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๊ธฐ๋ณธ ์ฝ˜ํ…์ธ ๋กœ ๊ฑด๋„ˆ๋›ฐ๊ธฐ ๋ณด์™„์ ์ธ ์ฝ˜ํ…์ธ ๋กœ ๊ฑด๋„ˆ๋›ฐ๊ธฐ

Permut - ์Šคํฌ๋ฆฝํŠธ ๋ฐ ์ฐจํŠธ ํ•จ์ˆ˜

Permut()๋Š” p ํ•ญ๋ชฉ ์ง‘ํ•ฉ์—์„œ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋Š” q ์š”์†Œ์˜ ์ˆœ์—ด ์ˆ˜๋ฅผ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์‹์œผ๋กœ ํ‘œํ˜„๋ฉ๋‹ˆ๋‹ค. Permut(p,q) = (p)! / (p - q)! ํ•ญ๋ชฉ์ด ์„ ํƒ๋˜๋Š” ์ˆœ์„œ๋Š” ์ค‘์š”ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๊ตฌ๋ฌธ:  

Permut(p, q)

๋ฐ˜ํ™˜ ๋ฐ์ดํ„ฐ ์œ ํ˜•: ์ •์ˆ˜

์ œํ•œ ์‚ฌํ•ญ:  

์ •์ˆ˜๊ฐ€ ์•„๋‹Œ ์ธ์ˆ˜๋Š” ์ ˆ์‚ฌ๋ฉ๋‹ˆ๋‹ค.

์˜ˆ ๋ฐ ๊ฒฐ๊ณผ:  

์˜ˆ ๋ฐ ๊ฒฐ๊ณผ
์˜ˆ ๊ฒฐ๊ณผ

8๋ช…์ด ์ฐธ๊ฐ€ํ•œ 100 m ๊ฒฐ์Šน ํ›„์— ๊ธˆ, ์€, ๋™๋ฉ”๋‹ฌ์„ ๋‚˜๋ˆ ์ค„ ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์€ ๋ช‡ ๊ฐ€์ง€์ž…๋‹ˆ๊นŒ?

Permut( 8,3 )

336์„ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ์Šต๋‹ˆ๊นŒ?

์ด ํŽ˜์ด์ง€ ๋˜๋Š” ํ•ด๋‹น ์ฝ˜ํ…์ธ ์—์„œ ์˜คํƒ€, ๋ˆ„๋ฝ๋œ ๋‹จ๊ณ„ ๋˜๋Š” ๊ธฐ์ˆ ์  ์˜ค๋ฅ˜์™€ ๊ฐ™์€ ๋ฌธ์ œ๋ฅผ ๋ฐœ๊ฒฌํ•˜๋ฉด ๊ฐœ์„  ๋ฐฉ๋ฒ•์„ ์•Œ๋ ค ์ฃผ์‹ญ์‹œ์˜ค!