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Jayden1116

Jayden`s LifeTrip ๐Ÿ”†

๐Ÿ’› JavaScript/๋ฐฑ์ค€

[JS] 1110

2022. 5. 12. 23:31
const fs = require('fs');
const path = process.platform === 'linux' ? '/dev/stdin' : './input.txt';

let input = Number(fs.readFileSync(path).toString());

function solve(input) {
  let firstInput = input;
  let i = 0;
  while (true) {
    let numberSum = Math.floor(input / 10) + (input % 10);
    input = (input % 10) * 10 + (numberSum % 10);
    i++;
    if (input === firstInput) {
      return i;
    }
  }
}

console.log(solve(input));

๋ฐฑ์ค€


์ด ๋ฌธ์ œ๋Š” ์ฒ˜์Œ์— ๋ฌธ์ž์—ด๋กœ ์ฒ˜๋ฆฌํ•ด์„œ ํ’€๋‹ค๊ฐ€ ์ด์ƒํ•˜๊ฒŒ 90%์—์„œ ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค ํ†ต๊ณผ๊ฐ€ ์•ˆ๋˜์–ด์„œ ์ˆซ์žํ˜•์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๋ฐ”๊พธ์–ด์„œ ํ’€์—ˆ๋‹ค.
ํŒŒ์ด์ฌ์œผ๋กœ ํ’€๋˜ ๋ฌธ์ œ๋“ค์„ ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋กœ ๋‹ค์‹œ ํ’€๋‹ค๋ณด๋‹ˆ๊นŒ ๋‚ฏ์„ค๊ณ  ์–ด์ƒ‰ํ•˜๊ธฐ๋„ ํ•˜์ง€๋งŒ
์ ์ฐจ ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๊ฐ€ ํŽธํ•ด์ง€๋Š” ๋А๋‚Œ์ด๋ผ ์žฌ๋ฏธ์žˆ๊ณ  ๊ธฐ๋ถ„์ด ์ข‹๋‹ค. :)

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

[JS] 8958  (0) 2022.05.14
[JS] 4344  (0) 2022.05.14
[JS] 10951  (0) 2022.05.12
[JS] 10871  (0) 2022.05.11
[JS] 2438  (0) 2022.05.11
    '๐Ÿ’› JavaScript/๋ฐฑ์ค€' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
    • [JS] 8958
    • [JS] 4344
    • [JS] 10951
    • [JS] 10871
    Jayden1116
    Jayden1116
    ์•„๋งˆ๋„ ํ•œ๋ฒˆ ๋ฟ์ธ ์ธ์ƒ์„ ์—ฌํ–‰ ์ค‘์ธ Jayden์˜ ์ผ์ง€๐Ÿ„๐ŸŒŠ

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