Answer to Question 17B-1

// sumsq(n) returns 1^2 + 2^2 + ... + n^2, where
// ^ indicates exponentiation.

int sumsq(int n)
{
  if(n == 0)
  {
    return 0;
  }
  else
  {
    return sumsq(n-1) + n*n;
  }
}