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[๋ฐฑ์ค€] 1517 ๋ฒ„๋ธ” ์†ŒํŠธ java ํ’€์ด (๊ทธ๋ฆผ์œผ๋กœ ์‰ฝ๊ฒŒ ์ดํ•ดํ•˜๊ธฐ)
1. ๋ฌธ์ œ ์„ค๋ช… ๐Ÿ“Œ๋ฌธ์ œ ๋งํฌ1์ฐจ์› ๋ฐฐ์—ด์ด ์ฃผ์–ด์ง€๊ณ , ํ•ด๋‹น ๋ฐฐ์—ด์„ ๋ฒ„๋ธ” ์ •๋ ฌ๋กœ ์ •๋ ฌํ•œ๋‹ค๊ณ  ํ–ˆ์„๋•Œ, ์ „์ฒด ๊ณผ์ • ์ค‘์—์„œ swap์€ ๋ช‡ ๋ฒˆ ์ผ์–ด๋‚ฌ๋Š”์ง€ ๊ตฌํ•˜๋ผ.2. ์ ‘๊ทผ ๋ฐฉ์‹ ๐Ÿ—ƒ๏ธKey Word: Merge_sort, Two Pointer๋ถ„ํ•  ์ •๋ณต, ํˆฌ ํฌ์ธํ„ฐ๋ฅผ ํ™œ์šฉํ•ด ์ž…๋ ฅ์— ๋Œ€ํ•ด ๋ณ‘ํ•ฉ ์ •๋ ฌ์„ ์‹คํ–‰ํ•œ๋‹ค.๋งค ์žฌ๊ท€ ์ˆœ๊ฐ„๋งˆ๋‹ค ์ •๋ ฌ์ด ๋ ํ…๋ฐ, ์ด๋•Œ ์ž๋ฆฌ ๋ฐ”๊ฟˆ์ด ์ผ์–ด๋‚œ ํšŸ์ˆ˜๋ฅผ ์„ผ๋‹ค.์œ„์˜ ๊ณผ์ •์—์„œ ๊ตฌํ•œ ์ž๋ฆฌ ๋ฐ”๊ฟˆ ํšŸ์ˆ˜๋ฅผ ๋ˆ„์ ํ•ด ์ถœ๋ ฅํ•œ๋‹ค.์ „์ฒด ๊ณผ์ •์„ ๊ฐ„๋žตํžˆ ์„ค๋ช…ํ•˜๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.(1) ์ง€๊ธˆ๋ถ€ํ„ฐ ๋ณ‘ํ•ฉ ์ •๋ ฌ์ด ๋ฌด์—‡์ธ์ง€,(2) ๋ฒ„๋ธ” ์ •๋ ฌ๋กœ ์ •๋ ฌํ•˜๋ผ ํ–ˆ๋Š”๋ฐ ์™œ ๋ณ‘ํ•ฉ ์ •๋ ฌ์„ ์‚ฌ์šฉํ•˜๊ณ  ๊ทธ๊ฒƒ์ด ํ†ตํ•˜๋Š”์ง€,(3) ์–ด๋–ป๊ฒŒ ๊ตฌํ˜„ํ•˜๋ฉด ๋˜๋Š”์ง€์„ธ์„ธํ•˜๊ฒŒ ์„ค๋ช…ํ•˜๊ฒ ๋‹ค.(1) ๋ณ‘ํ•ฉ ์ •๋ ฌ์ด ๋ฌด์—‡์ธ์ง€๋ณ‘ํ•ฉ์ •๋ ฌ์€ ๋ถ„ํ•  ์ •๋ณต๊ณผ ํˆฌ ํฌ์ธํ„ฐ๋ฅผ ํ™œ์šฉํ•ด ๊ฐ’๋“ค์„ ์ •๋ ฌํ•˜๋Š”..
2024.12.28
์•Œ๊ณ ๋ฆฌ์ฆ˜/๋ฌธ์ œ ํ’€์ด