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Ex 5) This exercise uses sub-algorithms. Trace the algorithm when input value is 4 and complete the trace tables. Also note that there are two variables named num. One is in the main algorithm and another is the sub-algorithm. Write pre- post-conditions for each of these algorithms (the main one and the sub-algorithm). output num 10 start prime(num) start returned value

Ex 5) This exercise uses sub-algorithms. Trace the algorithm when input value is 4 and complete the trace tables. Also note that there are two variables named num. One is in the main algorithm and another is the sub-algorithm. Write pre- post-conditions for each of these algorithms (the main one and the sub-algorithm). output num 10 start prime(num) start returned value

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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Please help me with this question. I am having a hard time understanding what to do. Please complete the question in the image below. What are the post and preconditions

Thank you 

Ex 5) This exercise uses sub-algorithms. Trace the algorithm when input value is 4 and complete the trace tables. Also note that there are two variables named num. One is in the main algorithm and another is the sub-algorithm. Write pre- post-conditions for each of these algorithms (the main one and the sub-algorithm). num output start num i42 is num i+i+1 prime()=true end F prime(num) start num flag-true d+2 flag true and dsnum/2 num mod d = 0 flag-false d+d+1 ret flag Flag returned value
Transcribed Image Text:Ex 5) This exercise uses sub-algorithms. Trace the algorithm when input value is 4 and complete the trace tables. Also note that there are two variables named num. One is in the main algorithm and another is the sub-algorithm. Write pre- post-conditions for each of these algorithms (the main one and the sub-algorithm). num output start num i42 is num i+i+1 prime()=true end F prime(num) start num flag-true d+2 flag true and dsnum/2 num mod d = 0 flag-false d+d+1 ret flag Flag returned value
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