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Udemy

Data structure and algorithms for interviews

via Udemy

Overview

Ace your Tech Interviews

What you'll learn:
  • Understand patterns behind common coding interview question
  • Time and Space Complexity of Data Structures and Algorithms
  • Solutions to problem discussed
  • Code for solutions in Python

Covers around 20+ most popular coding interview problems ranging from a variety of topics ( will have 200+ problems as 4 problems are being added every week)

  • Merge Intervals

    • Idea of Merge Intervals

    • Merge Intervals

    • Intervals Intersection (coming soon)

    • Conflicting Appointments (coming soon)

  • Two Pointers

    • Idea of Two pointers and types of two pointers solutions

    • Two Sum

    • Remove Duplicates from Sorted Array

    • 3 Sum

    • Pair with Target Sum (coming soon)

    • Squaring a Sorted Array (coming soon)

    • Triplet Sum to Zero (coming soon)

    • Triplet Sum Close to Target (coming soon)

    • Triplets with Smaller Sum (coming soon)

    • Subarrays with Product Less than a Target (coming soon)

    • Dutch National Flag Problem (coming soon)


  • Fast & Slow Pointers

    • Linked List Cycle using Floyd's Cycle Detection Algorithm

    • Happy Numbers

    • Ugly number (coming soon)

    • Middle of the LinkedList (coming soon)

    • LinkedList Cycle (coming soon)

    • Start of LinkedList Cycle (coming soon)


  • Bitwise Manipulation

    • Single Numbers

    • Flipping an Image

    • Single Number II ( coming soon)

    • Single Number III ( coming soon)


  • Greedy Technique

    • What are Greedy Algorithms ?

    • Bulbs

    • Highest Product

    • Disjoint Sets

    • Largest Permutation ( coming soon)

    • Meeting rooms ( coming soon)

    • Distribute Candy ( coming soon)

    • Seats ( coming soon)

    • Assign Mice to Holes ( coming soon)

    • Majority Element ( coming soon)

    • Gas Station ( coming soon)

  • Island Patterns

    • Intro to Matrix

    • Number of Islands Explanation

    • Number of Islands Code

    • Number of distinct Islands Explanation

    • Number of distinct island coding

    • Count sub islands

    • Max Area of an island (coming soon)

    • Island Perimeter (coming soon)

    • Flood fill (coming soon)

    • Wall and Fates (coming soon)

    • Minesweeper (coming soon)

    • Surrounded Regions (coming soon)

    • Find all groups of a farm land (coming soon)

  • Topological Sort

    • Introduction to Graph Problems

    • Topological Sort

    • Kahn's Algorithm

    • Implementing Topological Sort

    • Course Schedule

    • Alien Dictionary

    • Minimum Height Trees (coming soon)

    • All Ancestors of a Node in a Directed Acyclic Graph (coming soon)

    • Build a Matrix With Conditions (coming soon)

    • Find All Possible Recipes from Given Supplies (coming soon)

  • Depth First Search

    • Path Sum

Upcoming Additions (3-4 problems are added every week)

  • Sliding Window

    • Easy

      • Maximum Sum Subarray of Size K

      • Smallest Subarray With a Greater Sum

    • Medium

      • Longest Substring with maximum K Distinct Characters

      • Fruits into Baskets

    • Hard

      • Longest Substring with Distinct Characters

      • Longest Substring with Same Letters after Replacement

      • Longest Subarray with Ones after Replacement

  • Arrays

    • Medium

      • Group Anagrams

    • Hard

      • Trapping Rain Water

  • Merge Intervals

    • Medium

      • Intervals Intersection

      • Conflicting Appointments

  • Linked List

    • Easy

      • Reverse a Linked List

    • Medium

      • Reverse a sub list

      • Reverse a k-element sub list

  • Two Heaps

    • Medium

      • Find the median of a number stream

    • Hard

      • Maximum Capital

      • Sliding Window Median

  • Top k elements

    • Easy

      • Top 'K' Numbers

      • Kth Smallest Number

      • 'K' Closest Points to the Origin

      • Connect Ropes

    • Medium

      • Top 'K' Frequent Numbers

      • Frequency Sort

      • Kth Largest Number in a Stream

      • 'K' Closest Numbers

      • Maximum Distinct Elements

      • Sum of Elements

    • Hard

      • Rearrange String

  • K-way merge

  • Binary Search

  • Backtracking

  • 1D Dynamic programing

  • 2D Dynamic programing

  • Cyclic Sort

  • Topological Sort

  • Stacks

  • Queues

  • Depth First Search

  • Breadth First Search

  • Trie

  • Hash Maps

  • Math Tricks

  • Miscellaneous

Taught by

Avinash A

Reviews

4.3 rating at Udemy based on 23 ratings

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