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CIS 170C iLab 5 of 7: Arrays and Strings (Devry)
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CIS 170C iLab 5 of 7: Arrays and Strings (Devry)

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Lab # CIS CIS170C-A5 Lab 5 of 7: Arrays and Strings Lab Overview - Scenario/Summary

You will code, build, and execute two programs requiring arrays and strings.

First program (Video Game Player Program): Determine the average score for a group of players and then determine who scored below average.

Second program (Pig Latin): Convert words in a phrase to pig latin.

Learning outcomes:

Be able to explain the need for arrays in a program. Be able to determine the appropriate array data type to use in a given program. Be able to write a program that implements arrays. Be able to explain the way memory is allocated for arrays in a program. Be able to explain the fact that arrays are objects in C++. Be able to write a program that implements strings.Deliverables

Section

Deliverable

Points

Part A

Step 5: Program Listing and Output

20

Part B

Step 5: Program Listing and Output

25

Lab Steps

Preparation:

If you are using the Citrix remote lab, follow the login instructions located on the iLab tab in Course Home.

Locate the Visual Studio 2010 icon and launch the application.

Lab:

Part A: Video Game Player Program

Step 1: Requirements

Write a program to do the following:

In main, declare a PlayerName Array and a Score Array. Declare the size of the arrays to be 100.

In the InputData function, input the player name and score into the arrays for an unknown number of players up to 100.

In the DisplayPlayerData function, display the name and score of each player. Numberofplayers

In the CalculateAverageScore function, calculate the average score and return it by value. numberofplayers

In the DisplayBelowAverage function, display the name and score for any player who scored below the average. Do not use global variables.

Number of players

Output from Program:

Enter Player Name (Q to quit): Bob

Enter score for Bob: 3245

Enter Player Name (Q to quit): Sue

Enter score for Sue: 1098

Enter Player Name (Q to quit): Dave

Enter score for Dave: 8219

Enter Player Name (Q to quit): Pat

Enter score for Pat: 3217

Enter Player Name (Q to quit): Q

Name Score

Bob 3245

Sue 1098

Dave 8219

Pat 3217

Average Score: 3944.75

Players who scored below average

Name Score

Bob 3245

Sue 1098

Pat 3217

Press any key to continue . . .

Step 2: Processing Logic

Using the pseudocode below, write the code that will meet the requirements.

Main Function

Declare the player name and score arrays, number of players, and average score.

Call the InputData function

Call the DisplayPlayerData function

Call the CalculateAverageScore function and assign the returned value in average score

Call the DisplayBelowAverage function

InputData function

While the number of players is less than the length of the array

Prompt for the player's name

If the user entered Q, break out of the loop

Prompt the user for the player's score

Add 1 to the number of players

End-While

DisplayPlayerData function

Display the name and score of each player

CalculateAverageScore function

Add up the scores and divide by the number of scores to calculate the average score

Display the average score

Return the average score to main

DisplayBelowAverage function

Display the names and scores of all players who scored below the average score

Step 3: Create a New Project

Create a new project and name it LAB5A. Write your code using the Processing Logic in Part A, Step 2. Make sure you save your program.

Step 4: Compile and Execute

a) Compile your program. Eliminate all syntax errors.

b) Build your program and verify the results of the program. Make corrections to the program logic if necessary until the results of the program execution are what you expect.

Step 5: Print Screen Shots and Program

Capture a screen print of your output. (Do a PRINT SCREEN and paste into an MS Word document.) Copy your code and paste it into the same MS Word document that contains the screen print of your output. Save the Word document as Lab05A_LastName_FirstInitial.

END OF PART A

Part B: Pig Latin

Step 1: Requirements

Write a program that will input a phrase and convert it to pig latin. Put each word in a separate element of a string array. Remove the first letter from each word and concatenate it to the end of the word followed by “ay.”

Sample Output from Program:

*****************************************************

* You will be prompted to enter a string of *

* words. The string will be converted into *

* Pig Latin and the results displayed. *

* Enter as many strings as you would like. *
******************************************************

Enter a group of words or ENTER to quit: Computer Programming is fun to learn!

Original words: Computer Programming is fun to learn!

New Words: omputercayogrammingprayiswayunfayotayearnlay!

Enter a group of words or ENTER to quit: Quit

Pig Latin Hint:
If a word begins with one or more consonants, move the consonant or consonant cluster to the end of the word. Add the letters "ay" to the end of the word. So, "pig" would be "igpay," and “latin” would be “atinlay.”

Step 2: Processing Logic

Using the pseudocode below, write the code that will meet the requirements.

Main function

Display the heading

While the condition is true

Prompt the user for group of words or Enter to quit

Display original words

Call function pigLatinString( )

End while

pigLatinString( ) function

Declare and initialize string variables len, counter, start, begin, word and newString

While condition is true

Call find() and pass a space and start as parameters and return the returned value

to start

if start equals to string::npos

jump outside the loop permanently

call substr() function

display the word

update newString

increment start by one

assign start to begin

End While

Call substr()

Update newString

Return newString

Step 3: Create a New Project

Create a new project and name it LAB5B. Write your code using the Processing Logic in Part B, Step 2. Make sure you save your program.

Step 4: Compile and Execute

a) Compile your program. Eliminate all syntax errors.

b) Build your program and verify the results of the program. Make corrections to the program logic if necessary until the results of the program execution are what you expect.

Step 5: Print Screen Shots and Program

Capture a screen print of your output. (Do a PRINT SCREEN and paste into an MS Word document.) Copy your code and paste it into the same MS Word document that contains the screen print of your output. Save the Word document as Lab05B_LastName_FirstInitial.

END OF LAB 

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