What is the output of the following code? #include int cat_number(int n) int i,j,arr[n],k; arr[0] = 1; for(i = 1; i < n; i++) arr[i] = 0; for(j = 0,k = i - 1; j < i; j++,k--) arr[i] += arr[j] * arr[k]; return arr[n-1]; int main() int ans, n = 8; ans = cat_number(n); printf("%d ",ans); return 0;

Answer: Option C