๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๋ถ„๋ฅ˜ ์ „์ฒด๋ณด๊ธฐ

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[์ปจํผ๋Ÿฐ์Šค] TEOConf ํ…Œ์˜ค์ฝ˜ ์ œ2ํšŒ ์ฐธ์„ ํ›„๊ธฐ ๐Ÿธ ์ž์„ธํ•œ ํ–‰์‚ฌ ์•ˆ๋‚ด๋Š” ์ ํ• ํŽ˜์ด์ง€์—์„œ ๐Ÿ‘‰ https://www.jumpit.co.kr/contents/428 ์ ํ• ๊ฐœ๋ฐœ์ž ์ปค๋ฆฌ์–ด ์ ํ”„, ์ ํ• www.jumpit.co.kr ๋‚˜์˜ ์ฒซ ๊ฐœ๋ฐœ ์ปจํผ๋Ÿฐ์Šค ์ง€ํ•˜์ฒ ์„ ํƒ€๊ณ  ์ง‘์— ์˜ฌ ๋•Œ๊นŒ์ง€๋งŒ ํ•ด๋„ ์—ฌ์šด์ด ์ž”์ž”ํ•˜๊ฒŒ ๋‚จ์•„์žˆ์—ˆ๋Š”๋ฐ, ๋ง‰์ƒ ์ง‘์— ์™€์„œ ์ปดํ“จํ„ฐ ์•ž์— ์•‰์œผ๋‹ˆ ์กธ์Œ์ด ๋ชฐ๋ ค์˜จ๋‹ค. ์š” ๊ทผ๋ž˜ ์‹ ๊ธฐํ•œ ๊ฒฝํ—˜์„ ๋งŽ์ด ํ–ˆ๋‹ค. ๋งˆ์น˜ ๋ˆ„๊ตฐ๊ฐ€ ๊ฐœ๋ฐœ์ž๊ฐ€ ๋˜๋Š” ๊ธธ์— ๋ฉ๊ทธ๋Ÿฌ๋‹ˆ ์„œ์žˆ๋Š” ๋‚˜๋ฅผ ์œ„ํ•ด ๋ง‰ํžŒ ๋ฌธ์„ ํ•˜๋‚˜์”ฉ ์—ด์–ด์ฃผ๋Š” ๊ฒƒ ๊ฐ™๋‹ค. ์ง€๋‚œ์ฃผ์˜ ํ…Œ์˜ค ์Šคํ”„๋ฆฐํŠธ๊ฐ€ ๊ทธ๋Ÿฌํ–ˆ๊ณ , ์ดํ›„์— ๋‚˜๋ˆด๋˜ ์‚ฌ๋žŒ๋“ค๊ณผ์˜ ์ด์•ผ๊ธฐ๋„ ๊ทธ๋Ÿฌํ–ˆ๊ณ , ์–ด์ œ ์ƒˆ๋ฒฝ์— ๋งˆ์ƒท๋‹˜, ์œค๋‹˜๊ณผ์˜ ์ด์•ผ๊ธฐ๋„ ์‚ถ์˜ ์˜๋ฏธ๋ฅผ ์ฃผ๊ธฐ์— ์ถฉ๋ถ„ํ–ˆ๋‹ค. (์ œ์ผ ์ข‹์•˜๋˜ ์ด์•ผ๊ธฐ๋Š” ์ตœ๊ณ  ๋ฒ„์ „์˜ ๋‚ด๊ฐ€ ๋˜๋Š” ๊ฒƒ์„ ๋ชฉ์ ์œผ๋กœ ํ•˜๋ฉด ์–ด๋– ๋ƒ๋Š” ๋งˆ์ƒท๋‹˜์˜ ์ด์•ผ๊ธฐ์˜€๋‹ค.) ์˜ค๋Š˜์€ ์ •๋ง ์ˆœ๋„..
