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๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋กํŒŒ์ด์ฌ itertools (1)

Hey Tech

[ํŒŒ์ด์ฌ] ์ˆœ์—ด, ์กฐํ•ฉ, ์ค‘๋ณต ์ˆœ์—ด, ์ค‘๋ณต ์กฐํ•ฉ ๊ณ„์‚ฐํ•˜๊ธฐ!(feat. itertools ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ)

์•ˆ๋…•ํ•˜์„ธ์š”, ์˜ค๋Š˜์€ ํŒŒ์ด์ฌ itertools ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ํ™œ์šฉํ•˜์—ฌ ์ˆœ์—ด(Permutation), ์กฐํ•ฉ(Combination), ์ค‘๋ณต ์ˆœ์—ด(Permutation with reptition), ์ค‘๋ณต ์กฐํ•ฉ(Combination with reptition)์„ ๊ณ„์‚ฐํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ๊ณต์œ ํ•ด ๋“œ๋ฆฝ๋‹ˆ๋‹ค. ๊ทธ๋Ÿผ ๋ฐ”๋กœ ์‹œ์ž‘ํ•˜์ฃ ! ๐Ÿ“š ๋ชฉ์ฐจ 1. ์ˆœ์—ด(Permutation) 2. ์กฐํ•ฉ(Combination) 3. ์ค‘๋ณต ์ˆœ์—ด(Permutation with repetition) 4. ์ค‘๋ณต ์กฐํ•ฉ(Combination with repetition) 1. ์ˆœ์—ด(Permutation) ์ˆœ์—ด์€ \(n\) ๊ฐœ์˜ ๋ฐ์ดํ„ฐ ์ค‘์—์„œ \(r\) ๊ฐœ์˜ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฝ‘์•„ ์ผ๋ ฌ๋กœ ๋‚˜์—ดํ•˜๋Š” ๋ชจ๋“  ๊ฒฝ์šฐ์˜ ์ˆ˜๋กœ์„œ ์ˆ˜ํ•™์ ์ธ ๊ธฐํ˜ธ๋กœ๋Š” \(_{n}P_{r}\) ์™€ ๊ฐ™..
SW ๊ฐœ๋ฐœ/Python 2021. 4. 21. 12:21
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