c program to manipulate x=1!+2!+3!+...+n! using recursion
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Answer / satya
#include<stdio.h>
#include<conio.h>
int sumfact(int n)
{ int cnt=0,out;
if(cnt==0)
out=1;
if(n==1)
return out;
else
{
int i,fact=1;
for(i=n;i>=2;i--)
fact*=i;
out+=fact;
cnt++;
return out+sumfact(n-1);
}
}
main()
{
int out,n;
clrscr();
printf("Enter the vlue of n ");
scanf("%d",&n);
out=sumfact(n);
printf("%d",out);
getch();
}
| Is This Answer Correct ? | 6 Yes | 6 No |
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