REC03_Problems

REC03_Problems - 1 14:440:127 Introduction to Computers for Engineers Recitation 03 Problems Solutions Rutgers University Spring 2011 Instructor

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1 14:440:127– Introduction to Computers for Engineers Recitation 03 Problems Solutions Rutgers University, Spring 2011 Instructor - Brenda V. Cortez 1. Write a program with a function main that calls a function named myOperation , which prompts the user to enter two values ( x and y ) of type float and prints the result of calculating x y . Hint: main function is simply calling the function but nothing is returned to it. 2. Write a program with a function main that calls a function named myOperation , which prompts the user to enter two values ( x and y ) of type float , checks that they are positive using a while-loop , and then prints the result of calculating x y . Hint: main function is simply calling the function but nothing is returned to it. 3. Trim down your code for Problem 2 , by creating an additional function called checkIfPositive , that takes one argument and checks if is is positive. checkIfPositive should validate the argument’s value and return the validated value to where it was called from, so that x y can be calculated. Hint: Your function checkIfPositive will need to be called from myOperation since this is the function that prompts the user for input. NOTE : pow(x,y) doesn’t work with variables of type int 4. Write a program using the <string> class that prints the following menu to the user: Destinations: 1. Hawaii 2. Australia 3. France --------------------------- And prompts the user to enter the destination they wish to travel to and based on this prints the cost of a round trip airplane ticket out of Newark International Airport. If the user enters “Hawaii” or “hawaii”, the price is $596. If the user enters “Australia” or “australia”, the price is $1067, but if the user enters “France” or “france”, then the price is $635. Anything else should make the program tell the user: “Your destination price is not available”. 5. Write a program with a
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This note was uploaded on 02/20/2011 for the course ENGR 127 taught by Professor Hunter,eleswarapu,cortez during the Spring '11 term at Rutgers.

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REC03_Problems - 1 14:440:127 Introduction to Computers for Engineers Recitation 03 Problems Solutions Rutgers University Spring 2011 Instructor

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