Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
5th Edition
ISBN: 9780134801407
Author: GADDIS
Publisher: PEARSON
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Expert Solution & Answer
Chapter 5.5, Problem 5.24CP
Explanation of Solution
Sentinel:
Sentinel is the special value which is used to stop the sequence of series when there is no indication of explicit size.
- It is also called as “flag value” or “dummy value” created in the
algorithm to terminate the program. - The sentinel value must be a distinct value from the other data values, so that it is guaranteed to end the data.
- For example: “null character” is used to end the null terminated string and a “negative integer” is used to indicate the end of sequence for non-negative integers.
- Whenever the program reads the sentinel value it stops the execution of loop, because it knows that it reaches the end of sequence.
Example Program:
The following program code uses the sentinel value:
#Initialize the variables
total = 0
counter = 0
# Get the marks
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Chapter 5 Solutions
Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
Chapter 5.1, Problem 5.1CPChapter 5.1, Problem 5.2CPChapter 5.1, Problem 5.3CPChapter 5.2, Problem 5.4CPChapter 5.2, Problem 5.5CPChapter 5.2, Problem 5.6CPChapter 5.2, Problem 5.7CPChapter 5.2, Problem 5.8CPChapter 5.2, Problem 5.9CPChapter 5.3, Problem 5.10CP
Chapter 5.3, Problem 5.11CPChapter 5.3, Problem 5.12CPChapter 5.3, Problem 5.13CPChapter 5.3, Problem 5.14CPChapter 5.3, Problem 5.15CPChapter 5.3, Problem 5.16CPChapter 5.3, Problem 5.17CPChapter 5.3, Problem 5.18CPChapter 5.4, Problem 5.19CPChapter 5.4, Problem 5.20CPChapter 5.4, Problem 5.21CPChapter 5.4, Problem 5.22CPChapter 5.4, Problem 5.23CPChapter 5.5, Problem 5.24CPChapter 5.5, Problem 5.25CPChapter 5, Problem 1MCChapter 5, Problem 2MCChapter 5, Problem 3MCChapter 5, Problem 4MCChapter 5, Problem 5MCChapter 5, Problem 6MCChapter 5, Problem 7MCChapter 5, Problem 8MCChapter 5, Problem 9MCChapter 5, Problem 10MCChapter 5, Problem 1TFChapter 5, Problem 2TFChapter 5, Problem 3TFChapter 5, Problem 4TFChapter 5, Problem 5TFChapter 5, Problem 6TFChapter 5, Problem 7TFChapter 5, Problem 8TFChapter 5, Problem 9TFChapter 5, Problem 10TFChapter 5, Problem 1SAChapter 5, Problem 2SAChapter 5, Problem 3SAChapter 5, Problem 4SAChapter 5, Problem 5SAChapter 5, Problem 6SAChapter 5, Problem 7SAChapter 5, Problem 8SAChapter 5, Problem 9SAChapter 5, Problem 10SAChapter 5, Problem 1AWChapter 5, Problem 2AWChapter 5, Problem 3AWChapter 5, Problem 4AWChapter 5, Problem 5AWChapter 5, Problem 6AWChapter 5, Problem 7AWChapter 5, Problem 8AWChapter 5, Problem 9AWChapter 5, Problem 10AWChapter 5, Problem 1DEChapter 5, Problem 2DEChapter 5, Problem 3DEChapter 5, Problem 1PEChapter 5, Problem 2PEChapter 5, Problem 3PEChapter 5, Problem 4PEChapter 5, Problem 5PEChapter 5, Problem 6PEChapter 5, Problem 7PEChapter 5, Problem 8PEChapter 5, Problem 9PEChapter 5, Problem 10PEChapter 5, Problem 11PEChapter 5, Problem 12PEChapter 5, Problem 13PE
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