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Problem Solution/Programmers 46

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฌธ์ž์—ด์•ˆ์— ๋ฌธ์ž์—ด

Problem Description ์ •์ˆ˜ n์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ n์˜ ๊ฐ ์ž๋ฆฌ ์ˆซ์ž์˜ ํ•ฉ์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š” Restrictions 0 ≤ n ≤ 1,000,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 1 + 2 + 3 + 4 = 10์„ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 9 + 3 + 0 + 2 + 1 + 1 = 16์„ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution(str1, str2) { return str1.includes(str2) ? 1 : 2 } Another solutions function solution(str1, str2) { return str1.split(str2).length > 1 ? 1 : 2 }..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์ž๋ฆฟ์ˆ˜ ๋”ํ•˜๊ธฐ

Problem Description ์ •์ˆ˜ ๋ฐฐ์—ด numbers๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. numbers์˜ ๊ฐ ์›์†Œ์— ๋‘๋ฐฐํ•œ ์›์†Œ๋ฅผ ๊ฐ€์ง„ ๋ฐฐ์—ด์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”.์ •์ˆ˜ n์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ n์˜ ๊ฐ ์ž๋ฆฌ ์ˆซ์ž์˜ ํ•ฉ์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š” Restrictions 0 ≤ n ≤ 1,000,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 1 + 2 + 3 + 4 = 10์„ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 9 + 3 + 0 + 2 + 1 + 1 = 16์„ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution(n) { let result = 0 let i; for (i = 0; i < (n.toString())..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฐฐ์—ด ๋‘๋ฐฐ ๋งŒ๋“ค๊ธฐ

Problem Description ์ •์ˆ˜ ๋ฐฐ์—ด numbers๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. numbers์˜ ๊ฐ ์›์†Œ์— ๋‘๋ฐฐํ•œ ์›์†Œ๋ฅผ ๊ฐ€์ง„ ๋ฐฐ์—ด์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions -10,000 ≤ numbers์˜ ์›์†Œ ≤ 10,000 1 ≤ numbers์˜ ๊ธธ์ด ≤ 1,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 [1, 2, 3, 4, 5]์˜ ๊ฐ ์›์†Œ์— ๋‘๋ฐฐ๋ฅผ ํ•œ ๋ฐฐ์—ด [2, 4, 6, 8, 10]์„ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 [1, 2, 100, -99, 1, 2, 3]์˜ ๊ฐ ์›์†Œ์— ๋‘๋ฐฐ๋ฅผ ํ•œ ๋ฐฐ์—ด [2, 4, 200, -198, 2, 4, 6]์„ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution(numbers) {..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฐฐ์—ด ์›์†Œ์˜ ๊ธธ์ด

Problem Description๋ฌธ์ž์—ด ๋ฐฐ์—ด strlist๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. strlist ๊ฐ ์›์†Œ์˜ ๊ธธ์ด๋ฅผ ๋‹ด์€ ๋ฐฐ์—ด์„ retrunํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions1 ≤ strlist ์›์†Œ์˜ ๊ธธ์ด ≤ 100strlist๋Š” ์•ŒํŒŒ๋ฒณ ์†Œ๋ฌธ์ž, ๋Œ€๋ฌธ์ž, ํŠน์ˆ˜๋ฌธ์ž๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค. Input/Output Example์ž…์ถœ๋ ฅ ์˜ˆ #1 ["We", "are", "the", "world!"]์˜ ๊ฐ ์›์†Œ์˜ ๊ธธ์ด์ธ [2, 3, 3, 6]์„ returnํ•ฉ๋‹ˆ๋‹ค.์ž…์ถœ๋ ฅ ์˜ˆ #2 ["I", "Love", "Programmers."]์˜ ๊ฐ ์›์†Œ์˜ ๊ธธ์ด์ธ [1, 4, 12]์„ returnํ•ฉ๋‹ˆ๋‹ค. My solutionfunction solution(strlist) {    var res..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์ง์ˆ˜ ํ™€์ˆ˜ ๊ฐœ์ˆ˜

