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filename

factorial.cpp

// C++ program to find factorial of given number

#include<iostream>

// function to find factorial of given number

unsigned int factorial(unsigned int n) {

if (n == 0)

return 1;

return n * factorial(n - 1);

}

// Driver code

int main() {

int num = 5;

std::cout << "Factorial of " << num << " is " << factorial(num)

<< std::endl;

return 0;

}