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๋ฏธ์…˜ - ๋กœ๋˜

๐Ÿ” ์ง„ํ–‰ ๋ฐฉ์‹

  • ๋ฏธ์…˜์€ ๊ธฐ๋Šฅ ์š”๊ตฌ ์‚ฌํ•ญ, ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์š”๊ตฌ ์‚ฌํ•ญ, ๊ณผ์ œ ์ง„ํ–‰ ์š”๊ตฌ ์‚ฌํ•ญ ์„ธ ๊ฐ€์ง€๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ๋‹ค.
  • ์„ธ ๊ฐœ์˜ ์š”๊ตฌ ์‚ฌํ•ญ์„ ๋งŒ์กฑํ•˜๊ธฐ ์œ„ํ•ด ๋…ธ๋ ฅํ•œ๋‹ค. ํŠนํžˆ ๊ธฐ๋Šฅ์„ ๊ตฌํ˜„ํ•˜๊ธฐ ์ „์— ๊ธฐ๋Šฅ ๋ชฉ๋ก์„ ๋งŒ๋“ค๊ณ , ๊ธฐ๋Šฅ ๋‹จ์œ„๋กœ ์ปค๋ฐ‹ ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ์ง„ํ–‰ํ•œ๋‹ค.
  • ๊ธฐ๋Šฅ ์š”๊ตฌ ์‚ฌํ•ญ์— ๊ธฐ์žฌ๋˜์ง€ ์•Š์€ ๋‚ด์šฉ์€ ์Šค์Šค๋กœ ํŒ๋‹จํ•˜์—ฌ ๊ตฌํ˜„ํ•œ๋‹ค.

๐Ÿ“ฎ ๋ฏธ์…˜ ์ œ์ถœ ๋ฐฉ๋ฒ•

  • ๋ฏธ์…˜ ๊ตฌํ˜„์„ ์™„๋ฃŒํ•œ ํ›„ GitHub์„ ํ†ตํ•ด ์ œ์ถœํ•ด์•ผ ํ•œ๋‹ค.
  • GitHub์— ๋ฏธ์…˜์„ ์ œ์ถœํ•œ ํ›„ ์šฐ์•„ํ•œํ…Œํฌ์ฝ”์Šค ์ง€์› ์‚ฌ์ดํŠธ์— ์ ‘์†ํ•˜์—ฌ ํ”„๋ฆฌ์ฝ”์Šค ๊ณผ์ œ๋ฅผ ์ œ์ถœํ•œ๋‹ค.
    • ์ž์„ธํ•œ ๋ฐฉ๋ฒ•์€ ์ œ์ถœ ๊ฐ€์ด๋“œ ์ฐธ๊ณ 
    • Pull Request๋งŒ ๋ณด๋‚ด๊ณ  ์ง€์› ํ”Œ๋žซํผ์—์„œ ๊ณผ์ œ๋ฅผ ์ œ์ถœํ•˜์ง€ ์•Š์œผ๋ฉด ์ตœ์ข… ์ œ์ถœํ•˜์ง€ ์•Š์€ ๊ฒƒ์œผ๋กœ ์ฒ˜๋ฆฌ๋˜๋‹ˆ ์ฃผ์˜ํ•œ๋‹ค.

๐Ÿšจ ๊ณผ์ œ ์ œ์ถœ ์ „ ์ฒดํฌ ๋ฆฌ์ŠคํŠธ - 0์  ๋ฐฉ์ง€

  • ๊ธฐ๋Šฅ ๊ตฌํ˜„์„ ๋ชจ๋‘ ์ •์ƒ์ ์œผ๋กœ ํ–ˆ๋”๋ผ๋„ ์š”๊ตฌ ์‚ฌํ•ญ์— ๋ช…์‹œ๋œ ์ถœ๋ ฅ๊ฐ’ ํ˜•์‹์„ ์ง€ํ‚ค์ง€ ์•Š์„ ๊ฒฝ์šฐ 0์ ์œผ๋กœ ์ฒ˜๋ฆฌํ•œ๋‹ค.
  • ๊ธฐ๋Šฅ ๊ตฌํ˜„์„ ์™„๋ฃŒํ•œ ๋’ค ์•„๋ž˜ ๊ฐ€์ด๋“œ์— ๋”ฐ๋ผ ํ…Œ์ŠคํŠธ๋ฅผ ์‹คํ–‰ํ–ˆ์„ ๋•Œ ๋ชจ๋“  ํ…Œ์ŠคํŠธ๊ฐ€ ์„ฑ๊ณตํ•˜๋Š”์ง€ ํ™•์ธํ•œ๋‹ค.
  • ํ…Œ์ŠคํŠธ๊ฐ€ ์‹คํŒจํ•  ๊ฒฝ์šฐ 0์ ์œผ๋กœ ์ฒ˜๋ฆฌ๋˜๋ฏ€๋กœ, ๋ฐ˜๋“œ์‹œ ํ™•์ธ ํ›„ ์ œ์ถœํ•œ๋‹ค.