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[์•Œ๊ณ ๋ฆฌ์ฆ˜ || ๋ฐฑ์ค€ JS] 1676 ํŒฉํ† ๋ฆฌ์–ผ 0์˜ ๊ฐœ์ˆ˜ ์ฒ˜์Œ์—” ํŒฉํ† ๋ฆฌ์–ผ์ด ๋ญ๋”๋ผ ํ•˜๊ณ  ์ฐพ์•„๋ดค๊ณ , 1 ~ ์–ด๋–ค ์ˆ˜ N๊นŒ์ง€ ๋‹ค ๊ณฑํ•œ ๊ฐ’ = N! ์„ ์ด๋ ‡๊ฒŒ ํŽ™ํ† ๋ฆฌ์–ผ๋กœ ํ‘œ์‹œํ•œ๋‹ค๊ณ  ํ•œ๋‹ค. ๋ฌธ์ œ์—์„œ๋„ ์ข€ ์•Œ๋ ค์คฌ์œผ๋ฉด ์ข‹๊ฒ ๋„ค.. ๋ฌดํŠผ ์ฒ˜์Œ์— const fs = require("fs"); let input = fs.readFileSync('./dev/stdin').toString().trim().split("\n").map(v => v.replace("\r", "")); let facto = 1; for (let i = 1; i v.replace("\r", "")); let facto = 1; for (let i = 1; i
[์•Œ๊ณ ๋ฆฌ์ฆ˜ || ๋ฐฑ์ค€] 10250 ACM ํ˜ธํ…” JS let input = require('fs').readFileSync('./dev/stdin').toString().trim().split("\n").map(v => v.replace("\r", "")); const N = +input[0]; for (let i = 1; i
[์•Œ๊ณ ๋ฆฌ์ฆ˜ || ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ์ˆซ์ž ๋ฌธ์ž์—ด๊ณผ ์˜๋‹จ์–ด ํ’€๋ฉด์„œ ์ •๋ฆฌ๋ฅผ ์•ˆํ–ˆ๋”๋‹ˆ ๋”์šฑ ๊นŒ๋จน๋Š” ๋Š๋‚Œ์ด ๋“œ๋„ค. ์š”์ฆ˜์€ ๋ฆฌ์•กํŠธ ์ฑŒ๋ฆฐ์ง€ ํ•˜๋Š๋ผ ๋„ˆ๋ฌด ์‹œ๊ฐ„์ด ๋ถ€์กฑํ•œ ๋Š๋‚Œ์ด๋‹ค. ๋ญ, ๊ณ„ํšํ•œ ๊ฑธ ๋‹ค ์ง€ํ‚ค์ง€ ๋ชปํ•ด๋„ ํ•˜๋ฃจ๋ฅผ ๊ฝ‰๊ฝ‰ ์ฑ„์›Œ์„œ ์—ด์‹ฌํžˆ ํ•ด๋ณด์ž. function solution(s) { const numChart = { "zero": 0, "one": 1, "two": 2, "three": 3, "four": 4, "five": 5, "six": 6, "seven": 7, "eight": 8, "nine": 9 } let word = ''; return Number([...s].map(char => { if (char == Number(char)) { return char; } else { word += char; const number = numChart[word]; ..
