์ฝ”ํ…Œ 4

โฌ› [Programmers] [Java] [Level2] ์ ํ”„์™€ ์ˆœ๊ฐ„์ด๋™

๋ฌธ์ œ https://school.programmers.co.kr/learn/courses/30/lessons/12980?language=java ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr ํ’€์ด import java.util.*; public class Solution { public int solution(int n) { int ans = 0; while(n != 0){ if(n % 2 == 0){ n /= 2; } else { n--; ans++; } } return ans; } }

โฌ› [Programmers] [Java] [Level2] ์˜์–ด ๋๋ง์ž‡๊ธฐ

๋ฌธ์ œ https://school.programmers.co.kr/learn/courses/30/lessons/12981?language=java ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr ํ’€์ด import java.util.*; class Solution { public int[] solution(int n, String[] words) { int[] answer = {0, 0}; Map map = new HashMap(); for(int i=0; i

[Programmers] [Python] Level1_์ฒด์œก๋ณต

https://programmers.co.kr/learn/courses/30/lessons/42862 ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต - ์ฒด์œก๋ณต ์ ์‹ฌ์‹œ๊ฐ„์— ๋„๋‘‘์ด ๋“ค์–ด, ์ผ๋ถ€ ํ•™์ƒ์ด ์ฒด์œก๋ณต์„ ๋„๋‚œ๋‹นํ–ˆ์Šต๋‹ˆ๋‹ค. ๋‹คํ–‰ํžˆ ์—ฌ๋ฒŒ ์ฒด์œก๋ณต์ด ์žˆ๋Š” ํ•™์ƒ์ด ์ด๋“ค์—๊ฒŒ ์ฒด์œก๋ณต์„ ๋นŒ๋ ค์ฃผ๋ ค ํ•ฉ๋‹ˆ๋‹ค. ํ•™์ƒ๋“ค์˜ ๋ฒˆํ˜ธ๋Š” ์ฒด๊ฒฉ ์ˆœ์œผ๋กœ ๋งค๊ฒจ์ ธ ์žˆ์–ด, ๋ฐ”๋กœ ์•ž๋ฒˆ programmers.co.kr ํ’€์ด ์•Œ๊ณ ๋ฆฌ์ฆ˜ : Greedy(ํƒ์š•๋ฒ•) # ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค 1๋‹จ๊ณ„ - ์ฒด์œก๋ณต def solution(n, lost, reserve): _reserve = [r for r in reserve if r not in lost] _lost = [l for l in lost if l not in reserve] for r in _reserve: f = r - 1 b = r +..

[๋ฐฑ์ค€] (Python) 10610๋ฒˆ_30

https://www.acmicpc.net/problem/10610 10610๋ฒˆ: 30 ์–ด๋Š ๋‚ , ๋ฏธ๋ฅด์ฝ”๋Š” ์šฐ์—ฐํžˆ ๊ธธ๊ฑฐ๋ฆฌ์—์„œ ์–‘์ˆ˜ N์„ ๋ณด์•˜๋‹ค. ๋ฏธ๋ฅด์ฝ”๋Š” 30์ด๋ž€ ์ˆ˜๋ฅผ ์กด๊ฒฝํ•˜๊ธฐ ๋•Œ๋ฌธ์—, ๊ทธ๋Š” ๊ธธ๊ฑฐ๋ฆฌ์—์„œ ์ฐพ์€ ์ˆ˜์— ํฌํ•จ๋œ ์ˆซ์ž๋“ค์„ ์„ž์–ด 30์˜ ๋ฐฐ์ˆ˜๊ฐ€ ๋˜๋Š” ๊ฐ€์žฅ ํฐ ์ˆ˜๋ฅผ ๋งŒ๋“ค๊ณ  ์‹ถ์–ดํ•œ www.acmicpc.net ํ’€์ด ๋‚ด ํ’€์ด # ๋ฐฑ์ค€ 10610๋ฒˆ ๋ฌธ์ œ - 30 n = list(input()) new_list = [] for i in n: new_list.append(int(i)) if 0 in new_list: new_list.sort(reverse=True) for j in range(len(new_list)): new_list[j] = str(new_list[j]) new_list = ''.join(n..