Factorial series in c





Series of factorial numbers in c


#include<stdio.h>
int main(){
  long f=1;
  int i,num,min,max;

  printf("Enter the minimum range: ");
  scanf("%d",&min);

  printf("Enter the maximum range: ");
  scanf("%d",&max);

  printf("Factorial series in given range: ");
  for(num=min;num<=max;num++){
    f=1;

    for(i=1;i<=num;i++)
      f=f*i;

    printf("%ld ",f);
  }

  return 0;
}

Sample output:
Enter the minimum range: 1
Enter the maximum range: 10
Factorial series in given range: 1 2 6 24 120 720 5040 40320 362880 3628800


Algorithm:

Factorial value

Factorial of number is defined as:
Factorial (n) = 1*2*3 … * n
For example: Factorial of 5 = 1*2*3*4*5 = 120
Note: Factorial of zero = 1 



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