Coding/[EdX] CS 50 6

[Week 4] Memory

๊ณผ์ œ: Volume ๋ฌธ์ œ ๋ฐ”๋กœ๊ฐ€๊ธฐ Lab 4: Volume - CS50x 2021 Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. cs50.harvard.edu #include #include #include #include #include // Number of bytes in .wav header const int HEADER_SIZE = 44; int main(int argc, char *argv[]) { // Check command-line arguments if (argc != 4) { printf("Usage: ./volume input...

Coding/[EdX] CS 50 2021.12.06

[Week 2] Array

- make ๋Œ€์‹  ์“ธ ์ˆ˜ ์žˆ๋Š” ๊ฒƒ - clang : ์ปดํŒŒ์ผ๋Ÿฌ ํด๋žญ์€ ์กฐ๊ธˆ ๋” ๋งŽ์€ ๊ฒƒ์„ ์š”๊ตฌํ•œ๋‹ค. clang์„ ์‚ฌ์šฉํ•ด๋ณด์ž. clang hello.c ์—”ํ„ฐ๋ฅผ ์น˜๋ฉด ์•”๊ฑฐ๋„ ์•ˆ์ผ์–ด๋‚˜๋Š” ๊ฒƒ์ฒ˜๋Ÿผ ๋ณด์ด๋ฉด ์ปดํŒŒ์ผ ์ž˜ ๋œ๊ฒƒ. ls ํ•˜๋ฉด ์ด์ƒํ•œ a.out์„ ๋ณด๊ฒŒ๋  ๊ฒƒ ์ด์ƒํ•œ๋ฐ? a.out ์ง€์šด๋‹ค. clang -o hello hello.c ์ปค๋งจ๋“œ๋ผ์ธ ์•„๊ทœ๋จผํŠธ ==> ๊ฒฐ๋ก  : ์ปดํŒŒ์ผํ•˜๋ฉด clang ์–ด์ฉŒ๊ตฌ ํ•˜๋ฉด์„œ ๋‹ค clang์„ ์‚ฌ์šฉํ•ด์„œ ์ปดํŒŒ์ผํ•ด์ค€๋‹ค. ๋„ˆ๋Š” clang ์‚ฌ์šฉํ•ด์„œ ์Šค์Šค๋กœ ์ปดํŒŒ์ผํ•  ์ˆ˜๋„ ์žˆ์–ด. ์ปดํŒŒ์ผ์˜ ๋‹จ๊ณ„: (Lower-level detail) 1) ํ”„๋กœ์„ธ์‹ฑ(Source code) - ํ”„๋ฆฌํ”„๋กœ์„ธ์‹ฑ ์Šคํ…: ์™œ ํ•˜๋Š”๊ฑฐ์ง€? #์ด ๋“ค์–ด๊ฐ„ ๋ฌธ์žฅ ์™œ ์จ์•ผํ•˜๋‹ˆ? ==> defining function / ์ปดํŒŒ์ผ๋Ÿฌ ํŠธ๋ ˆ์ด๋‹ ์‹œ..

