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Algorithms Problem Solving

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์‹ ์ž… ๊ฐœ๋ฐœ์ž๋กœ ์ทจ์—…์„ ์œ„ํ•ด, ๋˜ ์ด์ง์„ ์œ„ํ•ด ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ค€๋น„ํ•˜๋Š” ๋ถ„์ด ๋งŽ์„ ๊ฒ๋‹ˆ๋‹ค. ํ•˜๋ฃจ๋„ ๋นผ๋†“์ง€ ์•Š๊ณ  ๋งค์ผํ•˜๋Š” ๊ฒƒ์€ ํž˜๋“ค์–ด๋„ ์ตœ๋Œ€ํ•œ ๊พธ์ค€ํžˆ ํ•˜๋„๋ก ๋…ธ๋ ฅํ•ด๋ณผ ์˜ˆ์ •์ž…๋‹ˆ๋‹ค.
์ง€๋‚œ 1.0 ver ๊นŒ์ง€๋Š” SSAFY ๊ต์œก๊ณผ์ •์—์„œ ๊ธฐ์ดˆ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ตํ˜”๋‹ค๋ฉด, ์ด๋ฒˆ 2.0 ver ๋ถ€ํ„ฐ๋Š” ์‹ค์ œ ์ทจ์—…์ค€๋น„๋ฅผ ์œ„ํ•ด ์ƒˆ๋กœ์šด ๋ธŒ๋žœ์น˜์—์„œ ์ƒˆ๋กœ ์‹œ์ž‘ํ•  ์˜ˆ์ •์ž…๋‹ˆ๋‹ค.



๐Ÿ’ป ๋ฌธ์ œ ์‚ฌ์ดํŠธ

์‹ค์ œ ํ•„์ž๊ฐ€ ์ฃผ๋‹ˆ์–ด ์ทจ์—…์ค€๋น„๋ฅผ ํ•˜๋ฉด์„œ ์—ด๋žŒํ•  ์‚ฌ์ดํŠธ์ž…๋‹ˆ๋‹ค. ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์‚ฌ์ดํŠธ๋Š” ๋” ๋‹ค์–‘ํžˆ ์žˆ์Šต๋‹ˆ๋‹ค.

  1. Baekjoon
  2. Programmers
  3. SW Expert Academy
  4. CodeTree
  5. HankerRank

๐Ÿ“ ๋ฌธ์ œ ์ •๋ฆฌ

  • ์ฝ”๋“œ : ํ•ด๋‹น ๋ ˆํฌ์ง€ํ† ๋ฆฌ์— ๊ฐ ์‚ฌ์ดํŠธ๋ณ„, ๋ฌธ์ œ ๋ฒˆํ˜ธ(์˜ค๋ฆ„์ฐจ์ˆœ)๋กœ ์ •๋ฆฌํ•ฉ๋‹ˆ๋‹ค.
  • ์„ค๋ช… : ๊ธฐ์ˆ ๋ธ”๋กœ๊ทธ์— ์‚ฌ์ดํŠธ๋ณ„ ๋ฐ ๋ฌธ์ œ๋ณ„ ์ƒ์„ธ๋กœ ์ •๋ฆฌํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ“‹ ๊ณต๋ถ€ ๋ฐฉ๋ฒ•

  1. ๊ธฐ๋ณธ์ ์ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ด๋ก  ์Šต๋“ ํ›„ ๋ฌธ์ œ ๋ ˆ๋ฒจ ์ˆœ์œผ๋กœ ํ’€์ด
  2. ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฌธ์ œ ์‘์‹œ์— ๋Œ€ํ•œ ์ ์‘, ์˜ค๋ฅ˜๊ฐ€ ์ค„์–ด๋“ค ๋•Œ๋ถ€ํ„ฐ ์›ํ•˜๋Š” ์นดํ…Œ๊ณ ๋ฆฌ๋ณ„ ์–‘์น˜๊ธฐ๐Ÿ
  3. ์›ํ•˜๋Š” ์นดํ…Œ๊ณ ๋ฆฌ ํ•ด์†Œ๊ฐ€ ํ‰์ดํ•ด์ง€๋ฉด ๊ธฐ์ถœ๋ฌธ์ œ ์œ„์ฃผ ํ’€์ด

๐Ÿ—ƒ๏ธ SQL ๋ฌธ์ œ ํ’€์ด ์ถ”๊ฐ€

Backend ์ง๋ฌด๋ฅผ ์ค€๋น„ํ•˜๋ฉฐ SQL์ด ์ถœ์ œ๋  ๋•Œ๊ฐ€ ์žˆ๋‹ค.
JPA๋ฅผ ํ†ตํ•ด์„œ๋งŒ SELECT๋ฅผ ํ•œ ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์•„, ์ง์ ‘ ์‚ฌ์šฉํ•ด๋ณด๊ณ  ์—ฐ์Šตํ•ด๋ณธ๋‹ค.


โš™ Repository Log

  • 0.0 : ์‚ฌ์ดํŠธ๋ณ„ ๋ณ„๋„ Repository(๋ฐฑ์ค€, SWEA, ์ •์˜ฌ) ๊ด€๋ฆฌ (2020.05.09 ~ 2021.06.14)
  • 1.0 : ์•Œ๊ณ ๋ฆฌ์ฆ˜ Repository ์ƒ์„ฑ ํ›„ ๋ณ‘ํ•ฉ (2021.06.15 ~ 2022.06.13)
  • 2.0 : ์ฃผ๋‹ˆ์–ด ์ทจ์—…์ค€๋น„๋ฅผ ์œ„ํ•œ Repository Reset (2022.06.14 ~ )