Problem Description์ •์ˆ˜๊ฐ€ ๋‹ด๊ธด ๋ฆฌ์ŠคํŠธ num_list๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ, num_list์˜ ์›์†Œ ์ค‘ ์ง์ˆ˜์™€ ํ™€์ˆ˜์˜ ๊ฐœ์ˆ˜๋ฅผ ๋‹ด์€ ๋ฐฐ์—ด์„ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions1 ≤ num_list์˜ ๊ธธ์ด ≤ 1000 ≤ num_list์˜ ์›์†Œ ≤ 1,000 Input/Output Example์ž…์ถœ๋ ฅ ์˜ˆ #1 [1, 2, 3, 4, 5]์—๋Š” ์ง์ˆ˜๊ฐ€ 2, 4๋กœ ๋‘ ๊ฐœ, ํ™€์ˆ˜๊ฐ€ 1, 3, 5๋กœ ์„ธ ๊ฐœ ์žˆ์Šต๋‹ˆ๋‹ค.์ž…์ถœ๋ ฅ ์˜ˆ #2 [1, 3, 5, 7]์—๋Š” ์ง์ˆ˜๊ฐ€ ์—†๊ณ  ํ™€์ˆ˜๊ฐ€ ๋„ค ๊ฐœ ์žˆ์Šต๋‹ˆ๋‹ค. My solutionfunction solution(num_list) {    let result = []    const even = num_list.filter((x) =..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์•„์ด์Šค ์•„๋ฉ”๋ฆฌ์นด๋…ธ

Problem Description๋จธ์“ฑ์ด๋Š” ์ถ”์šด ๋‚ ์—๋„ ์•„์ด์Šค ์•„๋ฉ”๋ฆฌ์นด๋…ธ๋งŒ ๋งˆ์‹ญ๋‹ˆ๋‹ค. ์•„์ด์Šค ์•„๋ฉ”๋ฆฌ์นด๋…ธ๋Š” ํ•œ์ž”์— 5,500์›์ž…๋‹ˆ๋‹ค. ๋จธ์“ฑ์ด๊ฐ€ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ๋ˆ money๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, ๋จธ์“ฑ์ด๊ฐ€ ์ตœ๋Œ€๋กœ ๋งˆ์‹ค ์ˆ˜ ์žˆ๋Š” ์•„๋ฉ”๋ฆฌ์นด๋…ธ์˜ ์ž” ์ˆ˜์™€ ๋‚จ๋Š” ๋ˆ์„ ์ˆœ์„œ๋Œ€๋กœ ๋‹ด์€ ๋ฐฐ์—ด์„ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions0  Input/Output Example์ž…์ถœ๋ ฅ ์˜ˆ #1 5,500์›์€ ์•„์ด์Šค ์•„๋ฉ”๋ฆฌ์นด๋…ธ ํ•œ ์ž”์„ ์‚ด ์ˆ˜ ์žˆ๊ณ  ์ž”๋ˆ์€ 0์›์ž…๋‹ˆ๋‹ค.์ž…์ถœ๋ ฅ ์˜ˆ #2 15,000์›์€ ์•„์ด์Šค ์•„๋ฉ”๋ฆฌ์นด๋…ธ ๋‘ ์ž”์„ ์‚ด ์ˆ˜ ์žˆ๊ณ  ์ž”๋ˆ์€ 4,000์›์ž…๋‹ˆ๋‹ค. My solutionfunction solution(money) {    return [Math.floor(money / 5500..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ์˜ท๊ฐ€๊ฒŒ ํ• ์ธ ๋ฐ›๊ธฐ

Problem Description ๋จธ์“ฑ์ด๋„ค ์˜ท๊ฐ€๊ฒŒ๋Š” 10๋งŒ ์› ์ด์ƒ ์‚ฌ๋ฉด 5%, 30๋งŒ ์› ์ด์ƒ ์‚ฌ๋ฉด 10%, 50๋งŒ ์› ์ด์ƒ ์‚ฌ๋ฉด 20%๋ฅผ ํ• ์ธํ•ด์ค๋‹ˆ๋‹ค. ๊ตฌ๋งคํ•œ ์˜ท์˜ ๊ฐ€๊ฒฉ price๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ, ์ง€๋ถˆํ•ด์•ผ ํ•  ๊ธˆ์•ก์„ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 10 ≤ price ≤ 1,000,000 price๋Š” 10์› ๋‹จ์œ„๋กœ(1์˜ ์ž๋ฆฌ๊ฐ€ 0) ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. ์†Œ์ˆ˜์  ์ดํ•˜๋ฅผ ๋ฒ„๋ฆฐ ์ •์ˆ˜๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 150,000์›์—์„œ 5%๋ฅผ ํ• ์ธํ•œ 142,500์›์„ return ํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 580,000์›์—์„œ 20%๋ฅผ ํ• ์ธํ•œ 464,000์›์„ return ํ•ฉ๋‹ˆ๋‹ค. My solution function soluti..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ๋ฐฐ์—ด ์ž๋ฅด๊ธฐ

