๋ฐ˜์‘ํ˜•

Problem Solution 46

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์ง์ˆ˜๋Š” ์‹ซ์–ด์š”

Problem Description ์ •์ˆ˜ n์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, n ์ดํ•˜์˜ ํ™€์ˆ˜๊ฐ€ ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ๋‹ด๊ธด ๋ฐฐ์—ด์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 1 ≤ n ≤ 100 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 10 ์ดํ•˜์˜ ํ™€์ˆ˜๊ฐ€ ๋‹ด๊ธด ๋ฐฐ์—ด [1, 3, 5, 7, 9]๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 15 ์ดํ•˜์˜ ํ™€์ˆ˜๊ฐ€ ๋‹ด๊ธด ๋ฐฐ์—ด [1, 3, 5, 7, 9, 11, 13, 15]๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution(n) { let array = []; let i for (i = 0; i x%2 == 1) } Another solutions function solution(n) { var answer = [..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์ˆจ์–ด์žˆ๋Š” ์ˆซ์ž์˜ ๋ง์…ˆ (1)

Problem Description ๋ฌธ์ž์—ด my_string์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. my_string์•ˆ์˜ ๋ชจ๋“  ์ž์—ฐ์ˆ˜๋“ค์˜ ํ•ฉ์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 1 ≤ my_string์˜ ๊ธธ์ด ≤ 1,000 my_string์€ ์†Œ๋ฌธ์ž, ๋Œ€๋ฌธ์ž ๊ทธ๋ฆฌ๊ณ  ํ•œ์ž๋ฆฌ ์ž์—ฐ์ˆ˜๋กœ๋งŒ ๊ตฌ์„ฑ๋˜์–ด์žˆ์Šต๋‹ˆ๋‹ค. Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ # "aAb1B2cC34oOp"์•ˆ์˜ ํ•œ์ž๋ฆฌ ์ž์—ฐ์ˆ˜๋Š” 1, 2, 3, 4 ์ž…๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ 1 + 2 + 3 + 4 = 10 ์„ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 "1a2b3c4d123Z"์•ˆ์˜ ํ•œ์ž๋ฆฌ ์ž์—ฐ์ˆ˜๋Š” 1, 2, 3, 4, 1, 2, 3 ์ž…๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ 1 + 2 + 3 + 4 + 1 + 2 + 3 = 16 ์„ returnํ•ฉ..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋จธ์“ฑ์ด๋ณด๋‹ค ํ‚ค ํฐ ์‚ฌ๋žŒ

Problem Description ๋‘ ๋ฐฐ์—ด์ด ์–ผ๋งˆ๋‚˜ ์œ ์‚ฌํ•œ์ง€ ํ™•์ธํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋ฌธ์ž์—ด ๋ฐฐ์—ด s1๊ณผ s2๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ ๊ฐ™์€ ์›์†Œ์˜ ๊ฐœ์ˆ˜๋ฅผ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”.๋จธ์“ฑ์ด๋Š” ํ•™๊ต์—์„œ ํ‚ค ์ˆœ์œผ๋กœ ์ค„์„ ์„ค ๋•Œ ๋ช‡ ๋ฒˆ์งธ๋กœ ์„œ์•ผ ํ•˜๋Š”์ง€ ๊ถ๊ธˆํ•ด์กŒ์Šต๋‹ˆ๋‹ค. ๋จธ์“ฑ์ด๋„ค ๋ฐ˜ ์นœ๊ตฌ๋“ค์˜ ํ‚ค๊ฐ€ ๋‹ด๊ธด ์ •์ˆ˜ ๋ฐฐ์—ด array์™€ ๋จธ์“ฑ์ด์˜ ํ‚ค height๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, ๋จธ์“ฑ์ด๋ณด๋‹ค ํ‚ค ํฐ ์‚ฌ๋žŒ ์ˆ˜๋ฅผ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 1 ≤ array์˜ ๊ธธ์ด ≤ 100 1 ≤ height ≤ 200 1 ≤ array์˜ ์›์†Œ ≤ 200 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 149, 180, 192, 170 ์ค‘ ๋จธ์“ฑ์ด๋ณด๋‹ค ํ‚ค๊ฐ€ ํฐ ์‚ฌ๋žŒ์€ 1..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์ตœ๋Œ“๊ฐ’ ๋งŒ๋“ค๊ธฐ (1)

