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Jayden1116

Jayden`s LifeTrip ๐Ÿ”†

๐Ÿ’› JavaScript/๋ฐฑ์ค€

[JS] 3052

2022. 5. 14. 00:43
const fs = require('fs');
const path = process.platform === 'linux' ? '/dev/stdin' : './input.txt';

const input = fs
  .readFileSync(path)
  .toString()
  .trim()
  .split('\n')
  .map((x) => Number(x));

const inputDiv = input.map((x) => x % 42);
const answer = new Set(inputDiv);

console.log([...answer].length);

๋ฐฑ์ค€


trim() ์œ ๋ฌด์— ๋”ฐ๋ผ ์ •๋‹ต์ด ๋˜๊ธฐ๋„ ์•ˆ๋˜๊ธฐ๋„ => ์ด์œ ๋ฅผ ๋ชจ๋ฅด๊ณ˜๋‹ค. ์•ž๋’ค ๊ณต๋ฐฑ ์ œ๊ฑฐํ•ด์ฃผ๋‚˜ ์•ˆํ•ด์ฃผ๋‚˜ ์–ด์ฐจํ”ผ ์ˆซ์žํ˜•์œผ๋กœ ๋ฐ”๋€Œ๋Š”๋ฐ..
ํ•ด๊ฒฐ : trim()์„ ์•ˆํ•˜๊ณ  ๋ฐฐ์—ด์„ ๋ฐ›๊ฒŒ ๋˜๋ฉด ๋งˆ์ง€๋ง‰ ๊ฐ’์œผ๋กœ ''๊ฐ€ ๋ฐ›์•„์ง€๊ณ  ์ด ๊ฐ’์„ Number๋ฅผ ์ด์šฉํ•ด ์ˆซ์ž๋กœ ๋ฐ”๊พธ๋ฉด 0์ด ๋œ๋‹ค.
๋”ฐ๋ผ์„œ trim()์€ ์Šต๊ด€์ ์œผ๋กœ ํ•ด์ฃผ์ž!

'๐Ÿ’› JavaScript > ๋ฐฑ์ค€' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

[JS] 4673  (0) 2022.05.15
[JS] 10818  (0) 2022.05.14
[JS] 8958  (0) 2022.05.14
[JS] 4344  (0) 2022.05.14
[JS] 1110  (0) 2022.05.12
    '๐Ÿ’› JavaScript/๋ฐฑ์ค€' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
    • [JS] 4673
    • [JS] 10818
    • [JS] 8958
    • [JS] 4344
    Jayden1116
    Jayden1116
    ์•„๋งˆ๋„ ํ•œ๋ฒˆ ๋ฟ์ธ ์ธ์ƒ์„ ์—ฌํ–‰ ์ค‘์ธ Jayden์˜ ์ผ์ง€๐Ÿ„๐ŸŒŠ

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