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Algorithms for Coding Interviews in Python

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Introduction

Who This Course Is For Learning Outcomes

Algorithmic Paradigms

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

Quiz on Dynamic Programming

Here's a quiz to test your dynamic programming skills

Dynamic programming quiz

1

Which two properties must all dynamic programming problems have?

A)

Optimal substructure and divisibility

B)

Associative and identity

C)

Structure and stability

D)

Overlapping subproblems and optimal substructure

Question 1 of 60 attempted

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