C++ Exercises: Read an integer n and prints the factorial of n

C++ Basic: Exercise-69 with Solution

Write a C++ program to read an integer n and prints the factorial of n, assume that n ≤ 10.

Pictorial Presentation:

Sample Solution:

C++ Code :

#include <iostream>
using namespace std;

long long factorial(int num) {
    if (num == 0) {
        return 1;
    }
    else {
        return num * factorial(num-1);
    }
}

int main() {
    int num;
    cin >> num;
    cout << factorial(num) << endl;
}

Sample Output:

sample Output
1

Flowchart:

C++ Code Editor:

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