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Problem Solution/Programmers 46

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฐฐ์—ด ๋’ค์ง‘๊ธฐ

Problem Description ์ •์ˆ˜๊ฐ€ ๋“ค์–ด ์žˆ๋Š” ๋ฐฐ์—ด num_list๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. num_list์˜ ์›์†Œ์˜ ์ˆœ์„œ๋ฅผ ๊ฑฐ๊พธ๋กœ ๋’ค์ง‘์€ ๋ฐฐ์—ด์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 1 ≤ num_list์˜ ๊ธธ์ด ≤ 1,000 0 ≤ num_list์˜ ์›์†Œ ≤ 1,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 num_list๊ฐ€ [1, 2, 3, 4, 5]์ด๋ฏ€๋กœ ์ˆœ์„œ๋ฅผ ๊ฑฐ๊พธ๋กœ ๋’ค์ง‘์€ ๋ฐฐ์—ด [5, 4, 3, 2, 1]์„ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 num_list๊ฐ€ [1, 1, 1, 1, 1, 2]์ด๋ฏ€๋กœ ์ˆœ์„œ๋ฅผ ๊ฑฐ๊พธ๋กœ ๋’ค์ง‘์€ ๋ฐฐ์—ด [2, 1, 1, 1, 1, 1]์„ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๊ฐ๋„๊ธฐ

Problem Description ๊ฐ์—์„œ 0๋„ ์ดˆ๊ณผ 90๋„ ๋ฏธ๋งŒ์€ ์˜ˆ๊ฐ, 90๋„๋Š” ์ง๊ฐ, 90๋„ ์ดˆ๊ณผ 180๋„ ๋ฏธ๋งŒ์€ ๋‘”๊ฐ 180๋„๋Š” ํ‰๊ฐ์œผ๋กœ ๋ถ„๋ฅ˜ํ•ฉ๋‹ˆ๋‹ค. ๊ฐ angle์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ ์˜ˆ๊ฐ์ผ ๋•Œ 1, ์ง๊ฐ์ผ ๋•Œ 2, ๋‘”๊ฐ์ผ ๋•Œ 3, ํ‰๊ฐ์ผ ๋•Œ 4๋ฅผ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 0 angle์ด 0๋ณด๋‹ค ํฌ๊ณ  90๋ณด๋‹ค ์ž‘์€ ๊ฒฝ์šฐ์— ์กฐ๊ฑด์ด ์ฐธ์ด ๋จ Another solutions function solution(angle) { return [0, 90, 91, 180].filter(x => angle>=x).length; } function solution(angle) { return angle < 90 ? 1 : angle === 90 ? 2 : a..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์–‘๊ผฌ์น˜

Problem Description ๋จธ์“ฑ์ด๋„ค ์–‘๊ผฌ์น˜ ๊ฐ€๊ฒŒ๋Š” 10์ธ๋ถ„์„ ๋จน์œผ๋ฉด ์Œ๋ฃŒ์ˆ˜ ํ•˜๋‚˜๋ฅผ ์„œ๋น„์Šค๋กœ ์ค๋‹ˆ๋‹ค. ์–‘๊ผฌ์น˜๋Š” 1์ธ๋ถ„์— 12,000์›, ์Œ๋ฃŒ์ˆ˜๋Š” 2,000์›์ž…๋‹ˆ๋‹ค. ์ •์ˆ˜ n๊ณผ k๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์กŒ์„ ๋•Œ, ์–‘๊ผฌ์น˜ n์ธ๋ถ„๊ณผ ์Œ๋ฃŒ์ˆ˜ k๊ฐœ๋ฅผ ๋จน์—ˆ๋‹ค๋ฉด ์ด์–ผ๋งˆ๋ฅผ ์ง€๋ถˆํ•ด์•ผ ํ•˜๋Š”์ง€ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 0

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฐฐ์—ด์˜ ํ‰๊ท ๊ฐ’

Problem Description ์ •์ˆ˜ ๋ฐฐ์—ด numbers๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. numbers์˜ ์›์†Œ์˜ ํ‰๊ท ๊ฐ’์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 0 ≤ numbers์˜ ์›์†Œ ≤ 1,000 1 ≤ numbers์˜ ๊ธธ์ด ≤ 100 ์ •๋‹ต์˜ ์†Œ์ˆ˜ ๋ถ€๋ถ„์ด .0 ๋˜๋Š” .5์ธ ๊ฒฝ์šฐ๋งŒ ์ž…๋ ฅ์œผ๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 num1์ด 3, num2๊ฐ€ 2์ด๋ฏ€๋กœ 3์„ 2๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€ 1์„ return ํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 num1์ด 10, num2๊ฐ€ 5์ด๋ฏ€๋กœ 10์„ 5๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€ 0์„ return ํ•ฉ๋‹ˆ๋‹ค. My solution function solution(numbers) { const ret = numbers.reduce(..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋‚˜๋จธ์ง€ ๊ตฌํ•˜๊ธฐ

Problem Description ์ •์ˆ˜ num1, num2๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, num1๋ฅผ num2๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€๋ฅผ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 0 num1%num2 Reference: https://school.programmers.co.kr/learn/courses/30/le..

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