[์•Œ๊ณ ๋ฆฌ์ฆ˜ || ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] 3์ง„๋ฒ• ๋’ค์ง‘๊ธฐ ์˜ค.. ์–ด์ €๊ป˜ ์ฝ”ํ…Œ๋ฅผ ๋ณด๊ณ  ์™”๋”๋‹ˆ, ๋ชจ๋“  ์ฝ”ํ…Œ๊ฐ€ ๊ฐ‘์ž๊ธฐ ์–ด๋ ต๊ฒŒ ๋Š๊ปด์ง„๋‹ค. ์‹œ๊ฐ„ ๋ถ„๋ฐฐ๋„ ํ•ด์•ผํ•˜์ง€๋งŒ, ์–ด๋–ค ๋ฉ”์„œ๋“œ๋ฅผ ์–ด๋””์— ์ •ํ™•ํžˆ ์“ฐ๋Š”์ง€ ์•Œ๊ณ  ์žˆ์–ด์•ผ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐ์ด ๋“ค์—ˆ๋‹ค. VSC ์—์„œ ํ‘ธ๋Š” ๊ฒƒ๋„ ๊ทธ๋งŒํ•ด์•ผ๊ฒ ๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ๋‹ค. ํ›„ ์‰ฝ์ง€ ์•Š๊ตฌ๋งŒ! ๋„ˆ๋ฌด ์•ˆ์ผํ•˜๊ฒŒ (ํ•˜์ง€๋งŒ ์ฆ๊ฒ๊ฒŒ) ๋ฌธ์ œ๋ฅผ ํ’€์–ด์™”๋‹ค. ์˜ค๋Š˜๋„ ๋ฉ”์„œ๋“œ ์—†์œผ๋‹ˆ๊นŒ ์–ด๋–ป๊ฒŒ ๊ตฌํ˜„ํ•ด์•ผํ•˜๋‚˜.... ๊ดœํžˆ ๋ฉ˜๋ถ•์ด ์™”๋‹ค. ์ง„๋ฒ•๊ฐ™์€ ๊ฒฝ์šฐ๋Š” ๋ฐ˜๋ณต๋ฌธ์œผ๋กœ ๊ตฌํ•˜๋ฉด ๋ณต์žกํ•ด์ง€๊ณ  ์‹์ด ๋งŽ์•„์ง€๋‹ˆ, 10 -> ๋‹ค๋ฅธ ์ง„๋ฒ• / ๋‹ค๋ฅธ ์ง„๋ฒ• -> ์ •์ˆ˜(10์ง„๋ฒ•) ์œผ๋กœ ๋˜๋Œ๋ฆฌ๋Š” ๊ฑธ ์™ธ์›Œ๋‘๋Š” ๊ฒŒ ์ข‹์„ ๋“ฏ ํ•˜๋‹ค. function solution(n) { const reversed = n.toString(3).split("").reverse().join(""); return parseInt(reverse..
[์•Œ๊ณ ๋ฆฌ์ฆ˜ || ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ์ตœ๋Œ€๊ณต์•ฝ์ˆ˜์™€ ์ตœ์†Œ๊ณต๋ฐฐ์ˆ˜ function solution(n, m) { //์ตœ๋Œ€๊ณต์•ฝ์ˆ˜ : ๊ตฌํ•œ ์•ฝ์ˆ˜ ์ค‘์— ๊ฐ€์žฅ ํฐ ์ˆ˜ -> ๋‚˜๋ˆ ์„œ ๋‚˜๋จธ์ง€๊ฐ€ 0์ธ ์ˆ˜ ์ค‘์— ๊ฐ€์žฅ ํฐ ์ˆ˜ //์ตœ์†Œ๊ณต๋ฐฐ์ˆ˜ : ๋‘ ์ˆ˜๋ฅผ ๊ณฑํ•œ ํ›„ ์ตœ๋Œ€๊ณต๋ฐฐ์ˆ˜๋กœ ๋‚˜๋ˆˆ ์ˆ˜ const mesures = []; for(i=1; i
[์•Œ๊ณ ๋ฆฌ์ฆ˜ || ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] ์ง์‚ฌ๊ฐํ˜• ๋ณ„์ฐ๊ธฐ - String.repeat() https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/repeat String.prototype.repeat() - JavaScript | MDN repeat() ๋ฉ”์„œ๋“œ๋Š” ๋ฌธ์ž์—ด์„ ์ฃผ์–ด์ง„ ํšŸ์ˆ˜๋งŒํผ ๋ฐ˜๋ณตํ•ด ๋ถ™์ธ ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด์„ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค. developer.mozilla.org process.stdin.setEncoding('utf8'); process.stdin.on('data', data => { const n = data.split(" "); const a = Number(n[0]), b = Number(n[1]); //๊ฐœ ๋งŒํผ์˜ *์„ ๋งŒ๋“ ๋‹ค. //๋งŒ๋“  a ๋ฅผ b ๋งŒํผ ์ถœ๋ ฅํ•œ๋‹ค. let letterA =..

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