Coding/[EdX] CS 50 2021.12.05

[Week1] C

๊ต์ˆ˜๋‹˜ ๋‹ค์‹œ ๋“ค์–ด๋„ ๋”•์…˜ ์ •๋ง ๋„ˆ๋ฌด ์ •ํ™•ํ•˜์‹œ๋‹ค ์œ ํŠœ๋ธŒ ์ž๋ง‰ ์ž๋™ ์ผœ๊ธฐํ•˜๋ฉด ์ปดํ“จํ„ฐ๊ฐ€ ์•„์ฃผ ์ž˜ ๋ฐ›์•„์“ธ ๊ฒƒ ๊ฐ™์€ ๊ทธ๋Ÿฐ ๋ฐœ์Œ ํ•„๊ธฐ: ์—์„ธ์ด๋ฅผ ์“ด๋‹ค๊ณ  ๊ฐ€์ •. ์•„์ฃผ ๊ธธ๊ณ , ๋ฐ˜๋ณต์ ์ธ ์—์„ธ์ด๋ฅผ ์“ด๋‹ค๊ณ  ํ•ด๋ณด์ž. -> ๋‚ด์šฉ์ด ์ข‹๋‹ค๊ณ  ํ•ด๋„ ์žฅํ™ฉํ•˜๋ฉด ์ข‹์€ ์ ์ˆ˜ X์ฒ˜๋Ÿผ ์ปดํ“จํ„ฐ๋„ ์›ฐ๋””์ž์ธ ์ฝ”๋“œ๊ฐ€ ํ•„์š”ํ•˜๋‹ค. 3 access to write good code: ์—์„ธ์ด์—์„œ ์ข‹์€ puctuation, indenting ๋“ฑ๊ณผ ๊ฐ™๋‹ค. ์ฝ”๋“œ์Šคํƒ€์ผ์ด ์ž˜ ์ฝํžˆ๋„๋ก ํ•˜๋Š” ๊ฒƒ ์ค‘์š”ํ•˜๋‹ค. ์ง€๋‚œ ์ฃผ ์šฐ๋ฆฌ๋Š” ์Šคํฌ๋ž˜์น˜ํ•ด์„œ ์ผ๋Š”๋ฐ, ์ด์ œ๋Š” ํ‚ค๋ณด๋“œ ์“ธ๊ฒƒ. CS50 IDE(Intergrated Developmnet Environment) ์“ธ ๊ฒƒ. ํด๋ผ์šฐ๋“œ ํˆด์—์„œ ์”€. ide.cs50.io ๋ฐฉ๋ฌธํ•˜์„ธ์š”! ์Šคํฌ๋ฆฐ ์œ„์—๋Š” ๋ธ”๋ž™์ด๊ณ , ๊ฑฐ๊ธฐ๋Š” ์ฝ”๋“œ ์“ธ ๊ฒƒ. ์•„๋ž˜๋ถ€๋ถ„์€ t..

Coding/[EdX] CS 50 2021.11.29

[Week 0] Scratch

๊ต์ˆ˜๋‹˜ ๋”•์…˜ ์ตœ๊ณ ! ํ•˜๋ฒ„๋“œ ์ปด๊ณต๊ณผ ์ถœ์‹ ์˜ ํ•˜๋ฒ„๋“œ ์ปด๊ณต๊ณผ ๊ต์ˆ˜๋‹˜์ด ์ง„ํ–‰ํ•˜๋Š” ์ปด๊ณต ๊ธฐ์ดˆ ๊ฐ•์˜ ์•ฝ๊ฐ„ ๋‘๊ทผ๊ฑฐ๋ฆฌ๋Š” ๋งˆ์Œ์œผ๋กœ ๋“ฃ๊ธฐ ์‹œ์ž‘ํ–ˆ๋‹ค. ๊ทธ๋Ÿฐ๋ฐ ๋ฌด๋ ค, ํ•œ ๊ฐ•์˜๊ฐ€ ๋‘ ์‹œ๊ฐ„์”ฉ ๋„˜์–ด๊ฐ€์„œ ์‰ฝ์ง€ ์•Š๋‹ค. ๊ฐ•์˜์ž๋ฃŒ ๋ฐ”๋กœ๊ฐ€๊ธฐ: https://cs50.harvard.edu/x/2021/notes/0/ Lecture 0 - CS50x 2021 Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. cs50.harvard.edu ๊ฐ•์˜์ž๋ฃŒ ์ž์„ธํ•˜๊ณ  ์‰ฝ๊ฒŒ ์„ค๋ช…๋˜์–ด ์žˆ๋‹ค. ์ง„์งœ ์–‘์งˆ์˜ ๊ฐ•์˜... ์˜์–ด ๋ชจ๊ตญ์–ด ์•„๋‹Œ ์‚ฌ๋žŒ๋“ค์€ ์ž์นซ ๊ณผ์ œ ์žˆ๋Š”๊ฑฐ ๋ชจ๋ฅด๊ณ  ๋„˜์–ด๊ฐˆ ์ˆ˜๋„ ์žˆ์„ ๊ฒƒ ๊ฐ™์€๋ฐ ์ˆ˜๋ฃŒ ์œ„ํ•ด์„œ๋Š”..