Problem Description ์ •์ˆ˜๊ฐ€ ๋‹ด๊ธด ๋ฐฐ์—ด array์™€ ์ •์ˆ˜ n์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, array์— n์ด ๋ช‡ ๊ฐœ ์žˆ๋Š” ์ง€๋ฅผ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 1 ≤ array์˜ ๊ธธ์ด ≤ 100 0 ≤ array์˜ ์›์†Œ ≤ 1,000 0 ≤ n ≤ 1,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 [1, 1, 2, 3, 4, 5] ์—๋Š” 1์ด 2๊ฐœ ์žˆ์Šต๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 [0, 2, 3, 4] ์—๋Š” 1์ด 0๊ฐœ ์žˆ์Šต๋‹ˆ๋‹ค. My solution function solution(numbers) { const sortArray = numbers.sort((a, b) => b-a) return sortArray[0] * sortArray[1..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์ค‘๋ณต๋œ ์ˆซ์ž ๊ฐœ์ˆ˜

Problem Description ์ •์ˆ˜๊ฐ€ ๋‹ด๊ธด ๋ฐฐ์—ด array์™€ ์ •์ˆ˜ n์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, array์— n์ด ๋ช‡ ๊ฐœ ์žˆ๋Š” ์ง€๋ฅผ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 1 ≤ array์˜ ๊ธธ์ด ≤ 100 0 ≤ array์˜ ์›์†Œ ≤ 1,000 0 ≤ n ≤ 1,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 [1, 1, 2, 3, 4, 5] ์—๋Š” 1์ด 2๊ฐœ ์žˆ์Šต๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 [0, 2, 3, 4] ์—๋Š” 1์ด 0๊ฐœ ์žˆ์Šต๋‹ˆ๋‹ค. My solution function solution(array, n) { return array.filter((x) => x == n).length } https://school.programmers.co.kr/l..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฐฐ์—ด์˜ ์œ ์‚ฌ๋„

Problem Description ๋‘ ๋ฐฐ์—ด์ด ์–ผ๋งˆ๋‚˜ ์œ ์‚ฌํ•œ์ง€ ํ™•์ธํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋ฌธ์ž์—ด ๋ฐฐ์—ด s1๊ณผ s2๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ ๊ฐ™์€ ์›์†Œ์˜ ๊ฐœ์ˆ˜๋ฅผ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 1 ≤ s1, s2์˜ ๊ธธ์ด ≤ 100 1 ≤ s1, s2์˜ ์›์†Œ์˜ ๊ธธ์ด ≤ 10 s1๊ณผ s2์˜ ์›์†Œ๋Š” ์•ŒํŒŒ๋ฒณ ์†Œ๋ฌธ์ž๋กœ๋งŒ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค s1๊ณผ s2๋Š” ๊ฐ๊ฐ ์ค‘๋ณต๋œ ์›์†Œ๋ฅผ ๊ฐ–์ง€ ์•Š์Šต๋‹ˆ๋‹ค. Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 "b"์™€ "c"๊ฐ€ ๊ฐ™์œผ๋ฏ€๋กœ 2๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 ๊ฐ™์€ ์›์†Œ๊ฐ€ ์—†์œผ๋ฏ€๋กœ 0์„ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution(s1, s2) { return s1.filter(el => s2.includes(e..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ํ”ผ์ž ๋‚˜๋ˆ  ๋จน๊ธฐ (1)

Problem Description ๋จธ์“ฑ์ด๋„ค ํ”ผ์ž๊ฐ€๊ฒŒ๋Š” ํ”ผ์ž๋ฅผ ์ผ๊ณฑ ์กฐ๊ฐ์œผ๋กœ ์ž˜๋ผ ์ค๋‹ˆ๋‹ค. ํ”ผ์ž๋ฅผ ๋‚˜๋ˆ ๋จน์„ ์‚ฌ๋žŒ์˜ ์ˆ˜ n์ด ์ฃผ์–ด์งˆ ๋•Œ, ๋ชจ๋“  ์‚ฌ๋žŒ์ด ํ”ผ์ž๋ฅผ ํ•œ ์กฐ๊ฐ ์ด์ƒ ๋จน๊ธฐ ์œ„ํ•ด ํ•„์š”ํ•œ ํ”ผ์ž์˜ ์ˆ˜๋ฅผ return ํ•˜๋Š” solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 1 ≤ n ≤ 100 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 7๋ช…์ด ์ตœ์†Œ ํ•œ ์กฐ๊ฐ์”ฉ ๋จน๊ธฐ ์œ„ํ•ด์„œ ์ตœ์†Œ 1ํŒ์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 1๋ช…์€ ์ตœ์†Œ ํ•œ ์กฐ๊ฐ์„ ๋จน๊ธฐ ์œ„ํ•ด 1ํŒ์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 15๋ช…์ด ์ตœ์†Œ ํ•œ ์กฐ๊ฐ์”ฉ ๋จน๊ธฐ ์œ„ํ•ด์„œ ์ตœ์†Œ 3ํŒ์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. My solution function solution(n) { if ((n % 7) >= 0) { return Math.ceil(n/7) } } An..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์‚ผ๊ฐํ˜•์˜ ์™„์„ฑ์กฐ๊ฑด (1)

