Treating a BVec as a Vector

// Sum the first n Vector elementsint sum(Vector& v, int n){ int r = 0; for (int i = 0; i < n; ++i) r += v[i]; return r;}

// Sum the first n Vector elements int sum(Vector& v, int n) { int r = 0; for (int i = 0; i < n; ++i) r += v[i]; return r; }