Problem Description ์ •์ˆ˜ ๋ฐฐ์—ด numbers์™€ ์ •์ˆ˜ num1, num2๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์งˆ ๋•Œ, numbers์˜ num1๋ฒˆ ์งธ ์ธ๋ฑ์Šค๋ถ€ํ„ฐ num2๋ฒˆ์งธ ์ธ๋ฑ์Šค๊นŒ์ง€ ์ž๋ฅธ ์ •์ˆ˜ ๋ฐฐ์—ด์„ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด๋ณด์„ธ์š”. Restrictions 2 ≤ numbers์˜ ๊ธธ์ด ≤ 30 0 ≤ numbers์˜ ์›์†Œ ≤ 1,000 0 ≤num1

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

Problem Description ๋ฌธ์ž์—ด my_string์ด ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. my_string์„ ๊ฑฐ๊พธ๋กœ ๋’ค์ง‘์€ ๋ฌธ์ž์—ด์„ returnํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions 1 ≤ my_string์˜ ๊ธธ์ด ≤ 1,000 0 ≤ num_list์˜ ์›์†Œ ≤ 1,000 Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 my_string์ด "jaron"์ด๋ฏ€๋กœ ๊ฑฐ๊พธ๋กœ ๋’ค์ง‘์€ "noraj"๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 my_string์ด "bread"์ด๋ฏ€๋กœ ๊ฑฐ๊พธ๋กœ ๋’ค์ง‘์€ "daerb"๋ฅผ returnํ•ฉ๋‹ˆ๋‹ค. My solution function solution(my_string) { let result = '' let step = 0 for (step = 0; step ..

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค/JS] ํŽธ์ง€

Problem Description ๋จธ์“ฑ์ด๋Š” ํ• ๋จธ๋‹ˆ๊ป˜ ์ƒ์‹  ์ถ•ํ•˜ ํŽธ์ง€๋ฅผ ์“ฐ๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ํ• ๋จธ๋‹ˆ๊ฐ€ ๋ณด์‹œ๊ธฐ ํŽธํ•˜๋„๋ก ๊ธ€์ž ํ•œ ์ž ํ•œ ์ž๋ฅผ ๊ฐ€๋กœ 2cm ํฌ๊ธฐ๋กœ ์ ์œผ๋ ค๊ณ  ํ•˜๋ฉฐ, ํŽธ์ง€๋ฅผ ๊ฐ€๋กœ๋กœ๋งŒ ์ ์„ ๋•Œ, ์ถ•ํ•˜ ๋ฌธ๊ตฌ message๋ฅผ ์ ๊ธฐ ์œ„ํ•ด ํ•„์š”ํ•œ ํŽธ์ง€์ง€์˜ ์ตœ์†Œ ๊ฐ€๋กœ๊ธธ์ด๋ฅผ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”. Restrictions ๊ณต๋ฐฑ๋„ ํ•˜๋‚˜์˜ ๋ฌธ์ž๋กœ ์ทจ๊ธ‰ํ•ฉ๋‹ˆ๋‹ค. 1 ≤ message์˜ ๊ธธ์ด ≤ 50 ํŽธ์ง€์ง€์˜ ์—ฌ๋ฐฑ์€ ์ƒ๊ฐํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. message๋Š” ์˜๋ฌธ ์•ŒํŒŒ๋ฒณ ๋Œ€์†Œ๋ฌธ์ž, ‘!’, ‘~’ ๋˜๋Š” ๊ณต๋ฐฑ์œผ๋กœ๋งŒ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค. Input/Output Example ์ž…์ถœ๋ ฅ ์˜ˆ #1 message์˜ ๊ธ€์ž ์ˆ˜๊ฐ€ 15๊ฐœ๋กœ ์ตœ์†Œ ๊ฐ€๋กœ 30cm์˜ ํŽธ์ง€์ง€๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ #2 message์˜ ๊ธ€..

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