facto

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int x,l,i,fac=1,j,h,m,sum;
    printf("enter first number \n");
    scanf("%d",&x);
    printf("sequence length\n");
    scanf("%d",&l);
    int ar[l];
    for(i=0;i<x;i++){
        fac = (i+1)*fac;
    }
    ar[0] = fac;
    for(m=0;m<l-1;m++){
        fac = ar[m];
        while (fac=!0){
            fac = fac/10;
            j = j+1;
    }
        int ar2[j];
        for(h=0;h<j;h++){
            ar2[h]= fac%10;
            fac = fac/10;
        }
        for(h=0;h>j;h++){
            for(i=0;i<ar2[h];i++){
                fac = (i+1)*fac;
            }
            sum = sum + fac;
        }
        ar[m+1]=sum;
    }
    return 0;
    for (i=0;i<l;i++){
        printf("%d",ar[i]);
    }
    return 0;
}