# What You Can Build with Data Structures

See why the same million songs can take 999,999 looks to search or only 19, which everyday app features depend on how data is organized, and what you'll build in this course.

![Cheat sheet: What You Can Build with Data Structures](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/5ab35523dec14cad9190d6705276487e.webp)

- Category: Data Structures
- Level: Novice
- Tags: Algorithm, Big-O Notation, Data Structure, data structures, software-development
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/ds-what-you-can-build-cheat-sheet