Basic Programming Problems

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Interviewers sometimes ask simpler programming questions to make sure you have basic coding skills and competency. Below are links to challenges from Programming Practice that you should be able to find optimal solutions for. (Some of the links below are to a final challenge within a series of challenges, but you can go through the challenges in order to practice a "multi-step style" interview question.)

General challenges


Mathish challenges:

Array Questions:

Here are 3 basic challenges that involve looping through an array and tracking variables:

String questions:


  • Java Sandwich - Code carefully to get this right for every case
  • Anagrams - (See also part 2) - This challenge can be solved in linear time if you know what counts


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