ํ…Œ์ŠคํŠธ ์‹คํ–‰ ๊ฐ€์ด๋“œ

  • ํ…Œ์ŠคํŠธ ํŒจํ‚ค์ง€ ์„ค์น˜๋ฅผ ์œ„ํ•ด Node.js ๋ฒ„์ „ 18.17.1 ์ด์ƒ์ด ํ•„์š”ํ•˜๋‹ค.
  • ๋‹ค์Œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด ํŒจํ‚ค์ง€๋ฅผ ์„ค์น˜ํ•œ๋‹ค.
npm install
  • ์„ค์น˜๊ฐ€ ์™„๋ฃŒ๋˜์—ˆ๋‹ค๋ฉด, ๋‹ค์Œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด ํ…Œ์ŠคํŠธ๋ฅผ ์‹คํ–‰ํ•œ๋‹ค.
npm test

๐Ÿš€ ๊ธฐ๋Šฅ ์š”๊ตฌ ์‚ฌํ•ญ

  • ๋กœ๋˜ ๊ฒŒ์ž„ ๊ธฐ๋Šฅ์„ ๊ตฌํ˜„ํ•ด์•ผ ํ•œ๋‹ค. ๋กœ๋˜ ๊ฒŒ์ž„์€ ์•„๋ž˜์™€ ๊ฐ™์€ ๊ทœ์น™์œผ๋กœ ์ง„ํ–‰๋œ๋‹ค.
- ๋กœ๋˜ ๋ฒˆํ˜ธ์˜ ์ˆซ์ž ๋ฒ”์œ„๋Š” 1~45๊นŒ์ง€์ด๋‹ค.
- 1๊ฐœ์˜ ๋กœ๋˜๋ฅผ ๋ฐœํ–‰ํ•  ๋•Œ ์ค‘๋ณต๋˜์ง€ ์•Š๋Š” 6๊ฐœ์˜ ์ˆซ์ž๋ฅผ ๋ฝ‘๋Š”๋‹ค.
- ๋‹น์ฒจ ๋ฒˆํ˜ธ ์ถ”์ฒจ ์‹œ ์ค‘๋ณต๋˜์ง€ ์•Š๋Š” ์ˆซ์ž 6๊ฐœ์™€ ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ 1๊ฐœ๋ฅผ ๋ฝ‘๋Š”๋‹ค.
- ๋‹น์ฒจ์€ 1๋“ฑ๋ถ€ํ„ฐ 5๋“ฑ๊นŒ์ง€ ์žˆ๋‹ค. ๋‹น์ฒจ ๊ธฐ์ค€๊ณผ ๊ธˆ์•ก์€ ์•„๋ž˜์™€ ๊ฐ™๋‹ค.
    - 1๋“ฑ: 6๊ฐœ ๋ฒˆํ˜ธ ์ผ์น˜ / 2,000,000,000์›
    - 2๋“ฑ: 5๊ฐœ ๋ฒˆํ˜ธ + ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ ์ผ์น˜ / 30,000,000์›
    - 3๋“ฑ: 5๊ฐœ ๋ฒˆํ˜ธ ์ผ์น˜ / 1,500,000์›
    - 4๋“ฑ: 4๊ฐœ ๋ฒˆํ˜ธ ์ผ์น˜ / 50,000์›
    - 5๋“ฑ: 3๊ฐœ ๋ฒˆํ˜ธ ์ผ์น˜ / 5,000์›
  • ๋กœ๋˜ ๊ตฌ์ž… ๊ธˆ์•ก์„ ์ž…๋ ฅํ•˜๋ฉด ๊ตฌ์ž… ๊ธˆ์•ก์— ํ•ด๋‹นํ•˜๋Š” ๋งŒํผ ๋กœ๋˜๋ฅผ ๋ฐœํ–‰ํ•ด์•ผ ํ•œ๋‹ค.
  • ๋กœ๋˜ 1์žฅ์˜ ๊ฐ€๊ฒฉ์€ 1,000์›์ด๋‹ค.
  • ๋‹น์ฒจ ๋ฒˆํ˜ธ์™€ ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค.
  • ์‚ฌ์šฉ์ž๊ฐ€ ๊ตฌ๋งคํ•œ ๋กœ๋˜ ๋ฒˆํ˜ธ์™€ ๋‹น์ฒจ ๋ฒˆํ˜ธ๋ฅผ ๋น„๊ตํ•˜์—ฌ ๋‹น์ฒจ ๋‚ด์—ญ ๋ฐ ์ˆ˜์ต๋ฅ ์„ ์ถœ๋ ฅํ•˜๊ณ  ๋กœ๋˜ ๊ฒŒ์ž„์„ ์ข…๋ฃŒํ•œ๋‹ค.
  • ์‚ฌ์šฉ์ž๊ฐ€ ์ž˜๋ชป๋œ ๊ฐ’์„ ์ž…๋ ฅํ•  ๊ฒฝ์šฐ throw๋ฌธ์„ ์‚ฌ์šฉํ•ด ์˜ˆ์™ธ๋ฅผ ๋ฐœ์ƒ์‹œํ‚จ๋‹ค. ๊ทธ๋Ÿฐ ๋‹ค์Œ, "[ERROR]"๋กœ ์‹œ์ž‘ํ•˜๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ํ•ด๋‹น ๋ถ€๋ถ„๋ถ€ํ„ฐ ์ž…๋ ฅ์„ ๋‹ค์‹œ ๋ฐ›๋Š”๋‹ค.
    ์˜ˆ์‹œ) [ERROR] ์ˆซ์ž๊ฐ€ ์ž˜๋ชป๋œ ํ˜•์‹์ž…๋‹ˆ๋‹ค.
    

