pc008.c

Problem Statement

pc008.c

Factorial upto N

Source Code

#include <stdio.h>

int main()
{
    int n, i;
    long long fact = 1;
    printf("Enter n : ");
    if (scanf("%d", &n) != 1)
    {
        printf("\nOnly non-negative number allowed.");
        return 1;
    }
    if (n < 0)
    {
        printf("\nOnly non-negative number allowed.");
        return 1;
    }
    if (n == 0)
    {
        printf("\nFactorial of 0 : 1");
        return 0;
    }
    for (i = 1; i <= n; i++)
        fact *= i;
    printf("\nFactorial of %d : %lld", n, fact);
    return 0;
}

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● Author - Amit Dutta · Updated - 12 Dec 2025