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A good problem description makes it easier to perform this step.When determining the starting point, we should start by seeking answers to the following questions: When determining the ending point, we need to describe the characteristics of a solution. Asking the following questions often helps to determine the ending point.The purpose of this step is to determine both the starting and ending points for solving the problem.
The developer must create an algorithm that will solve the client's problem.
The client is responsible for creating a description of the problem, but this is often the weakest part of the process.
High-level algorithm: This algorithm is satisfactory for daily use, but it lacks details that would have to be added were a computer to carry out the solution.
These details include answers to questions such as the following.
We can use an everyday example to demonstrate a high-level algorithm.
Problem: I need a send a birthday card to my brother, Mark. I prefer to buy a card rather than make one myself.The development of an algorithm (a plan) is a key step in solving a problem.Once we have an algorithm, we can translate it into a computer program in some programming language.In a similar way, a computer does not solve problems, it's just a tool that I can use to implement my plan for solving the problem.Knowing that Aunt Kay appreciates creative and unusual things, I have decided to hire a singing messenger to deliver my thanks.A computer program is similar to my instructions to the messenger.The story of Aunt Kay uses a familiar context to set the stage for a useful point of view concerning computers and computer programs.A mathematical formula such as is a special case of an algorithm.The form is not particularly important as long as it provides a good way to describe and check the logic of the plan.The following list summarizes the key aspects of this point of view.This point of view sets the stage for a process that we will use to develop solutions to Jeroo problems.