์ž…์ถœ๋ ฅ ์š”๊ตฌ ์‚ฌํ•ญ

์ž…๋ ฅ

  • ๋กœ๋˜ ๊ตฌ์ž… ๊ธˆ์•ก์„ ์ž…๋ ฅ ๋ฐ›๋Š”๋‹ค. ๊ตฌ์ž… ๊ธˆ์•ก์€ 1,000์› ๋‹จ์œ„๋กœ ์ž…๋ ฅ ๋ฐ›์œผ๋ฉฐ 1,000์›์œผ๋กœ ๋‚˜๋ˆ„์–ด ๋–จ์–ด์ง€์ง€ ์•Š๋Š” ๊ฒฝ์šฐ ์˜ˆ์™ธ ์ฒ˜๋ฆฌํ•œ๋‹ค.
14000
  • ๋‹น์ฒจ ๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅ ๋ฐ›๋Š”๋‹ค. ๋ฒˆํ˜ธ๋Š” ์‰ผํ‘œ(,)๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๊ตฌ๋ถ„ํ•œ๋‹ค.
1,2,3,4,5,6
  • ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅ ๋ฐ›๋Š”๋‹ค.
7

์ถœ๋ ฅ

  • ๋ฐœํ–‰ํ•œ ๋กœ๋˜ ์ˆ˜๋Ÿ‰ ๋ฐ ๋ฒˆํ˜ธ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. ๋กœ๋˜ ๋ฒˆํ˜ธ๋Š” ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ์ •๋ ฌํ•˜์—ฌ ๋ณด์—ฌ์ค€๋‹ค.
8๊ฐœ๋ฅผ ๊ตฌ๋งคํ–ˆ์Šต๋‹ˆ๋‹ค.
[8, 21, 23, 41, 42, 43]
[3, 5, 11, 16, 32, 38]
[7, 11, 16, 35, 36, 44]
[1, 8, 11, 31, 41, 42]
[13, 14, 16, 38, 42, 45]
[7, 11, 30, 40, 42, 43]
[2, 13, 22, 32, 38, 45]
[1, 3, 5, 14, 22, 45]
  • ๋‹น์ฒจ ๋‚ด์—ญ์„ ์ถœ๋ ฅํ•œ๋‹ค.
3๊ฐœ ์ผ์น˜ (5,000์›) - 1๊ฐœ
4๊ฐœ ์ผ์น˜ (50,000์›) - 0๊ฐœ
5๊ฐœ ์ผ์น˜ (1,500,000์›) - 0๊ฐœ
5๊ฐœ ์ผ์น˜, ๋ณด๋„ˆ์Šค ๋ณผ ์ผ์น˜ (30,000,000์›) - 0๊ฐœ
6๊ฐœ ์ผ์น˜ (2,000,000,000์›) - 0๊ฐœ
  • ์ˆ˜์ต๋ฅ ์€ ์†Œ์ˆ˜์  ๋‘˜์งธ ์ž๋ฆฌ์—์„œ ๋ฐ˜์˜ฌ๋ฆผํ•œ๋‹ค. (ex. 100.0%, 51.5%, 1,000,000.0%)
์ด ์ˆ˜์ต๋ฅ ์€ 62.5%์ž…๋‹ˆ๋‹ค.
  • ์˜ˆ์™ธ ์ƒํ™ฉ ์‹œ ์—๋Ÿฌ ๋ฌธ๊ตฌ๋ฅผ ์ถœ๋ ฅํ•ด์•ผ ํ•œ๋‹ค. ๋‹จ, ์—๋Ÿฌ ๋ฌธ๊ตฌ๋Š” "[ERROR]"๋กœ ์‹œ์ž‘ํ•ด์•ผ ํ•œ๋‹ค.
[ERROR] ๋กœ๋˜ ๋ฒˆํ˜ธ๋Š” 1๋ถ€ํ„ฐ 45 ์‚ฌ์ด์˜ ์ˆซ์ž์—ฌ์•ผ ํ•ฉ๋‹ˆ๋‹ค.

