If the value of a number (N) is entered through keyboard. Write a program using recursion to calculate and display factorial of number (N).

If the value of a number (N) is entered through keyboard. Write a program using recursion to calculate and display factorial of number (N). 
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1 Answer

Answer :

#include<stdio.h>

#include<conio.h>

int factorial(int N);

void main()

{

int N,fact;

clrscr();

printf("Enter number:");

scanf("%d",&N);

fact=factorial(N);

printf("\n Factorial is:%d",fact);

getch();

}

int factorial(int N)

{

if(N==1)

return(1);

else

return(N*factorial(N-1));

}


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