CS50 2021 in HDR - Lecture 1 - C

This is CS50, Harvard University's Introduction to the intellectual enterprises of computer science and the art of programming. Enroll for free at https://cs50.edx.org/. Slides, source code, and more at https://cs50.harvard.edu/x. Playlist at https://www.youtube.com/playlist?list=PLhQjrBD2T383f9scHRNYJkior2VvYjpSL. TABLE OF CONTENTS 00:00:00 - Intro 00:01:17 - From Scratch to C 00:04:24 - Correctness, Design, and Style 00:06:42 - Syntax 00:07:30 - Integrated Development Environment (IDE) 00:10:43 - Compiling 00:12:43 - Visual Studio Code 00:13:49 - Terminal 00:15:32 - Making and Running 00:19:29 - Recompiling 00:22:44 - Functions and Arguments 00:25:34 - Return Values and Variables 00:31:18 - printf 00:32:31 - Reading Errors 00:33:47 - What's your name? 00:38:45 - Placeholders and Format Codes 00:47:28 - Main 00:48:35 - Header Files and Libraries 00:51:01 - Linux Commands 00:58:07 - Types 00:59:57 - Format Codes 01:00:38 - Operators 01:01:05 - Variables and Syntactic Sugar 01:04:33 - calculator.c 01:10:10 - Comments 01:12:53 - Integer Overflow 01:16:21 - Conditions 01:20:30 - points.c 01:26:22 - parity.c 01:30:34 - agree.c 01:33:13 - Or 01:36:38 - Loops 01:46:20 - meow.c 01:55:19 - discount.c 02:02:43 - mario.c 02:04:53 - Validating User Input 02:12:00 - break 02:12:41 - Floating Point Imprecision 02:16:42 - Integer Overflow 02:24:23 - pennies.c 02:26:46 - Consequences of Overflow and Imprecision *** This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. *** HOW TO SUBSCRIBE http://www.youtube.com/subscription_center?add_user=cs50tv HOW TO TAKE CS50 edX: https://cs50.edx.org/ Harvard Extension School: https://cs50.harvard.edu/extension Harvard Summer School: https://cs50.harvard.edu/summer OpenCourseWare: https://cs50.harvard.edu/x HOW TO JOIN CS50 COMMUNITIES Discord: https://discord.gg/cs50 Ed: https://cs50.harvard.edu/x/ed Facebook Group: https://www.facebook.com/groups/cs50/ Faceboook Page: https://www.facebook.com/cs50/ GitHub: https://github.com/cs50 Gitter: https://gitter.im/cs50/x Instagram: https://instagram.com/cs50 LinkedIn Group: https://www.linkedin.com/groups/7437240/ LinkedIn Page: https://www.linkedin.com/school/cs50/ Medium: https://cs50.medium.com/ Quora: https://www.quora.com/topic/CS50 Reddit: https://www.reddit.com/r/cs50/ Slack: https://cs50.edx.org/slack Snapchat: https://www.snapchat.com/add/cs50 SoundCloud: https://soundcloud.com/cs50 Stack Exchange: https://cs50.stackexchange.com/ TikTok: https://www.tiktok.com/@cs50 Twitter: https://twitter.com/cs50 YouTube: http://www.youtube.com/cs50 HOW TO FOLLOW DAVID J. MALAN Facebook: https://www.facebook.com/dmalan GitHub: https://github.com/dmalan Instagram: https://www.instagram.com/davidjmalan/ LinkedIn: https://www.linkedin.com/in/malan/ Quora: https://www.quora.com/profile/David-J-Malan TikTok: https://www.tiktok.com/@davidjmalan Twitter: https://twitter.com/davidjmalan *** CS50 SHOP https://cs50.harvardshop.com/ *** LICENSE CC BY-NC-SA 4.0 Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License https://creativecommons.org/licenses/by-nc-sa/4.0/ David J. Malan https://cs.harvard.edu/malan [email protected]