๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

์ง•๊ฒ€๋‹ค๋ฆฌ1

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค Lv4] : ์ง•๊ฒ€๋‹ค๋ฆฌ ๋ฌธ์ œ ๋งํฌ https://programmers.co.kr/learn/courses/30/lessons/43236 ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต - ์ง•๊ฒ€๋‹ค๋ฆฌ ์ถœ๋ฐœ์ง€์ ๋ถ€ํ„ฐ distance๋งŒํผ ๋–จ์–ด์ง„ ๊ณณ์— ๋„์ฐฉ์ง€์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๊ทธ์‚ฌ์ด์—๋Š” ๋ฐ”์œ„๋“ค์ด ๋†“์—ฌ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฐ”์œ„ ์ค‘ ๋ช‡ ๊ฐœ๋ฅผ ์ œ๊ฑฐํ•˜๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ๋„์ฐฉ์ง€์ ์ด 25๋งŒํผ ๋–จ์–ด์ ธ ์žˆ๊ณ , ๋ฐ”์œ„๊ฐ€ programmers.co.kr ๋ฐ”์œ„๋ฅผ n๊ฐœ ์ œ๊ฑฐํ–ˆ์„ ๋•Œ, ๊ฐ ์ง€์  ์‚ฌ์ด์˜ ๊ฑฐ๋ฆฌ์˜ ์ตœ์†Ÿ๊ฐ’์ด ์ตœ๋Œ€๊ฐ€ ๋˜๋„๋ก ๋ฐ”์œ„๋ฅผ ์ œ๊ฑฐํ•˜๋Š” ๋ฌธ์ œ. ํ’€์ด ํ’€์ด ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ฐ ์ง€์ ๋“ค ์‚ฌ์ด์— ๋ฒŒ์–ด์ ธ์•ผํ•  ์ตœ์†Œ ๊ฐ„๊ฒฉ์„ "์ด๋ถ„ํƒ์ƒ‰"์„ ํ†ตํ•ด์„œ ํƒ์ƒ‰ํ•œ๋‹ค. ๋ฒŒ์–ด์ €์•ผํ•  ๊ฐ„๊ฒฉ์˜ ๋ฒ”์œ„๋Š” 0 ~ distance ์ด๋‚ด ์ผ ๊ฒƒ์ด๋‹ค. L = 0, R = distance๋กœ ์žก๊ณ  mid ๊ฐ’์„ ์ง€์ ๋“ค ์‚ฌ์ด ๋ฒŒ์–ด์ ธ์•ผํ•  ์ตœ์†Œ .. 2022. 6. 21.