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All Lessons
Free Lessons (15)
Introduction
Who This Course Is For
Learning Outcomes
Algorithmic Paradigms
Brute Force
Greedy Algorithms
Divide and Conquer
Dynamic Programming
Introduction to Complexity Measures
Comparing Algorithms
Example: Measuring Time Complexity of a Single Loop Algorithm
Example: Time Complexity of an Algorithm With Nested Loops
Introduction to Asymptotic Analysis and Big O
Other Common Asymptotic Notations and Why Big O Trumps Them
Useful Formulae
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, & Insertion Sort
Merge Sort
Quicksort
Overview of Sorting Algorithms
Searching Algorithms
Challenge: Find Two Numbers that Add up to "s"
Solution: Find Two Numbers that Add up to "s"
Challenge: Search in a Rotated Array
Solution: Search in a Rotated Array
Challenge: Group Anagrams
Solution: Group Anagrams
Challenge: Find the Median of Two Sorted Arrays
Solution: Find the Median of Two Sorted Arrays
Challenge: Find Duplicates in Array
Solution: Find Duplicates in Array
Challenge: Search in Sorted Matrix
Solution: Search in Sorted Matrix
Challenge: Count Element Occurrence
Solution: Count Element Occurrence
Challenge: Search Insert Position
Solution: Search Insert Position
Challenge: Sparse Search
Solution: Sparse Search
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 Given Graph Level
Solution: Calculate the Number of Nodes in a Given Graph Level
Challenge: Print the Transpose of a Graph
Solution: Print the Transpose of a Graph
Challenge: Print all Paths Between Two Nodes
Solution: Print all Paths Between Two Nodes
Challenge: Check If Graph is Strongly Connected
Solution: Check if a Graph is Strongly Connected
Challenge: Print all Connected Components in a Graph
Solution: Print all Connected Components of a Graph
Challenge: Check if Removing Edge Creates Components in Graph
Solution: Check if Removing Given Edge Creates Components in Graph
Challenge: Check If Given Graph is Bipartite
Solution: Check If Given Graph is Bipartite
Challenge: Topological Sorting of a Graph
Solution: Topological Sorting of a Graph
Quiz on Graph Algorithms
Greedy Algorithms
Activity Scheduling Problem
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
Solution: Find the Egyptian Fraction
Challenge: Find Minimum Number of Platforms Required for a Train Station
Solution: Find Minimum Number of Platforms Required for a Train Station
Challenge: Help the Policemen Catch the Thieves
Solution: Help the Policemen Catch the Thieves
Challenge: Fractional Knapsack Problem
Solution: Fractional Knapsack Problem
Challenge: Largest Number with Given Number of Digits and Sum of Digits
Solution: Largest Number with Given Number of Digits and Sum of Digits
Challenge: Graph Coloring
Solution: Graph Coloring
Challenge: Find the Minimum Spanning Tree of the Given Graph
Solution: Find the Minimum Spanning Tree - Kruskal’s Solution
Solution: Find the Minimum Spanning Tree - Prim's Solution
Challenge: Find Shortest Distance of Each Node from the Source
Solution: Shortest Distance of Each Node from the Source
Quiz on Greedy Algorithms
Dynamic Programming
Calculating Fibonnacci 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
Solution: Shortest Common Supersequence
Challenge: Longest Palindromic Subsequence
Solution: Longest Palindromic Subsequence
Challenge: The Coin Change Problem
Solution: 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: Peak Element
Solution: Peak Element
Challenge: Maximum Subarray Sum
Solution: Maximum Subarray Sum
Challenge: Merge a Number of Sorted Arrays
Solution: Merge a Number of Sorted Arrays
Challenge: Collect Coins in Minimum Steps
Solution: Collect Coins in Minimum Steps
Challenge: Find The Closest Number
Solution: Find Closest Number
Challenge: Closest Pair of Points
Solution: Closest Pair of Points
Challenge: Missing Number in Sorted Array
Solution: Missing Number in Sorted Array
Challenge: Binary Search on Singly Linked List
Solution: Binary Search on Singly Linked List
Challenge: Shuffle Integers
Solution: Shuffle Integers
Quiz on Divide and Conquer
Appendix: Auxiliary Source Code
STL Classes
Linked List
Array Functions
Graph
Conclusion
Overview
Where to Go from Here
Practice Mock Interview
Algorithms for Coding Interviews in C++
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Quiz on Graph Algorithms
Quiz on Graph Algorithms
Let's test your understanding of Graph Algorithms
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