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๋ชฉ๋ก๋„ˆ๋น„ ์šฐ์„  ํƒ์ƒ‰ (1)

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[Python] BFS ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ฐœ๋… ๋ฐ ์‹ค์Šต

๋ณธ ํฌ์ŠคํŒ…์—์„œ๋Š” ๋„ˆ๋น„ ์šฐ์„  ํƒ์ƒ‰์ด๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” BFS(Breadth-First Search)์— ๋Œ€ํ•ด ์•Œ์•„๋ด…๋‹ˆ๋‹ค. ๐Ÿ“š ๋ชฉ์ฐจ 1. BFS ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด๋ž€? 2. BFS ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋™์ž‘ ๊ณผ์ • 3. BFS ํŒŒ์ด์ฌ ๊ตฌํ˜„ 3.1. ์†Œ์Šค์ฝ”๋“œ ์„ค๋ช… 3.2. ์ „์ฒด ์†Œ์Šค์ฝ”๋“œ 1. BFS ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด๋ž€? BFS(Breadth-First Search)๋ž€ ๋„ˆ๋น„ ์šฐ์„  ํƒ์ƒ‰์ด๋ผ๊ณ ๋„ ๋ถˆ๋ฆฌ๋ฉฐ ๊ทธ๋ž˜ํ”„์—์„œ ์‹œ์ž‘ ๋…ธ๋“œ์— ์ธ์ ‘ํ•œ ๋…ธ๋“œ๋ถ€ํ„ฐ ํƒ์ƒ‰ํ•˜๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜์ž…๋‹ˆ๋‹ค. BFS ์•Œ๊ณ ๋ฆฌ์ฆ˜์€ ์–ธ์ œ ์‚ฌ์šฉํ•˜๋ฉด ์ข‹์„๊นŒ์š”? BFS ์•Œ๊ณ ๋ฆฌ์ฆ˜์€ ์ฃผ๋กœ ๊ทธ๋ž˜ํ”„์—์„œ ๋ชจ๋“  ๊ฐ„์„ ์˜ ๋น„์šฉ์ด ๋™์ผํ•œ ์กฐ๊ฑด์—์„œ ์ตœ๋‹จ ๊ฑฐ๋ฆฌ๋ฅผ ๊ตฌํ•˜๋Š” ๋ฌธ์ œ๋ฅผ ํšจ๊ณผ์ ์œผ๋กœ ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜์ž…๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  "๋ฏธ๋กœ๋ฅผ ๋น ์ ธ๋‚˜๊ฐ€๋Š” ์ตœ๋‹จ ๊ฑฐ๋ฆฌ(๊ฒฝ๋กœ)"๋ฅผ ๊ตฌํ•˜๋Š” ๋ฌธ์ œ ๋“ฑ์—์„œ ํšจ๊ณผ์ ์œผ๋กœ ํ™œ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜์ž…๋‹ˆ๋‹ค...
์•Œ๊ณ ๋ฆฌ์ฆ˜/์ด๋ก  2021. 3. 9. 10:16
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