your explanation why yes) No: (Write your explanation why no) C. Part (c) State the postcondition of this function.

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
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Question 1. This question concerns the following code. def mys(n): Pre: n is an integer > 0''' m = 0 while not (n==0): n = n/2 # This is integer division m = m + 1 return m A. Part (a) Prove that the code establishes and maintains the following loop invariant: I(n): n is integer. B. Part (b) Is n a variant for the loop? Your answer must be one of the following: Yes: (Write your explanation why yes) No: (Write your explanation why no) C. Part (c) State the postcondition of this function.
Transcribed Image Text:Question 1. This question concerns the following code. def mys(n): Pre: n is an integer > 0''' m = 0 while not (n==0): n = n/2 # This is integer division m = m + 1 return m A. Part (a) Prove that the code establishes and maintains the following loop invariant: I(n): n is integer. B. Part (b) Is n a variant for the loop? Your answer must be one of the following: Yes: (Write your explanation why yes) No: (Write your explanation why no) C. Part (c) State the postcondition of this function.
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