(height // sideLength) * (width // sideLength).answer = maxOnes * (height // sideLength) * (width // sideLength).cnt1 = min((height % sideLength) * (width % sideLength), maxOnes).cnt1 * ((height // sideLength) + (width // sideLength) + 1), and increment answer by this value.maxOnes - cnt1.answer by these values.answer.