Answer Posted / asit kumar swain

#include<stdio.h>
#include<conio.h>
int fact(int);
void main()
{
int num,fact1;
clrscr();
printf("Enter a value of num");
scanf("%d",&num);
fact1=fact(num);
printf("factorial=%d",fact1);
}
int fact(int n)
{
if(n==0)
{
return 1;
}
else
{
return n*fact(n-1);
}
}

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