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๐Ÿš€ Coding Test & Algorithm Study

์ฝ”๋”ฉ ํ…Œ์ŠคํŠธ ํ•ฉ๊ฒฉ์„ ์œ„ํ•œ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฌธ์ œ ํ’€์ด ๋ฐ ๋””์ž์ธ ํŒจํ„ด ํ•™์Šต ๊ธฐ๋ก ์ €์žฅ์†Œ์ž…๋‹ˆ๋‹ค. ๋‹จ์ˆœํžˆ ์ •๋‹ต์„ ๋งžํžˆ๋Š” ๊ฒƒ์— ๊ทธ์น˜์ง€ ์•Š๊ณ , ํšจ์œจ์ ์ธ ๊ตฌ์กฐ์™€ ํด๋ฆฐ ์ฝ”๋“œ๋ฅผ ์ง€ํ–ฅํ•˜๋ฉฐ ํ•™์Šตํ•ฉ๋‹ˆ๋‹ค.

solved.ac profile


๐Ÿ“‚ Project Structure

์ •์˜๋œ ๋ชจ๋“ˆ ์ฒด๊ณ„์— ๋”ฐ๋ฅธ ํ”„๋กœ์ ํŠธ ๊ตฌ์กฐ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋ชจ๋“ˆ์€ ๋…๋ฆฝ์ ์ธ ํ•™์Šต ๋ชฉ์ ์„ ๊ฐ€์ง‘๋‹ˆ๋‹ค.

๋ชจ๋“ˆ ๋ช…์นญ ํ”Œ๋žซํผ / ํ•™์Šต ๋‚ด์šฉ ์ƒ์„ธ ์„ค๋ช…
algorithm-baekjoon BAEKJOON ๋ฐฑ์ค€ ์˜จ๋ผ์ธ ์ €์ง€ ๋ฌธ์ œ ํ’€์ด (solved.ac ํ‹ฐ์–ด ๊ธฐ๋ฐ˜)
algorithm-programmers Programmers ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๊ณ ๋“์  Kit ๋ฐ ๋ ˆ๋ฒจ๋ณ„ ๋ฌธ์ œ ํ’€์ด
programmers-cookbook ์ž๋ฐ” ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฌธ์ œ ํ’€์ด ใ€Š์ฝ”๋”ฉ ํ…Œ์ŠคํŠธ ํ•ฉ๊ฒฉ์ž ๋˜๊ธฐ - ์ž๋ฐ” ํŽธใ€‹ ๊ธฐ๋ฐ˜ ์ „๋žต์  ํ•™์Šต
study-design-pattern ๋””์ž์ธ ํŒจํ„ด (Design Pattern) ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ๋ฐ ํšจ์œจ์ ์ธ ์ฝ”๋“œ ๊ตฌ์กฐ ํ•™์Šต

๐Ÿ’ก Algorithm Strategy

ํšจ์œจ์ ์ธ ์„ฑ์žฅ์„ ์œ„ํ•ด ์•„๋ž˜ 6๊ฐ€์ง€ ํ•™์Šต ์›์น™์„ ์ค€์ˆ˜ํ•ฉ๋‹ˆ๋‹ค.

