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Algorithms for Coding Interviews in Python

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Introduction

Who This Course Is For

Learning Outcomes

Algorithmic Paradigms

Brute Force Greedy Algorithms Divide and Conquer Dynamic Programming

Asymptotic Analysis

Comparing Algorithms Example: Measuring Time Complexity - Single loop Example: Measuring Time Complexity - Nested Loop Introduction to Asymptotic Analysis and Big O Other Common Asymptotic Notations and Why Big O Trumps Them Useful Formulas Common Complexity Scenarios Challenge: Big O of Nested Loop With Addition Solution: Big O of Nested Loop With Addition Challenge: Big O of Nested Loop With Subtraction Solution: Big O of Nested Loop With Subtraction Challenge: Big O of Nested Loop With Multiplication Solution: Big O of Nested Loop With Multiplication Challenge: Nested Loop With Multiplication (Basic)Solution: Nested Loop With Multiplication (Basic)Challenge: Nested Loop With Multiplication (Intermediate)Solution: Nested Loop With Multiplication (Intermediate)Challenge: Nested Loop With Multiplication (Advanced)Solution: Nested Loop With Multiplication (Advanced)Challenge: Nested Loop With Multiplication (Pro)Solution: Nested Loop With Multiplication (Pro)Complexity Quiz: Test Your Understanding of Complexity

Sorting & Searching

Selection Sort, Bubble Sort, and Insertion Sort Merge Sort Quick Sort Overview of Sorting Algorithms Searching Algorithms Challenge: Find Two Numbers That Add Up to "n"Solution: Find Two Numbers That Add Up to "n"Challenge: Search in a Rotated List Solution: Search in a Rotated List Challenge: Group Anagrams Solution: Group Anagrams Challenge: Arrange a Binary List Solution: Arrange a Binary List Challenge: Find the Maximum Product of Two Integers in a List Solution: Find the Maximum Product of Two Integers in a List Challenge: Find Duplicates in a List With No Repetition Solution: Find Duplicates in a List With No Repetition Challenge: Search in a 2D List Solution: Search in a 2D List Challenge: Search Position Solution: Search Position Challenge: Dutch National Flag Problem Solution: Dutch National Flag Problem Quiz on Sorting & Searching

Graph Algorithms

Introduction to Graph Algorithms and Implementation Challenge: Implement Breadth-First Graph Traversal Solution: Breadth-First Graph Traversal Challenge: Implement Depth-First Graph Traversal Solution: Depth-First Graph Traversal Challenge: Calculate the Number of Nodes in a Graph Level Solution: Calculate the Number of Nodes in a Graph Level Challenge: Transpose a Graph Solution: Transpose a Graph Challenge: Find All Paths Between Two Nodes Solution: Find All Paths Between Two Nodes Challenge: Check If a Graph is Strongly Connected Solution: Check If a Graph is Strongly Connected Challenge: Find All Connected Components in a Graph Solution: Find All Connected Components of a Graph Challenge: Remove an Edge Solution: Remove an Edge Challenge: Detect a Cycle in a Graph Solution: Detect a Cycle in a Graph Quiz on Graph Algorithms

Greedy Algorithms

Greedy Approach: A Deep Dive Challenge: Counting Money Solution: Counting Money Challenge: Connecting n Pipes With Minimum Cost Solution: Connecting n Pipes With Minimum Cost Challenge: Find the Egyptian Fraction's Denominators Solution: Find the Egyptian Fraction Challenge: Find the Minimum Platforms Required For a Station Solution: Find the Minimum Platforms Required For a Station Challenge: Find the Largest Number Possible Solution: Find the Largest Number Possible Quiz on Greedy Algorithms

Dynamic Programming

Calculating Fibonacci Numbers Introducing Dynamic Programming with Fibonacci Numbers Memoizing Fibonacci Numbers Tabulating Fibonacci Numbers Challenge: The 0/1 Knapsack Problem Solution: The 0/1 Knapsack Problem Challenge: Staircase Problem Solution: Staircase Problem Challenge: The Partition Problem Solution: The Partition Problem Challenge: Longest Common Substring Solution: Longest Common Substring Challenge: Shortest Common Supersequence(SCS)Solution: Shortest Common Supersequence(SCS)Challenge: Longest Palindromic Subsequence Solution: Longest Palindromic Subsequence Challenge: The Coin Change Problem Solution: The Coin Change Problem Challenge: Egg Dropping Problem Solution: Egg Dropping Problem Challenge: Strings Interleaving Solution: Strings Interleaving Challenge: Edit Distance Problem Solution: The Edit Distance Problem Quiz on Dynamic Programming

Divide and Conquer

Introduction to Divide and Conquer With Binary Search Pascal's Triangle Challenge: Euclidean Algorithm Solution: Euclidean Algorithm Challenge: Find the Peak Element Solution: Find the Peak Element Challenge: Maximum Sum Sublist of Size K Solution: Maximum Sum Sublist of Size K Challenge: Collect Coins in Minimum Steps Solution: Collect Coins in Minimum Steps Challenge: Find the Floor and Ceil of a Number in a Sorted List Solution: Find the Floor and Ceil of a Number in a Sorted List Challenge: Missing Number in a Sorted List Solution: Missing Number in a Sorted List Challenge: Find the Closest Number Solution: Find the Closest Number Challenge: Shuffle Integers Solution: Shuffle Integers Challenge: Inversion Count in a List Solution: Inversion Count in a List Quiz on Divide and Conquer

Conclusion

Wrapping Up Where to Go From Here

Learning Outcomes

A brief summary of what you would learn in this course

In this course, you will learn about:

Major algorithmic paradigms
Measuring time complexities of algorithms
Searching and sorting in different data structures
Graphs, graph traversals, and other important graph algorithms
Greedy algorithms
The dynamic programming technique to efficiently solve problems
The divide and conquer method, i.e. solving multiple subparts of a problem to solve the bigger problem

Let’s dive right into it!