๋„์ˆ˜ ์ •๋ ฌ 1

[์•Œ๊ณ ๋ฆฌ์ฆ˜] ์ •๋ ฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜ - ๊ณ„์ˆ˜ ์ •๋ ฌ Counting Sort

๊ณ„์ˆ˜ ์ •๋ ฌ (Counting Sort) ์•Œ๊ณ ๋ฆฌ์ฆ˜ : ๊ณ„์ˆ˜ ์ •๋ ฌ = ๋„์ˆ˜ ์ •๋ ฌ = ์นด์šดํŒ… ์ •๋ ฌ ์š”์†Œ์˜ ๋Œ€์†Œ ๊ด€๊ณ„๋ฅผ ํŒ๋‹จํ•˜์ง€ ์•Š๊ณ  ๋น ๋ฅด๊ฒŒ ์ •๋ ฌํ•  ์ˆ˜ ์žˆ๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜ 1. ๋ฐฐ์—ด ๋‚ด ์š”์†Œ ๊ฐ’๋“ค์˜ ๊ฐœ์ˆ˜๋ฅผ ์ €์žฅํ•˜๋Š” ์นด์šดํŒ… ๋ฐฐ์—ด์„ ๋งŒ๋“ ๋‹ค 2. ์นด์šดํŒ… ๋ฐฐ์—ด์˜ ์š”์†Œ์— ์ง์ „ ์š”์†Œ์˜ ๊ฐ’์„ ๋”ํ•ด์ค€๋‹ค. 3. ๋ฐฐ์—ด๊ณผ ๊ฐ™์€ ํฌ๊ธฐ์˜ ์ถœ๋ ฅ ๋ฐฐ์—ด์„ ๋งŒ๋“ค๊ณ  ์ž…๋ ฅ ๋ฐฐ์—ด์˜ ์—ญ์ˆœ์œผ๋กœ ์ถœ๋ ฅ ๋ฐฐ์—ด์— ์š”์†Œ๋“ค์„ ์ฑ„์›Œ๋„ฃ๋Š”๋‹ค. 3-1. ๋ฐฐ์—ด a์˜ ๋งจ ๋’ท ์š”์†Œ 8์„ ๊บผ๋‚ด counting[8]์„ ํ™•์ธ 3-2. ๋ฐฐ์—ด b์˜ counting[8]-- ํ›„ counting[8] ์ž๋ฆฌ์— 8์„ ์ €์žฅ 4. ๋ฐฐ์—ด b๋ฅผ ๋ฐฐ์—ด a๋กœ ๋ณต์‚ฌํ•œ๋‹ค ๋ฉ”์†Œ๋“œ countingSort() : ๋ฐฐ์—ด a๋ฅผ ์นด์šดํŒ… ์ •๋ ฌ ๋งค๊ฐœ๋ณ€์ˆ˜ : int[] a, int n - ์นด์šดํŒ… ์ •๋ ฌ : void count..