Constant time.2. Logarithmic time.3. Polylogarithmic time.4. Sub-linear time.5. Linear time.6. Quasilinear time.7. Sub-quadratic time.8. Polynomial time.9. Superpolynomial time.10. Quasi-polynomial time.11. Sub-exponential time.12. Exponential time.13. Factorial time.14. Double exponential time.