Coding/[EdX] CS 50 2021.11.23

Introduction to Mathematical Thinking ๋กœ ๋ณธ๊ฒฉ ์‹œ์ž‘

https://ygsj.tistory.com/7 ์ง€๊ธˆ ๋‹น์žฅ ์‹œ์ž‘ํ•˜๋Š” ๊ฐœ๋ฐœ์ž ๋˜๊ธฐ ์ฒซ๊ฑธ์Œ (MOOC.. ๊ทธ๊ฒŒ ๋ญ”๋ฐ?) ์•ˆ๋…•ํ•˜์„ธ์š”, ์˜ค๋žœ๋งŒ์— ๋Œ์•„์™”์ฃ ? ์ €๋Š” ํ•™๊ธฐ๋ง์„ ํ•‘๊ณ„๋กœ ๊ธ€ ์•ˆ ์“ฐ๊ณ  "๊ณต๋ถ€" ํ•œ๋‹ค๋ฉด์„œ, ๋˜ ๊ณต๋ถ€๋„ ๊ทธ๋‹ค์ง€ ์—ด์‹ฌํžˆ ํ•˜์ง€ ์•Š์€ ๊ฒŒ์œผ๋ฅธ 2์ฃผ๋ฅผ ๋ณด๋ƒˆ๋‹ต๋‹ˆ๋‹ค. ๋‹ค๋“ค.. ๊ทธ๋Ÿฌ์ž–์•„์š”? ^^ ์›๋ž˜ ์ค€๋น„ํ•˜๋˜ ๊ธ€์€ ๋ณธ ygsj.tistory.com ๋‚˜๋Š” ๊ฐœ๋ฐœ์ž๊ฐ€ ๋˜๊ณ  ์‹ถ์€ ๋‹ฌ๊ฑ€(์—ฐ๊ตฌ์†Œ์žฅ๋‹˜ ๋ง์— ์˜ํ•˜๋ฉด)์ด์ž, (ํ•˜์ง€๋งŒ ์•„๋ฌด๊ฒƒ๋„ ๋ชจ๋ฅด๋Š”) (์ฝ”๋”ฉ์€ ๋‘ ๋‹ฌ ํ•˜๊ณ  ๋•Œ๋ ค์นœ) ์œ„ ๊ธ€์—์„œ ๋งํ•˜๋Š” ์–ด๋””์„œ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ด์•ผ ํ• ์ง€ ๋ง‰๋ง‰ํ•œ ๋ถ„์ด๋ฉฐ ์ปดํ“จํ„ฐ ์‚ฌ์ด์–ธ์Šค๊ฐ€ ๋ญ”์ง€, ๋ฐ์ดํ„ฐ ์‚ฌ์ด์–ธ์Šค๊ฐ€ ๋ญ”์ง€ ์ •๋ง ์ •๋ง ๋ชจ๋ฅด๊ฒ ๋Š” ๋ถ„์ด๊ธฐ ๋•Œ๋ฌธ์— ์‹œํ‚ค๋Š” ๊ฒƒ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ด๋ณด๊ธฐ๋กœ ํ•œ๋‹ค. (๋˜ ์‹œํ‚ค๋Š” ๊ฑด ์ž˜ ํ•˜๋Š” ํŽธ์ด๋ผ) ์—ฐ๊ตฌ์†Œ์žฅ๋‹˜์ด ๋ฐ์‹ธ๋กœ ๊ฐ€๊ณ ์‹ถ๋‹ค๋ฉด Introd..

Coding/[EdX] CS 50 2021.10.08