๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
728x90
๋ฐ˜์‘ํ˜•

๊ตฌํ˜„2

[Swift] 2019 KAKAO BLIND RECRUITMENT ๋ธ”๋ก ๊ฒŒ์ž„ Problem ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต - ๋ธ”๋ก ๊ฒŒ์ž„ [[0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,4,0,0,0],[0,0,0,0,0,4,4,0,0,0],[0,0,0,0,3,0,4,0,0,0],[0,0,0,2,3,0,0,0,5,5],[1,2,2,2,3,3,0,0,0,5],[1,1,1,0,0,0,0,0,0,5]] 2 programmers.co.kr Solution 1. ๋จผ์ € ๊ฒ€์€ ๋ธ”๋ก์„ ๋–จ์–ด๋œจ๋ ค ์‚ญ์ œ๊ฐ€ ๊ฐ€๋Šฅํ•œ ๋ธ”๋ก๋“ค์„ ์ฐพ์•„๋‚ธ๋‹ค. ์ฃผ์–ด์ง„ ๋ธ”๋ก์€ ์ฐจ๋ก€๋Œ€๋กœ 1๋ฒˆ ๋ธ”๋ก์˜ 0,1,2,3 ํƒ€์ž…, 2๋ฒˆ ๋ธ”๋ก์˜ 0,1,2,3 ํƒ€์ž… , 3๋ฒˆ ๋ธ”๋ก์˜ 0,1,2,3ํƒ€์ž…์ด ์žˆ๋‹ค๊ณ  ๊ฐ€์ •ํ•  ๋•Œ ๊ฒ€์€ ๋ธ”.. 2022. 3. 28.
[Data Structure] AVL ํŠธ๋ฆฌ ๊ตฌํ˜„ํ•ด๋ณด๊ธฐ (feat. Swift) ์•ˆ๋…•ํ•˜์„ธ์š” Foma ๐Ÿ’ป ์ž…๋‹ˆ๋‹ค! ์ €๋ฒˆ ์‹œ๊ฐ„์— AVL ํŠธ๋ฆฌ๊ฐ€ ๋ญ”์ง€ ์ด๋ก ์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์•˜๋Š”๋ฐ์š”. (ํ˜น์‹œ ์•ˆ๋ณด์‹  ๋ถ„๋“ค์€ ์—ฌ๊ธฐ ์—์„œ ํ™•์ธํ•ด์ฃผ์„ธ์š”!) ์˜ค๋Š˜์€ AVL ํŠธ๋ฆฌ๋ฅผ ์ง์ ‘ ๊ตฌํ˜„ํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋ฐ”๋กœ ์‹œ์ž‘ํ• ๊ฒŒ์š”~ AVLNode ๊ธฐ๋ณธ์ ์œผ๋กœ ์ด์ง„ํƒ์ƒ‰ํŠธ๋ฆฌ์˜ ๋…ธ๋“œ์™€ ๋˜‘๊ฐ™์ง€๋งŒ ์™ผ์ชฝ๊ณผ,์˜ค๋ฅธ์ชฝ ์ž์‹์˜ ๋†’์ด์™€ ๋ฐธ๋Ÿฐ์Šค ํŒฉํ„ฐ๋ฅผ ์ธก์ •ํ•  ๋ณ€์ˆ˜๋ฅผ ๋”ฐ๋กœ ๋งŒ๋“ค์–ด์—ˆ์Šต๋‹ˆ๋‹ค. class AVLNode { var value:T var leftChild:AVLNode? var rightChild:AVLNode? var height:Int = 0 var leftHeight:Int { return leftChild?.height ?? -1 } var rightHeight:Int { return rightChild?.height ?? -1 } var.. 2021. 12. 6.
728x90
๋ฐ˜์‘ํ˜•