์‹คํ–‰ ๊ฒฐ๊ณผ ์˜ˆ์‹œ

๊ตฌ์ž…๊ธˆ์•ก์„ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”.
8000

8๊ฐœ๋ฅผ ๊ตฌ๋งคํ–ˆ์Šต๋‹ˆ๋‹ค.
[8, 21, 23, 41, 42, 43]
[3, 5, 11, 16, 32, 38]
[7, 11, 16, 35, 36, 44]
[1, 8, 11, 31, 41, 42]
[13, 14, 16, 38, 42, 45]
[7, 11, 30, 40, 42, 43]
[2, 13, 22, 32, 38, 45]
[1, 3, 5, 14, 22, 45]

๋‹น์ฒจ ๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”.
1,2,3,4,5,6

๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”.
7

๋‹น์ฒจ ํ†ต๊ณ„
---
3๊ฐœ ์ผ์น˜ (5,000์›) - 1๊ฐœ
4๊ฐœ ์ผ์น˜ (50,000์›) - 0๊ฐœ
5๊ฐœ ์ผ์น˜ (1,500,000์›) - 0๊ฐœ
5๊ฐœ ์ผ์น˜, ๋ณด๋„ˆ์Šค ๋ณผ ์ผ์น˜ (30,000,000์›) - 0๊ฐœ
6๊ฐœ ์ผ์น˜ (2,000,000,000์›) - 0๊ฐœ
์ด ์ˆ˜์ต๋ฅ ์€ 62.5%์ž…๋‹ˆ๋‹ค.

๐ŸŽฏ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์š”๊ตฌ ์‚ฌํ•ญ

  • Node.js 18.17.1 ๋ฒ„์ „์—์„œ ์‹คํ–‰ ๊ฐ€๋Šฅํ•ด์•ผ ํ•œ๋‹ค. Node.js 18.17.1์—์„œ ์ •์ƒ์ ์œผ๋กœ ๋™์ž‘ํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ 0์  ์ฒ˜๋ฆฌํ•œ๋‹ค.
  • ํ”„๋กœ๊ทธ๋žจ ์‹คํ–‰์˜ ์‹œ์ž‘์ ์€ App.js์˜ play ๋ฉ”์„œ๋“œ์ด๋‹ค. ์•„๋ž˜์™€ ๊ฐ™์ด ํ”„๋กœ๊ทธ๋žจ์„ ์‹คํ–‰์‹œํ‚ฌ ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค.