Problem Description ์„ ๋ถ„ ์„ธ ๊ฐœ๋กœ ์‚ผ๊ฐํ˜•์„ ๋งŒ๋“ค๊ธฐ ์œ„ํ•ด์„œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์กฐ๊ฑด์„ ๋งŒ์กฑํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๊ฐ€์žฅ ๊ธด ๋ณ€์˜ ๊ธธ์ด๋Š” ๋‹ค๋ฅธ ๋‘ ๋ณ€์˜ ๊ธธ์ด์˜ ํ•ฉ๋ณด๋‹ค ์ž‘์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์‚ผ๊ฐํ˜•์˜ ์„ธ ๋ณ€์˜ ๊ธธ์ด๊ฐ€ ๋‹ด๊ธด ๋ฐฐ์—ด sides์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. ์„ธ ๋ณ€์œผ๋กœ ์‚ผ๊ฐํ˜•์„ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋‹ค๋ฉด 1, ๋งŒ๋“ค ์ˆ˜ ์—†๋‹ค๋ฉด 2๋ฅผ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions sides์˜ ์›์†Œ๋Š” ์ž์—ฐ์ˆ˜์ž…๋‹ˆ๋‹ค. sides์˜ ๊ธธ์ด๋Š” 3์ž…๋‹ˆ๋‹ค. 1 ≤ sides์˜ ์›์†Œ ≤ 1,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 ๊ฐ€์žฅ ํฐ ๋ณ€์ธ 3์ด ๋‚˜๋จธ์ง€ ๋‘ ๋ณ€์˜ ํ•ฉ 3๊ณผ ๊ฐ™์œผ๋ฏ€๋กœ ์‚ผ๊ฐํ˜•์„ ์™„์„ฑํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ 2๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 ๊ฐ€์žฅ ํฐ ๋ณ€์ธ 6์ด ๋‚˜๋จธ์ง€ ๋‘ ..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฌธ์ž ๋ฐ˜๋ณต ์ถœ๋ ฅํ•˜๊ธฐ

Problem Description ๋ฌธ์ž์—ด my_string๊ณผ ์ •์ˆ˜ n์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, my_string์— ๋“ค์–ด์žˆ๋Š” ๊ฐ ๋ฌธ์ž๋ฅผ n๋งŒํผ ๋ฐ˜๋ณตํ•œ ๋ฌธ์ž์—ด์„ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 2 ≤ my_string ๊ธธ์ด ≤ 5 2 ≤ n ≤ 10 "my_string"์€ ์˜์–ด ๋Œ€์†Œ๋ฌธ์ž๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค. Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 "hello"์˜ ๊ฐ ๋ฌธ์ž๋ฅผ ์„ธ ๋ฒˆ์”ฉ ๋ฐ˜๋ณตํ•œ "hhheeellllllooo"๋ฅผ return ํ•ฉ๋‹ˆ๋‹ค. My solution function solution(my_string, n) { return (my_string.split("").map((x) => x.repeat(n))).join('') } Anot..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ํŠน์ • ๋ฌธ์ž ์ œ๊ฑฐํ•˜๊ธฐ

Problem Description ๋ฌธ์ž์—ด my_string๊ณผ ๋ฌธ์ž letter์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. my_string์—์„œ letter๋ฅผ ์ œ๊ฑฐํ•œ ๋ฌธ์ž์—ด์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 1 ≤ my_string์˜ ๊ธธ์ด ≤ 100 letter์€ ๊ธธ์ด๊ฐ€ 1์ธ ์˜๋ฌธ์ž์ž…๋‹ˆ๋‹ค. my_string๊ณผ letter์€ ์•ŒํŒŒ๋ฒณ ๋Œ€์†Œ๋ฌธ์ž๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค. ๋Œ€๋ฌธ์ž์™€ ์†Œ๋ฌธ์ž๋ฅผ ๊ตฌ๋ถ„ํ•ฉ๋‹ˆ๋‹ค. Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 "abcdef" ์—์„œ "f"๋ฅผ ์ œ๊ฑฐํ•œ "abcde"๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 "BCBdbe" ์—์„œ "B"๋ฅผ ๋ชจ๋‘ ์ œ๊ฑฐํ•œ "Cdbe"๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution(my_string..

๋ฐ˜์‘ํ˜•