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Algorithmic Paradigms

Brute Force Greedy Algorithms Divide and Conquer Dynamic Programming

Sorting and Searching

Selection Sort, Bubble Sort, and Insertion Sort

Overview of Sorting Algorithms

Searching Algorithms

Challenge 1: Find Two Numbers that Add up to "n"

Solution Review: Find Two Numbers that Add up to "n"

Challenge 2: Search in a Rotated List

Solution Review: Search in a Rotated List

Challenge 4: Arrange a Binary List

Solution Review: Arrange a Binary List

Challenge 5: Find the Maximum Product of Two Integers in a List

Solution Review: Find Maximum Product of Two Integers in a List

Challenge 6: Find Duplicates in a List with No Repetition

Solution Review: Find Duplicates in a List with No Repetition

Challenge 7: Search in a 2D List

Solution Review: Search in a 2D List

Challenge 8: Search Position

Solution Review: Search Position

Challenge 9: Dutch National Flag Problem

Solution Review: Dutch National Flag Problem

Quiz on Sorting & Searching

Graph Algorithms

Introduction to Graph Algorithms and Implementation Challenge 1: Implement Breadth-First Graph Traversal Solution Review: Breadth-First Graph Traversal Challenge 2: Implement Depth-First Graph Traversal Solution Review: Depth-First Graph Traversal Challenge 3: Calculate the Number of Nodes in a Graph Level Solution Review: Calculate the Number of Nodes in a Graph Level Challenge 4: Transpose a Graph Solution Review: Transpose a Graph Challenge 5: Find all Paths between Two Nodes Solution Review: Find all Paths between Two Nodes Challenge 6: Check if a Graph is Strongly Connected Solution Review: Check if a Graph is Strongly Connected Challenge 7: Find All Connected Components in a Graph Solution Review: Find All Connected Components of a Graph Challenge 8: Remove an Edge Solution Review: Remove an Edge Challenge 9: Detect a Cycle in a Graph Solution Review: Detect a Cycle in a Graph Quiz on Graph Algorithms

Greedy Algorithms

Greedy Approach: A Deep Dive Challenge 1: Counting Money!Solution Review: Counting Money Challenge 2: Connecting n Pipes with Minimum Cost Solution Review: Connecting n Pipes with Minimum Cost Challenge 3: Find the Egyptian Fraction's Denominators Solution Review: Find the Egyptian Fraction Challenge 4: Find the Minimum Platforms Required for a Station Solution Review: Find Minimum Platforms Required for a Station Challenge 5: Find the Largest Number Possible Solution Review: 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 1: The 0/1 Knapsack Problem Solution Review: The 0/1 Knapsack Problem Challenge 4: Longest Common Substring Solution Review: Longest Common Substring Challenge 5: Shortest Common Supersequence(SCS)Solution Review: Shortest Common Supersequence(SCS)Challenge 6: Longest Palindromic Subsequence Solution Review: Longest Palindromic Subsequence Challenge 7: The Coin Change Problem Solution Review: The Coin Change Problem Challenge 8: Egg Dropping Problem Solution Review: Egg Dropping Problem Challenge 9: Strings Interleaving Solution Review: Strings Interleaving Challenge 10: Edit Distance Problem Solution Review: The Edit Distance Problem Quiz on Dynamic Programming

Divide and Conquer

Introduction to Divide and Conquer With Binary Search Pascal's Triangle Challenge 1: Euclidean Algorithm Solution Review: Euclidean Algorithm Challenge 2: Find the Peak Element Solution Review: Find the Peak Element Challenge 4: Collect Coins in Minimum Steps Solution Review: Collect Coins in Minimum Steps Challenge 5: Find the Floor and Ceil of a Number in a Sorted List Solution Review: Find Floor and Ceil of a Number in a Sorted List Challenge 6: Missing Number in a Sorted List Solution Review: Missing Number in a Sorted List Challenge 7: Find the Closest Number Solution Review: Find the Closest Number Challenge 8: Shuffle Integers Solution Review: Shuffle Integers Challenge 9: Inversion Count in a List Solution Review: Inversion Count in a List Quiz on Divide and Conquer

Conclusion

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Challenge 9: Dutch National Flag Problem

Challenge 9: Dutch National Flag Problem

Let's solve the famous problem of Dutch National Flag.

Problem statement

Implement a function that sorts a list of $0s$ , $1s$ and $2s$ ...