๐Ÿ’ป FE 64

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <ํ”ผ์ž ๋‚˜๋ˆ  ๋จน๊ธฐ (1)>

ํ”„๋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 function solution(n) { let answer = parseInt(n / 7); answer = n % 7 === 0 ? answer : answer++; return answer; } function solution(n) { let answer = parseInt(n / 7); answer = n % 7 === 0 ? answer : answer+=1; return answer; }โ€‹ ์œ„๋Š” ์•ˆ ๋˜๊ณ  ์•„๋ž˜๋Š” ๋˜๋Š” ์ด์œ  => ๋ชจ๋ฆ„ ๋‹ค์Œ๋ถ€ํ„ฐ๋Š” ๊ทธ๋ƒฅ ์•„๋ž˜์ฒ˜๋Ÿผ ํ•˜์‹œ๊ธธ ๋‚˜๋จธ์ง€๊ฐ€ ์žˆ์œผ๋ฉด ๋ฌด์กฐ๊ฑด ์˜ฌ๋ฆฌ๋Š” ๋ฉ”์„œ..

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <์›์†Œ ๋‘ ๋ฐฐ ๋Š˜๋ฆฌ๊ธฐ>

ํ”„๋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 function solution(numbers) { var answer = []; for (const item of numbers) { answer.push(item * 2); } return answer; } ํ…Œ์ŠคํŠธ 1 ใ€‰ ํ†ต๊ณผ (0.12ms, 33.4MB) ํ…Œ์ŠคํŠธ 2 ใ€‰ ํ†ต๊ณผ (0.06ms, 33.6MB) ํ…Œ์ŠคํŠธ 3 ใ€‰ ํ†ต๊ณผ (0.05ms, 33.4MB) ํ…Œ์ŠคํŠธ 4 ใ€‰ ํ†ต๊ณผ (0.04ms, 33.4MB) ํ…Œ์ŠคํŠธ 5 ใ€‰ ํ†ต๊ณผ (0.08ms, 33.4MB) ํ…Œ์ŠคํŠธ 6 ใ€‰ ํ†ต๊ณผ (0.31ms, 33.8MB) ํ…Œ..

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <์ฝœ๋ผ์ธ  ์ถ”์ธก>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12943 ๋‚ด ์ฝ”๋“œ def solution(num): count = 0 while num != 1: if num % 2 == 0: num = num / 2 count += 1 else: num = num * 3 +1 count += 1 if count >= 500: count = -1 break return count ์ฒ˜์Œ์— while num == 1 : ํ•ด์„œ ์‚ฝ์งˆํ•จ. num ์ด 1์ผ๋•Œ ๊นŒ์ง€๋ผ๊ธธ๋ž˜ == 1 ๋ฐ•์•„๋„ฃ์Œ. ๊ทผ๋ฐ ๊ณ„์† 0์ด ์ถœ๋ ฅ ๋˜๋Š”๊ฑฐ์ž„. num์€ ํ˜„์žฌ 1์ด ์•„๋‹˜ num == 1 => false => ๋ฐ˜๋ณต์•ˆ๋จ ๋‚ด๊ฐ€ ์ƒ๊ฐํ•œ๊ฒŒ ๋งž๊ฒ ์ง€? ..

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <์ˆ˜๋ฐ•์ˆ˜๋ฐ•์ˆ˜๋ฐ•์ˆ˜๋ฐ•์ˆ˜๋ฐ•์ˆ˜?>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12922 ๋‚ด ์ฝ”๋“œ def solution(n): an='' arr = ["์ˆ˜", "๋ฐ•"] button = True for i in range(n): if button: an += arr[0] button = False else: an += arr[1] button = True return an ๋‹ค๋“ค ๋‚˜๋ˆ„๊ธฐ ์“ฐ๋Š”๋ฐ ๋‚˜๋งŒ ๋˜ ์ผ์ฐจ์›์ ์ธ ์ƒ๊ฐํ•˜์ง€ ์šฐํ•˜ํ•˜ ํƒ€์ธ ์ฝ”๋“œ def solution(n): return "์ˆ˜๋ฐ•"*(n//2) + "์ˆ˜"*(n%2) ์ˆ˜๋ฐ• ํ•œ ๋ฉ์ด๋ฆฌ ์ˆ˜ ๋‚ฑ๊ฐœ ๋ฉ์–ด๋ฆฌ ํ•˜๋‚˜ ํƒ€์ธ์ฝ”๋“œ def solution(n): return ("์ˆ˜๋ฐ•"..

