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Write a recursive function to calculate the factorial of a positive integer.

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A recursive function to calculate the factorial of a given positive number: 

void main()

int n,c; 

clrscr(); 

printf("enter the number :");

scanf("%d",&n);

c=fact(n); 

printf("factorial of %d = %d",n,c);

getch();

}

fact(int n) 

{

int factorial; 

 if(n==1||n==0)

return(1);

else

factorial=n*fact(n-1);

return (factorial);

}

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