  1. Time Limit: ๋ฌธ์ œ๋‹น 30๋ถ„~1์‹œ๊ฐ„ ๊ณ ๋ฏผ ํ›„ ํ•ด๊ฒฐ๋˜์ง€ ์•Š์œผ๋ฉด ํ’€์ด๋ฅผ ์ฐธ๊ณ ํ•ฉ๋‹ˆ๋‹ค.
  2. Understand & Retype: ํƒ€์ธ์˜ ํ’€์ด๋Š” ๋ฐ˜๋“œ์‹œ ์›๋ฆฌ๋ฅผ ์ดํ•ดํ•œ ๋’ค ์ง์ ‘ ํƒ€์ดํ•‘ํ•˜๋ฉฐ ์ฒด๋“ํ•ฉ๋‹ˆ๋‹ค.
  3. Concept First: ์ƒ์†Œํ•œ ์•Œ๊ณ ๋ฆฌ์ฆ˜์€ ๊ตฌ๊ธ€๋ง์„ ํ†ตํ•ด ์ด๋ก ์„ ๋จผ์ € ์ •๋ฆฌํ•˜๊ณ  ํ’€์ด์— ์ž„ํ•ฉ๋‹ˆ๋‹ค.
  4. Triple Practice: ์ƒˆ๋กœ ๋ฐฐ์šด ์•Œ๊ณ ๋ฆฌ์ฆ˜์€ ์œ ์‚ฌํ•œ ์œ ํ˜•์œผ๋กœ ์ตœ์†Œ 3๋ฌธ์ œ ์ด์ƒ ํ’€์ดํ•ฉ๋‹ˆ๋‹ค.
  5. Review Cycle: ์ดํ•ด๊ฐ€ ๋ถ€์กฑํ–ˆ๋˜ ๋ฌธ์ œ๋Š” ์ผ์ฃผ์ผ ๋’ค ๋ฐ˜๋“œ์‹œ ๋‹ค์‹œ ํ’€์–ด๋ณด๋ฉฐ ๋ณต์Šตํ•ฉ๋‹ˆ๋‹ค.
  6. Code Review: ๋‚ด ํ’€์ด์™€ ํƒ€์ธ์˜ ํ’€์ด๋ฅผ ๋น„๊ตํ•˜๋ฉฐ ๋” ๋‚˜์€ ์‹œ๊ฐ„/๊ณต๊ฐ„ ๋ณต์žก๋„๋ฅผ ํƒ์ƒ‰ํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ“š Learning Resources

๐Ÿ“– Books & Courses

  • ์ดํŽ™ํ‹ฐ๋ธŒ ์ž๋ฐ” (Effective JAVA 3/E) - ์กฐ์Šˆ์•„ ๋ธ”๋กœํ
  • ์ฝ”๋”ฉ ํ…Œ์ŠคํŠธ ํ•ฉ๊ฒฉ์ž ๋˜๊ธฐ (์ž๋ฐ” ํŽธ) - ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๊ฐ•์˜ ๋ฐ ์„œ์ 
  • ์ž๋ฃŒ๊ตฌ์กฐ ๋ฐ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ด€๋ จ ์˜จ๋ผ์ธ ๊ธฐ์ˆ  ๋ธ”๋กœ๊ทธ ๋ฐ ๊ณต์‹ ๋ฌธ์„œ

๐Ÿ›  Tools

๐ŸŒ‹ Goal

  • ๊ธฐ์ดˆ ์ฒด๋ ฅ: ์ฃผ์š” ์•Œ๊ณ ๋ฆฌ์ฆ˜(DFS/BFS, DP, ๊ทธ๋ฆฌ๋””, ์ด๋ถ„ํƒ์ƒ‰ ๋“ฑ)์˜ ์™„๋ฒฝํ•œ ์ˆ™์ง€
  • ๊ฐ์ฒด ์ง€ํ–ฅ: ์•Œ๊ณ ๋ฆฌ์ฆ˜ ํ’€์ด ๊ณผ์ •์—์„œ๋„ ๊ฐ€๋…์„ฑ๊ณผ ์œ ์ง€๋ณด์ˆ˜๋ฅผ ๊ณ ๋ คํ•œ ์ฝ”๋“œ ์ž‘์„ฑ
  • ์ง€์†์„ฑ: '1์ผ 1์•Œ๊ณ ๋ฆฌ์ฆ˜' ์‹ค์ฒœ์„ ํ†ตํ•œ ๊พธ์ค€ํ•œ ๋ฌธ์ œ ํ•ด๊ฒฐ ๊ฐ๊ฐ ์œ ์ง€

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๐Ÿฅ ์•Œ๊ณ ๋ฆฌ์ฆ˜ & ์ž๋ฃŒ๊ตฌ์กฐ ํ•™์Šต ์ €์žฅ์†Œ

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