C Examples

WAP in C to Calculate Factorial without Recursive Function!

The Program in C to Calculate Factorial without Recursive Function is given below:

#include <stdio.h>

int factorial(int n) {
    int result = 1;
    for (int i = 1; i <= n; i++) {
        result *= i;
    }
    return result;
}

int main() {
    int num;
    printf("Enter a number: ");
    scanf("%d", &num);
    int fact = factorial(num);
    printf("The factorial of %d is %d\n", num, fact);
    return 0;
}

Output:

Enter a number: 9
The factorial of 9 is 362880

Pro-Tips💡

In this program, the function ‘factorial’ takes an integer as an argument and returns its factorial without using recursion.

Inside the function, a variable ‘result’ is initialized to 1 and a for loop is used to iterate from 1 to the given number.

Inside the loop, the value of ‘result’ is multiplied by the current iteration number.

Finally, the value of ‘result’ is returned as the factorial of the given number.

In main function, user is prompted to enter a number, the number is passed to the factorial function, and the result is stored in variable ‘fact’ and it is printed.

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