Question

I need a simple factorial program that has

int fact (int i) I need to explain step by step

Answer 1

// C language code
#include <stdio.h>

int fact(int n){
   int result = 1;
   if(n<0){
      return 0;
   }
   while(n>1){
      result *= n;
      n--; 
   }
   return result;
}

int main(){
   int n;
   printf("Enter value for n: ");
   scanf("%d",&n);
   printf("Factorial = %d\n",fact(n));
   
   return 0;
}