Data structures and algorithms patterns

  • How do you find the pattern of a DSA problem?

    If the problem deals with the top/min/max/closest K elements among given n elements, use a heap to simplify it.
    When you need to try out all combinations( or permutations) of the input (given the constraints are low and suitable enough), use either the Recursive Backtracking algorithm or the Iterative BFS algorithm..

  • How many patterns are there in DSA?

    By mastering certain coding patterns, you can improve your efficiency and handle a wider array of problems during your DSA interviews.
    Here are 20 coding patterns to ensure your success. 1.
    Two Pointer Technique: This technique is commonly applied on sorted arrays or linked lists to find pairs or reverse elements.Jul 28, 2023.

  • Patterns to Know

    1. Two-pointer technique.
      2. The two-pointer technique is a common approach used to solve array and linked list problems.
    2. Sliding Window
    3. Depth-First Search (DFS)
    4. Breadth-First Search (BFS)
    5. Dynamic Programming (DP)
  • ☑️ Look for company-specific topics:
    You need to choose a list of DSA topics for DSA interview preparation.
    First, sort out the company-specific topics and solve questions for each of those sorted topics.
    Many companies have their own preferred topics that they ask questions from.
Jul 28, 20231. Two Pointer Technique: This technique is commonly applied on sorted arrays or linked lists to find pairs or reverse elements.2. Sliding 
Jul 28, 2023Whether you're a seasoned professional or an aspiring tech enthusiast, a good understanding of DSA (Data Structures and Algorithms) is 

What is the difference between a data structure and an algorithm?

Algorithms are about design in the small - often within a single function

Data structures aren't much bigger, generally needing a few algorithms to implement them, but not needing a design pattern

The building blocks that are glued together by a design pattern are objects, and their methods usually implement algorithms and data structures


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