Answer Posted / ashish

#include<stdio.h>
int n_fact(int n);
void main()
{
int n,res;
printf("ENTER A NUMBER:-");
scanf("%d",&n);
res=n_fact(n);
printf("%d",res);
}
int n_fact(n)
{
int result;
if(n=0)
result=1;
else
result=n*n_fact(n-1);
return(result);
}

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