Random walk Program Plan: Import the header file. Define the main method. Call the “printIntro ()” method. Get the input from the user. Call the “avgTravel ()” method and store it in a variable. Display the result by calling “printSummary ()” method. Define the “printIntro ()” method. Display the messages. Define the “avgTravel ()” method. Set the values Iterate “i” till it reaches 1000 Call the “simNSteps ()” method Calculate the “totBlocks” Check “totBlocks” is equal to 0 Set the value Otherwise, calculate the “avgDist” Return the result. Define “simNBlocks ()” method Set the values Iterate “i” till it reaches “n” Calculate “x” value Check “x” is greater than or equal to 0 and less than 1 Increment the “blockX” value Check “x” is greater than or equal to 1 and less than 2 Decrement the “blockX” value. Check “x” is greater than or equal to 2 and less than 3 Increment the “blockY” value Otherwise, decrement the “blockY” value. Return the result. Define “printSummary ()” method Display the result. Call the main method.

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Chapter 9, Problem 13PE

Program Plan Intro

Random walk

Program Plan:

Import the header file.

Define the main method.

Call the “printIntro ()” method.

Get the input from the user.

Call the “avgTravel ()” method and store it in a variable.

Display the result by calling “printSummary ()” method.

Define the “printIntro ()” method.

Display the messages.

Define the “avgTravel ()” method.

Set the values

Iterate “i” till it reaches 1000

Call the “simNSteps ()” method

Calculate the “totBlocks”

Check “totBlocks” is equal to 0

Set the value

Otherwise, calculate the “avgDist”

Return the result.

Define “simNBlocks ()” method

Set the values

Iterate “i” till it reaches “n”

Calculate “x” value

Check “x” is greater than or equal to 0 and less than 1

Increment the “blockX” value

Check “x” is greater than or equal to 1 and less than 2

Decrement the “blockX” value.

Check “x” is greater than or equal to 2 and less than 3

Increment the “blockY” value

Otherwise, decrement the “blockY” value.

Return the result.

Define “printSummary ()” method

Display the result.

Call the main method.

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