Program Plan: Include header files. Start "main()" function. Make a string array "spam" containing 30 spam sample keywords. Declare "spamscore" and "countword" variables to store count of spam words and total words respectively. Accept "emailmsg". Use stringstream "s" for breaking words of emailmsg. Start while loop where words from stringstream "s" goes into string "word". Condition of executing loop is till we have words in stream "s". Increment countword. Use for loop for value i=1 to 30 for each word in array "spam". If word is same as one of spam keywords increase spamscore. end for loop end while loop Display Total Number of words in a message. Display Total Number of spam words in a message. Using type casting calculate "spampercent" as "((float)spamscore/(float)countword)*100;". If "spampercent> 30" then display "It's a spam message". else display "It's not a spam". Return and exit "main()" function.

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Chapter 21, Problem 21.27MAD

Program Plan Intro

Program Plan:

Include header files.

Start "main()" function.

Make a string array "spam" containing 30 spam sample keywords.

Declare "spamscore" and "countword" variables to store count of spam words and total words respectively.

Accept "emailmsg".

Use stringstream "s" for breaking words of emailmsg.

Start while loop where words from stringstream "s" goes into string "word". Condition of executing loop is till we have words in stream "s".

Increment countword.

Use for loop for value i=1 to 30 for each word in array "spam".

If word is same as one of spam keywords increase spamscore.

end for loop

end while loop

Display Total Number of words in a message.

Display Total Number of spam words in a message.

Using type casting calculate "spampercent" as "((float)spamscore/(float)countword)*100;".

If "spampercent> 30" then display "It's a spam message".
else display "It's not a spam".

Return and exit "main()" function.

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