[์•Œ๊ณ ๋ฆฌ์ฆ˜] Brute Force(๋ธŒ๋ฃจํŠธ ํฌ์Šค)

2023. 1. 8. 14:44ยทAlgorithm/KBro Study

Brute Force(๋ธŒ๋ฃจํŠธ ํฌ์Šค)

๋ธŒ๋ฃจํŠธ ํฌ์Šค๋Š” Brute : ๋‚œํญํ•œ / Force : ํž˜ => ๋‚œํญํ•œ ํž˜์œผ๋กœ ํ•ด์„์ด ๋œ๋‹ค.

์ด๋ฅผ ์„ค๋ช…ํ•˜๋ฉด, ๋ฌด์‹ํ•˜๊ฒŒ ๋ชจ๋“  ๊ฒฝ์šฐ์˜ ์ˆ˜๋ฅผ ํƒ์ƒ‰(์™„์ „ํƒ์ƒ‰)ํ•˜๋ฉด์„œ ์กฐ๊ฑด์— ์ถฉ์กฑ๋˜๋Š” ๊ฒฐ๊ณผ๋งŒ์„ ๊ฐ€์ ธ์˜จ๋‹ค.

 

  • ์ด ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ๊ฐ€์žฅ ํฐ ํŠน์ง•์€ ๋ชจ๋“  ์˜์—ญ์„ ์ „์ฒด ํƒ์ƒ‰ํ•˜๋Š” ๋ฐฉ๋ฒ•์ด๋‹ค.
  • ์ „์ฒด ํƒ์ƒ‰ํ•˜๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ๋Š” ์„ ํ˜• ๊ตฌ์กฐ๋ฅผ ์ „์ฒด์ ์œผ๋กœ ํƒ์ƒ‰ํ•˜๋Š” ์ˆœ์ฐจ ํƒ์ƒ‰, ๋น„์„ ํ˜• ๊ตฌ์กฐ๋ฅผ ์ „์ฒด์ ์œผ๋กœ ํƒ์ƒ‰ํ•˜๋Š” ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰(DFS), ๋„ˆ๋น„ ์šฐ์„  ํƒ์ƒ‰(BFS), ๋ฐฑํŠธ๋ž˜ํ‚น(Backtracking) ๊ฐ€ ๊ธฐ๋ณธ์ ์ธ ๋„๊ตฌ์ด๋‹ค.
  • ์–ด๋–ค ๋ฐฉ์‹์œผ๋กœ๋“  ์ „์ฒด ํƒ์ƒ‰์œผ๋กœ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•œ๋‹ค๋ฉด ๋ธŒ๋ฃจํŠธ ํฌ์Šค ์•Œ๊ณ ๋ฆฌ์ฆ˜์œผ๋กœ ํ’€์—ˆ๋‹ค๊ณ  ํ•  ์ˆ˜ ์žˆ๋‹ค.

 

๋ธŒ๋ฃจํŠธ ํฌ์Šค๋Š” ์™„๋ฒฝํžˆ ๋ชจ๋“  ๊ฒฝ์šฐ์˜ ์ˆ˜๋ฅผ ํƒ์ƒ‰ํ•˜๊ธฐ์—, ์ •ํ™•๋„๋Š” ์šฐ์ˆ˜ํ•˜์ง€๋งŒ, ์ž์›์„ ๋„ˆ๋ฌด ๋งŽ์ด ์‚ฌ์šฉํ•œ๋‹ค๋Š” ์ ์—์„œ ์‹œ๊ฐ„ ๋ณต์žก๋„์— ๋งค์šฐ ๋ฏผ๊ฐํ•˜๋‹ค.

 

 

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[์•Œ๊ณ ๋ฆฌ์ฆ˜] Brute Force(๋ธŒ๋ฃจํŠธ ํฌ์Šค)
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