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <x๋งŒํผ ๊ฐ„๊ฒฉ์ด ์žˆ๋Š” n๊ฐœ์˜ ์ˆซ์ž>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12954 ๋‚˜์˜ ์ฝ”๋“œ def solution(x, n): an = [] plus = x for i in range(n): an.append(plus) plus += x return an - ๋ณ€ํ•˜๋Š” ์ˆ˜๋“ค์€ ๋ณ€์ˆ˜๋กœ ์ €์žฅํ•ด๋‘๋Š”๊ฒŒ ์•ˆ์ „ - x๋ฅผ ๋ฐ”๋กœ ๋Œ€์ž…ํ–ˆ์„ ๋•Œ ์˜ค๋ฅ˜๊ฐ€ ๋‚˜๋Š” ์ด์œ ๋Š”? ๋”ํ•ด์•ผํ•˜๋Š” x์˜ ๊ฐ’์€ ๋ณ€ํ•˜์ง€ ์•Š์•„์•ผ ํ•จ. ํƒ€์ธ์ฝ”๋“œ def number_generator(x, n): return [i * x + x for i in range(n)]

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <๋ฌธ์ž์—ด์„ ์ •์ˆ˜๋กœ ๋ฐ”๊พธ๊ธฐ>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12925 ๋‚˜์˜ ์ฝ”๋“œ def solution(s): return int(s) ์ด๊ฑธ ์›ํ•œ๊ฒŒ ์•„๋‹Œ ๊ฒƒ ๊ฐ™๊ธด ํ•ด?

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <ํ•˜์ƒค๋“œ ์ˆ˜>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12947 ๋‚˜์˜ ์ฝ”๋“œ def solution(x): answer = True sum = 0 arr = list(str(x)) for i in range(len(arr)): sum += int(arr[i]) if x % sum != 0: answer = False return answer ํƒ€์ธ ์ฝ”๋“œ def Harshad(n): return n % sum([int(c) for c in str(n)]) == 0 ํ•œ์ค„ ์ฝ”๋”ฉ ์ฐธ๊ณ : https://develop-su.tistory.com/108

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <์ •์ˆ˜ ๋‚ด๋ฆผ์ฐจ์ˆœ์œผ๋กœ ๋ฐฐ์น˜ํ•˜๊ธฐ>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12933 ๋‚˜์˜ ์ฝ”๋“œ def solution(n): s = str(n) an ="" arr = [] for i in range(len(s)): arr.append(s[i]) arr.sort(reverse=True) for i in range(len(arr)): an += arr[i] an = int(an) return an ์ •์ˆ˜๋กœ ์ž…๋ ฅ์„ ๋ฐ›์„๊ฑฐ๋‹ค (intํ˜•) ํ•˜๋‚˜ํ•˜๋‚˜ ๋‚˜๋ˆ ์ค˜์•ผํ•˜๋‹ˆ ๋ฆฌ์ŠคํŠธ ํ˜•ํƒœ๋กœ ๋งŒ๋“ค์–ด์„œ sortํ•˜๋ฉด ๋ ๊ฑฐ๋‹ค ๋ฐฐ์—ด์— ๋„ฃ์–ด์ฃผ๊ณ  ๋‚ด๋ฆผ์ฐจ์ˆœ ์ •๋ ฌํ•ด์ฃผ๊ณ  ๋ฌธ์ž์—ด ๋”ํ•˜๋Š” ๊ฑธ๋กœ ํ•ฉ์ณ์ฃผ๊ณ  ๋ฆฌํ„ด์„ ์ •์ˆ˜๋กœ ํ•ด์•ผํ•˜๋‹ˆ ํ˜•๋ณ€ํ™˜ ํ•ด์ฃผ๋ฉด ๋—. ํƒ€์ธ ์ฝ”๋“œ de..

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <๋ฌธ์ž์—ด ๋‚ด p์™€ y์˜ ๊ฐœ์ˆ˜>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12916 ์‹œ๋„ ์ฝ”๋“œ def solution(s): answer = True p = 0 y = 0 arr = list(s) for i in range(len(arr)): if arr[i] == "P" : p += 1 elif arr[i] == "p" : p += 1 elif arr[i] == "y": y += 1 elif arr[i] == "Y": y += 1 if y == p: answer = True else: answer = False return True ์ด๊ฑฐ ๋จ. ๊ทผ๋ฐ ๊ธฐ๋ณธ ์…‹ํŒ… ๊ฐ’์œผ๋กœ return ์ด True๋กœ ์„ค์ •๋˜์–ด ์žˆ์–ด์„œ ์‚ฝ์งˆ..

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <๋‚˜๋จธ์ง€๊ฐ€ 1์ด ๋˜๋Š” ์ˆ˜ ์ฐพ๊ธฐ>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/87389 ๋‚˜์˜ ์ฝ”๋“œ def solution(n): answer = 0 for i in range(1, n+1): if n % i == 1: answer = i break return answer

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <์ž๋ฆฟ์ˆ˜ ๋”ํ•˜๊ธฐ>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12931 ๋‚˜์˜ ์ฝ”๋“œ def solution(n): arr = str(n) an = 0 for i in range(len(arr)): an += int(arr[i]) return an ํƒ€์ธ ์ฝ”๋“œ def sum_digit(number): return sum(map(int,str(number)))

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต๋ฌธ์ œ <์ง์ˆ˜์™€ ํ™€์ˆ˜>

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต 1 ๋‹จ๊ณ„ ์—ฐ์Šต๋ฌธ์ œ Python3 https://school.programmers.co.kr/learn/courses/30/lessons/12928 ๋‚˜์˜ ์ฝ”๋“œ def solution(num): answer = '' if num % 2 == 0: answer = 'Even' else: answer = 'Odd' return answer ํƒ€์ธ ์ฝ”๋“œ def evenOrOdd(num): return "Even" if num%2 == 0 else "Odd"