facto using recur

#include<stdio.h>
 
long factorial(int);
 
int main()
{
  int n;
  long f;
  printf("Enter an integer to find factorial\n");
  scanf("%d", &n); 
 
  if (n < 0)
    printf("Negative integers are not allowed.\n");
  else
  {
    f = factorial(n);
    printf("%d! = %ld\n", n, f);
  }
 
  return 0;
}
 
long factorial(int n)
{
  if (n == 0)
    return 1;
  else
    return(n * factorial(n-1));
}

Comments

  1. #include
    #include
    void fact()
    void main()
    {
    int num;
    printf("enter a no");
    scanf("%d",&num);
    if(<fact<0 )
    {
    printf("dont find -ve no");
    }

    else
    {
    printf("%d",fact(num));
    }
    getch();
    }
    void fact(int num)
    {
    if(num==0)
    {
    return 1;
    }
    else
    {
    return (num*fact(num-1));
    }
    }

    ReplyDelete
  2. Exp 4 Factorial Using Recursion

    #include
    #include
    int fact(int i);
    void main()
    {
    int n;
    clrscr();
    printf("\n \t Enter the Number:");
    scanf("%d",&n);
    if(n<0)
    {
    printf("\n \t Cant calculate Factrial:");
    }
    else
    {
    printf("\n \t Factorial of number=%d",fact(n));
    }
    getch();
    }
    int fact(int i)
    {
    if(i==0)
    {
    return 1;
    }
    else
    {
    return(i*fact(i-1));
    }

    }

    ReplyDelete
  3. /*factorial using recursion*/

    #include
    #include
    int fact(int i);
    void main()
    {
    int n;
    clrscr();
    printf("\n \t Enter the Number:");
    scanf("%d",&n);
    if(n<0)
    {
    printf("\n \t Cant calculate Factrial:");
    }
    else
    {
    printf("\n \t Factorial of number=%d",fact(n));
    }
    getch();
    }
    int fact(int i)
    {
    if(i==0)
    {
    return 1;
    }
    else
    {
    return(i*fact(i-1));
    }

    }

    ReplyDelete
  4. Bhosale Dhanashri SE312:29 PM

    /*factorial using recursion*/

    #include
    #include
    int fact(int i);
    void main()
    {
    int n;
    printf("\n \t Enter the Number:");
    scanf("%d",&n);
    if(n<0)
    {
    printf("\n \t Cant calculate Factrial:");
    }
    else
    {
    printf("\n \t Factorial of number=%d",fact(n));
    }
    }
    int fact(int i)
    {
    if(i==0)
    {
    return 1;
    }
    else
    {
    return(i*fact(i-1));
    }

    }

    ReplyDelete

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