CODE USING C++3. Outsmarting the Guardby CodeChum AdminGreat! Thanks to your help I've now reached the enemy's base. According to the plan, no one's supposedly going to see me but this guard has outsmarted me! He's big and mean and he's in here in front of me! For some reason though, although he looks scary on the outside, he's soft in the inside. He agreed to let me pass as long as I could compute the factorial of certain number. Please help me, Programmer! Instructions:In the code editor, you are given the main() code with the initial version of the factorial() function.To recap your basic math, the factorial of a number is basically the product of all the numbers from 1 up to that number. For example, the factorial of 5 is 120 because 1 x 2 x 3 x 4 x 5 = 120 and factorial of 3 is just 6 because 1 x 2 x 3 = 6. However, there's a special case and that is the factorial of 0 which is 1.The initial factorial() function lacks the recursive case. Fix it so the guard would let Agent J. in.Input1. Value of nOutputEnter n:·5Factorial of 5 is 120 main.cpp< > +C++Tests1 #include 2 using namespace std;CE Run Tests34 int factorial(int);Constraints6 int main(void) {int n;78O Constraint 1cout << "Enter n: ";The code should call 'factorial' in main.10cin >> n;1112cout <« "Factorial of " <« n « " is " « factorial(n);13O Constraint 214return 0;The 'factorial function should apply recursion.15 }1617 int factorial(int n) {if(n <= 1) {return 1;Test Cases1819} else {// TODO: Add the recursive case hereO Test Case 12021...22Your Outputreturn}24 }23No OutputExpected OutputEnter n: 5Factorial of 5 is 120O Test Case 2Your OutputExecute Code [F10]Submit Code1 Launch me

#include <iostream>using namespace std; int factorial(int n); int main() { int n;…

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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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CODE USING C++

3. Outsmarting the Guard

by CodeChum Admin

Great! Thanks to your help I've now reached the enemy's base.

According to the plan, no one's supposedly going to see me but this guard has outsmarted me! He's big and mean and he's in here in front of me!

For some reason though, although he looks scary on the outside, he's soft in the inside. He agreed to let me pass as long as I could compute the factorial of certain number. Please help me, Programmer!

Instructions:

In the code editor, you are given the main() code with the initial version of the factorial() function.
To recap your basic math, the factorial of a number is basically the product of all the numbers from 1 up to that number. For example, the factorial of 5 is 120 because 1 x 2 x 3 x 4 x 5 = 120 and factorial of 3 is just 6 because 1 x 2 x 3 = 6. However, there's a special case and that is the factorial of 0 which is 1.
The initial factorial() function lacks the recursive case. Fix it so the guard would let Agent J. in.

Input

1. Value of n

Output

Enter n:·5

Factorial of 5 is 120