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Algorithms 101

Session 1: Introduction

Algorithms 101 – Preview Video Sample Lesson

What is an Algorithm? Sample Lesson

Representing Algorithms: Flowcharts Sample Lesson

Flowcharts 2: Loops

Good and Bad Algorithms

Quantifying Good and Bad: Big O Notation

Writing Algorithms in C++

Algorithms 101 – Quiz 1

Brute Force: Introduction

Brute Force: Introduction

Brute Force Example 1

Brute Force Example 2

Brute Force Example 3

Where Brute Force doesn’t work

Algorithms 101 – Quiz 2

Session 3: Greedy algorithms

Greedy Algorithms: Introduction

Greedy Example 1

Greedy Example 2

Greedy Example 3

Where Greedy doesn’t work

Algorithms 101 – Quiz 3

Session 4: Two pointers

Two Pointers: Introduction

Two Pointers Example 1 (continued)

Two Pointers Example 2

Two Pointers Example 3

Where Two Pointers doesn’t work

Algorithms 101 – Quiz 4

Session 5: Binary search

Binary Search: Introduction

Binary Search Example

Binary Search Example (continued)

Binary Search Example 2

Algorithms 101 – Quiz 5

Previous Lesson

What is an Algorithm?

Algorithms 101
What is an Algorithm?

In this video, we will give an introduction to algorithms in general, why they’re useful, along with an example of a simple algorithm.

Previous Lesson