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Lab Functions 2 Topics covered: C++ Program Development Practice, Loops, Functions and Arrays Lab Elements A. Factorial Calculation Use filename: factorial.cpp write a function that computes the factorial for given integer value by loop iteration. Note - for a given number n, its factorial value is given by n! = 1*2*3*...*(n-1)*n By definition, 0! = 1! = 1 The function prototype is given by int factorial(const int &); Function should do following tests on argument value: • If argument < 0, return -1. After the function returns, your main() should check the return value. If return value == -1, output an error message and halt program execution by using the statement: return 1; The code in main() would look something like - int factorialValue if(factorialValue == -1) { factorial(-1); // trying to compute (-1)! %3D cout « "Error: factorial value for negative number is not defined" <« endl; return 1; If (argument==0) || (argument==1), immediately return 1; • For argument > 1, compute its factorial by iteration and return factorial value

Lab Functions 2 Topics covered: C++ Program Development Practice, Loops, Functions and Arrays Lab Elements A. Factorial Calculation Use filename: factorial.cpp write a function that computes the factorial for given integer value by loop iteration. Note - for a given number n, its factorial value is given by n! = 1*2*3*...*(n-1)*n By definition, 0! = 1! = 1 The function prototype is given by int factorial(const int &); Function should do following tests on argument value: • If argument < 0, return -1. After the function returns, your main() should check the return value. If return value == -1, output an error message and halt program execution by using the statement: return 1; The code in main() would look something like - int factorialValue if(factorialValue == -1) { factorial(-1); // trying to compute (-1)! %3D cout « "Error: factorial value for negative number is not defined" <« endl; return 1; If (argument==0) || (argument==1), immediately return 1; • For argument > 1, compute its factorial by iteration and return factorial value

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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EECE1080C/CS1021C Lab Functions 2 Topics covered: C++ Program Development Practice, Loops, Functions and Arrays Lab Elements A. Factorial Calculation Use filename: factorial.cpp Write a function that computes the factorial for given integer value by loop iteration. Note - for a given number n, its factorial value is given by n! = 1*2*3*...*(n-1)*n By definition, e! = 1! = 1 The function prototype is given by int factorial(const int &); Function should do following tests on argument value: • If argument < 8, return -1. After the function returns, your main() should check the return value. If return value == -1, output an error message and halt program execution by using the statement: return 1; The code in main() would look something like - int factorialValue = factorial(-1); // trying to compute (-1)! if(factorialValue -1) { == cout « "Error: factorial value for negative number is not defined" <« endl; return 1; • If (argument==0) || (argument==1), immediately return 1; • For argument > 1, compute its factorial by iteration and return factorial value For testing, include a main() in your code and call your factorial function. You can use an online factorial calculator to check your code outputs (For example, see: https://www.factorial-calculator.com)." DELIVERABLES FOR GRADING - This lab element wil1 be auto-graded in zyBooks. Copy and paste the contents of only your factorial function into the main.cpp Window for zyLabs using link provided on CANVAS site for lab (do not copy your main() function into the window).
Transcribed Image Text:EECE1080C/CS1021C Lab Functions 2 Topics covered: C++ Program Development Practice, Loops, Functions and Arrays Lab Elements A. Factorial Calculation Use filename: factorial.cpp Write a function that computes the factorial for given integer value by loop iteration. Note - for a given number n, its factorial value is given by n! = 1*2*3*...*(n-1)*n By definition, e! = 1! = 1 The function prototype is given by int factorial(const int &); Function should do following tests on argument value: • If argument < 8, return -1. After the function returns, your main() should check the return value. If return value == -1, output an error message and halt program execution by using the statement: return 1; The code in main() would look something like - int factorialValue = factorial(-1); // trying to compute (-1)! if(factorialValue -1) { == cout « "Error: factorial value for negative number is not defined" <« endl; return 1; • If (argument==0) || (argument==1), immediately return 1; • For argument > 1, compute its factorial by iteration and return factorial value For testing, include a main() in your code and call your factorial function. You can use an online factorial calculator to check your code outputs (For example, see: https://www.factorial-calculator.com)." DELIVERABLES FOR GRADING - This lab element wil1 be auto-graded in zyBooks. Copy and paste the contents of only your factorial function into the main.cpp Window for zyLabs using link provided on CANVAS site for lab (do not copy your main() function into the window).
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