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All LessonsFree Lessons (13)

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 a Nested Loop with Addition

Solution: Big O of a Nested Loop with Addition

Challenge: Big O of a Nested Loop with Subtraction

Solution: Big O of a Nested Loop with Subtraction

Challenge: Big O of a Nested Loop with Multiplication

Solution: Big O of a 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)

Quiz on Complexity

Sorting and 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 Array Solution: Search in a Rotated Array Challenge: Group Anagrams Solution: Group Anagrams Challenge: Arrange a Binary Array Solution: Arrange a Binary Array Challenge: Find the Maximum Product of Two Integers in an Array Solution: Find the Maximum Product of Two Integers in an Array Challenge: Find Duplicates in an Array with No Repetition Solution: Find Duplicates in an Array with No Repetition Challenge: Search in a 2D Array Solution: Search in a 2D Array Challenge: Search Position Solution: Search Position Challenge: The Dutch National Flag Problem Solution: The Dutch National Flag Problem Quiz on Sorting and 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 in 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 Algorithms: 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: The Staircase Problem Solution: The 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: Interleaving Strings Solution: Interleaving Strings Challenge: The 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 Subarray of Size k Solution: Maximum Sum Subarray 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 Array Solution: Find the Floor and Ceil of a Number in a Sorted Array Challenge: Missing Number in a Sorted Array Solution: Missing Number in a Sorted Array Challenge: Find the Closest Number Solution: Find the Closest Number Challenge: Shuffle Integers Solution: Shuffle Integers Challenge: Inversion Count in an Array Solution: Inversion Count in an Array Quiz on Divide and Conquer

Conclusion

Wrapping Up Where to Go from Here

Practice Mock Interview

Algorithms for Coding Interviews in C#/

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Quiz on Complexity

Quiz on Complexity

Test your understanding of complexity analysis.

We'll cover the following...

1

Which best describes the useful criterion for comparing the efficiency of algorithms?

A)

Time

B)

Memory

C)

Both A and B

D)

None of the above

Question 1 of 100 attempted