CS50x 2026 - Lecture 4 - Memory

Description :

This lecture begins with an introduction at 00:00:00, followed by a discussion of pixel art at 00:00:43, hexadecimal at 00:04:37, memory at 00:11:44, pointers at 00:18:05, strings at 00:31:28, pointer arithmetic at 00:43:34, string comparison at 00:47:42, copying and malloc at 00:57:11, Valgrind at 01:13:17, garbage values at 01:23:11, pointer fun with Blinky at 01:25:25, swapping at 01:33:28, overflow at 01:48:14, scanf at 01:50:24, and file I/O at 02:02:20. The lecture is part of CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.