์˜ˆ์‹œ

const app = new App();
app.play();
  • package.json์„ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์—†๊ณ  ์™ธ๋ถ€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ(jQuery, Lodash ๋“ฑ)๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋Š”๋‹ค. ์ˆœ์ˆ˜ Vanilla JS๋กœ๋งŒ ๊ตฌํ˜„ํ•œ๋‹ค.
  • JavaScript ์ฝ”๋“œ ์ปจ๋ฒค์…˜์„ ์ง€ํ‚ค๋ฉด์„œ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ํ•œ๋‹ค
  • ํ”„๋กœ๊ทธ๋žจ ์ข…๋ฃŒ ์‹œ process.exit()๋ฅผ ํ˜ธ์ถœํ•˜์ง€ ์•Š๋Š”๋‹ค.
  • ํ”„๋กœ๊ทธ๋žจ ๊ตฌํ˜„์ด ์™„๋ฃŒ๋˜๋ฉด ApplicationTest์˜ ๋ชจ๋“  ํ…Œ์ŠคํŠธ๊ฐ€ ์„ฑ๊ณตํ•ด์•ผ ํ•œ๋‹ค. ํ…Œ์ŠคํŠธ๊ฐ€ ์‹คํŒจํ•  ๊ฒฝ์šฐ 0์  ์ฒ˜๋ฆฌํ•œ๋‹ค.
  • ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์š”๊ตฌ ์‚ฌํ•ญ์—์„œ ๋‹ฌ๋ฆฌ ๋ช…์‹œํ•˜์ง€ ์•Š๋Š” ํ•œ ํŒŒ์ผ, ํŒจํ‚ค์ง€ ์ด๋ฆ„์„ ์ˆ˜์ •ํ•˜๊ฑฐ๋‚˜ ์ด๋™ํ•˜์ง€ ์•Š๋Š”๋‹ค.
  • indent(์ธ๋ดํŠธ, ๋“ค์—ฌ์“ฐ๊ธฐ) depth๋ฅผ 3์ด ๋„˜์ง€ ์•Š๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค. 2๊นŒ์ง€๋งŒ ํ—ˆ์šฉํ•œ๋‹ค.
    • ์˜ˆ๋ฅผ ๋“ค์–ด while๋ฌธ ์•ˆ์— if๋ฌธ์ด ์žˆ์œผ๋ฉด ๋“ค์—ฌ์“ฐ๊ธฐ๋Š” 2์ด๋‹ค.
    • ํžŒํŠธ: indent(์ธ๋ดํŠธ, ๋“ค์—ฌ์“ฐ๊ธฐ) depth๋ฅผ ์ค„์ด๋Š” ์ข‹์€ ๋ฐฉ๋ฒ•์€ ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์„œ๋“œ)๋ฅผ ๋ถ„๋ฆฌํ•˜๋ฉด ๋œ๋‹ค.
  • ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์„œ๋“œ)๊ฐ€ ํ•œ ๊ฐ€์ง€ ์ผ๋งŒ ํ•˜๋„๋ก ์ตœ๋Œ€ํ•œ ์ž‘๊ฒŒ ๋งŒ๋“ค์–ด๋ผ.
  • Jest๋ฅผ ์ด์šฉํ•˜์—ฌ ๋ณธ์ธ์ด ์ •๋ฆฌํ•œ ๊ธฐ๋Šฅ ๋ชฉ๋ก์ด ์ •์ƒ ๋™์ž‘ํ•จ์„ ํ…Œ์ŠคํŠธ ์ฝ”๋“œ๋กœ ํ™•์ธํ•œ๋‹ค.

์ถ”๊ฐ€๋œ ์š”๊ตฌ ์‚ฌํ•ญ

  • ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์„œ๋“œ)์˜ ๊ธธ์ด๊ฐ€ 15๋ผ์ธ์„ ๋„˜์–ด๊ฐ€์ง€ ์•Š๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค.
    • ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์„œ๋“œ)๊ฐ€ ํ•œ ๊ฐ€์ง€ ์ผ๋งŒ ์ž˜ ํ•˜๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค.
  • else๋ฅผ ์ง€์–‘ํ•œ๋‹ค.
    • ํžŒํŠธ: if ์กฐ๊ฑด์ ˆ์—์„œ ๊ฐ’์„ returnํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ•˜๋ฉด else๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š์•„๋„ ๋œ๋‹ค.
    • ๋•Œ๋กœ๋Š” if/else, switch๋ฌธ์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ๋” ๊น”๋”ํ•ด ๋ณด์ผ ์ˆ˜ ์žˆ๋‹ค. ์–ด๋Š ๊ฒฝ์šฐ์— ์“ฐ๋Š” ๊ฒƒ์ด ์ ์ ˆํ• ์ง€ ์Šค์Šค๋กœ ๊ณ ๋ฏผํ•ด ๋ณธ๋‹ค.
  • ๋„๋ฉ”์ธ ๋กœ์ง์— ๋‹จ์œ„ ํ…Œ์ŠคํŠธ๋ฅผ ๊ตฌํ˜„ํ•ด์•ผ ํ•œ๋‹ค. ๋‹จ, UI(Console.readLineAsync, Console.print) ๋กœ์ง์— ๋Œ€ํ•œ ๋‹จ์œ„ ํ…Œ์ŠคํŠธ๋Š” ์ œ์™ธํ•œ๋‹ค.
    • ํ•ต์‹ฌ ๋กœ์ง์„ ๊ตฌํ˜„ํ•˜๋Š” ์ฝ”๋“œ์™€ UI๋ฅผ ๋‹ด๋‹นํ•˜๋Š” ๋กœ์ง์„ ๊ตฌ๋ถ„ํ•œ๋‹ค.
    • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ ์ž‘์„ฑ์ด ์ต์ˆ™ํ•˜์ง€ ์•Š๋‹ค๋ฉด __tests__/LottoTest.js๋ฅผ ์ฐธ๊ณ ํ•˜์—ฌ ํ•™์Šตํ•œ ํ›„ ํ…Œ์ŠคํŠธ๋ฅผ ๊ตฌํ˜„ํ•œ๋‹ค.

๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ

  • @woowacourse/mission-utils์—์„œ ์ œ๊ณตํ•˜๋Š” Random ๋ฐ Console API๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๊ตฌํ˜„ํ•ด์•ผ ํ•œ๋‹ค.
    • Random ๊ฐ’ ์ถ”์ถœ์€ Random.pickUniqueNumbersInRange()๋ฅผ ํ™œ์šฉํ•œ๋‹ค.
    • ์‚ฌ์šฉ์ž์˜ ๊ฐ’์„ ์ž…๋ ฅ ๋ฐ›๊ณ  ์ถœ๋ ฅํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” Console.readLineAsync, Console.print๋ฅผ ํ™œ์šฉํ•œ๋‹ค.

์‚ฌ์šฉ ์˜ˆ์‹œ

MissionUtils.Random.pickUniqueNumbersInRange(1, 45, 6);

Lotto ํด๋ž˜์Šค

  • ์ œ๊ณต๋œ Lotto ํด๋ž˜์Šค๋ฅผ ํ™œ์šฉํ•ด ๊ตฌํ˜„ํ•ด์•ผ ํ•œ๋‹ค.
  • numbers์˜ # prefix๋ฅผ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์—†๋‹ค.
  • Lotto์— ํ•„๋“œ๋ฅผ ์ถ”๊ฐ€ํ•  ์ˆ˜ ์—†๋‹ค.
class Lotto {
  #numbers;

  constructor(numbers) {
    this.#validate(numbers);
    this.#numbers = numbers;
  }

  #validate(numbers) {
    if (numbers.length !== 6) {
      throw new Error("[ERROR] ๋กœ๋˜ ๋ฒˆํ˜ธ๋Š” 6๊ฐœ์—ฌ์•ผ ํ•ฉ๋‹ˆ๋‹ค.");
    }
  }

  // TODO: ์ถ”๊ฐ€ ๊ธฐ๋Šฅ ๊ตฌํ˜„
}

โœ๏ธ ๊ณผ์ œ ์ง„ํ–‰ ์š”๊ตฌ ์‚ฌํ•ญ

  • ๋ฏธ์…˜์€ javascript-lotto-6 ์ €์žฅ์†Œ๋ฅผ Fork & Cloneํ•ด ์‹œ์ž‘ํ•œ๋‹ค.
  • ๊ธฐ๋Šฅ์„ ๊ตฌํ˜„ํ•˜๊ธฐ ์ „ docs/README.md์— ๊ตฌํ˜„ํ•  ๊ธฐ๋Šฅ ๋ชฉ๋ก์„ ์ •๋ฆฌํ•ด ์ถ”๊ฐ€ํ•œ๋‹ค.
  • Git์˜ ์ปค๋ฐ‹ ๋‹จ์œ„๋Š” ์•ž ๋‹จ๊ณ„์—์„œ docs/README.md์— ์ •๋ฆฌํ•œ ๊ธฐ๋Šฅ ๋ชฉ๋ก ๋‹จ์œ„๋กœ ์ถ”๊ฐ€ํ•œ๋‹ค.
  • ๊ณผ์ œ ์ง„ํ–‰ ๋ฐ ์ œ์ถœ ๋ฐฉ๋ฒ•์€ ํ”„๋ฆฌ์ฝ”์Šค ๊ณผ์ œ ์ œ์ถœ ๋ฌธ์„œ๋ฅผ ์ฐธ๊ณ ํ•œ๋‹ค.

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