Queues are one form of abstract data structure. Queues have specific properties. Namely, they are FIFO or “first in first out.” You can imagine yourself in a line for a ride at an amusement …

Tries.***This is CS50, Harvard University's introduction to th...

PseudoPseudoCode for what we just saw Lecture 5 Python notebook for actual code.

Lecture 5 takeaway: System calls are functions provided by the operating system to do tasks we cannot do ourselves. open, close, read and write are 4 system calls that work via file …

Lecture 5 of CS50x 2025 focuses on data structures, including queues and stacks, which are fundamental concepts in organizing data in memory. It discusses the differences between …

CS50x 2025 - Lecture 5 - Data Structures CS50 Video Player Screen Shortcuts Snacks Chapters CS50.ai Shortcuts

In this lecture we study one of the state-of-the-art algorithms for the expert problem, called Squint [Koolen and Van Erven, 2015], which enjoys many nice properties simultaneously.