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White-boarding

How to Solve Coding Problem with White boarding

Your ability to produce a rapid, effective solution for complicated problems in real-world tasks depends on how much you practice coding problems. Recognize that frameworks and language are merely tools; they cannot teach you how to solve problems. When you practice a lot of code questions, you acquire problem-solving abilities.

Every developer has their own methods for solving code issues, but when it comes to novice developers, they are never sure where to begin. Many of them can follow along with someone else’s code and comprehend the problems, logic, and fundamentals of syntax; nevertheless, when it comes to working out the difficulties on their own, they struggle. Despite knowing the grammar and reasoning, they cannot translate their ideas into computer code. This article is the product of extensive research on the most efficient methods for programmers to solve code issues.

Whether you’ve encountered the question before or not, read it multiple times to make sure you fully get it. Now, give the question some serious thought and consideration. Sometimes we scan a few lines and infer the rest of the information, but be careful because even a small modification in your question can drastically alter your code. Now take a piece of paper and jot everything down. What is required of you (output) and what is provided as input? You must ask yourself a few questions as you work through the issue.

Step 1: First Understand and Analyze the Problem

Did you fully comprehend the issue? Are you able to answer this query for someone else? What inputs—if any—are needed, and how many? What would those inputs’ output be? Do you need to break the problem into different modules or parts? Do you have the knowledge necessary to answer that query?

Step 2: Go Through The Sample Data And Examples Thoroughly

Take a look at some example inputs and try to analyze the output as you try to understand the issue. You will better comprehend the issue if you use the sample inputs. You will also understand how many possible scenarios your code can handle as well as the whole range of possible outputs. Analyze the result using some basic inputs or data. Consider a more complicated and substantial input, then determine the output and the necessary number of cases to solve the issue.

Think about the extreme cases as well. Consider the output that would result from either no input or incorrect input.

Step 3: Break Down The Problem

Whenever you encounter a challenging or large coding question, break it down into manageable components before attempting to tackle each one. This will help you overcome your fears and confusion. The actions you should take to resolve the challenging coding puzzle are listed below.

Step 4: Make a flow chart for the problem at hand.

flowchart rotated jpg
make a flowchart with draw.io

The purpose is to separate the issue into smaller issues or parts. Address the smaller issues. Create separate functions for every subproblem. Call the solutions to each subproblem in the correct order or as necessary to connect them. Use classes and objects whenever necessary for handling questions (for real-world problems like management systems, etc.)

Step 5: Write Pseudocode, make a flowchart

It’s best to write pseudocode for your problem before diving into the answer. you can use draw.io for making your flowchat. Pseudocode, in essence, specifies the structure of your code and aids in the writing of each line of code required to resolve an issue. Understanding what your code is supposed to perform by reading pseudocode is quite helpful. The process of producing the final code gets simpler for you when you write pseudocode, a phase that many people or expert programmers neglect. You will ultimately only need to convert each line of pseudocode into actual code. In your pseudocode, note each step and line of reasoning.

Step 6: Replace Pseudocode With Real Code

It’s time to convert the pseudocode you just wrote into actual code. Each line of your pseudocode should be replaced with actual code written in the language you are learning. If your difficulty has been broken down into smaller problems, note the code for each smaller problem. Three things should be kept in mind when writing the code.

  1. The point where you started *
  2. Where are you right now? *
  3. What is your destination (end result)?

Step 7: Simplify and Optimize your Code

Always strive to make your code better. Consider the past, reevaluate the situation, and look for a superior or different answer. You should always aim to produce the proper quantity of good code, as we previously discussed, so always look for a different solution that is more effective than the original. The final step you should take is not to just write the right answer to your problem. Write out the most effective or optimized solution for your code after thoroughly exploring all potential answers to the problem. Following are some questions you should ask yourself once you have finished developing the solution to your code.

  • Does this code run for all input scenarios, including the most unlikely ones?
  • Is there a different approach to the same issue?
  • Is the coding productive? Can the performance be enhanced or made more effective?
  • How else could the code be made to be more readable?
  • Are there any additional stages or tasks you can eliminate?
  • Is your code repetitive in any way? Get rid of it.
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