Outline the problem solving and algorithm design process.

• A. Understand the problem, define requirements, brainstorm approaches, select a plan, implement, test, analyze complexity, and iterate as needed.
• B. Start coding immediately and refine later.
• C. Define requirements after implementing to confirm assumptions.
• D. Understand the problem and implement a ready-made solution without planning.

Answer: (A)

The problem solving and algorithm design process is a structured flow: first you understand the problem and what needs to be delivered, then you define the requirements and constraints, next you brainstorm multiple approaches, you evaluate and pick a plan, then you implement that plan, test it to verify correctness, analyze its efficiency (how it scales), and iterate based on results. This sequence is important because it prevents solving the wrong problem, ensures you know exactly what is expected, and lets you compare different algorithms before committing to code. It also helps you consider how the solution will perform, so you can choose approaches that meet both correctness and efficiency. Rushing to code without understanding the problem or skipping planning leads to solutions that don’t fit requirements, while trying to confirm requirements after implementation or using a ready-made approach without tailoring it to the actual problem misses the opportunity to design something appropriate and optimal.