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Jayden1116

Jayden`s LifeTrip ๐Ÿ”†

๐Ÿ’› JavaScript/๋ฐฑ์ค€

[JS] 10989

2022. 6. 17. 17:33
const fs = require('fs');
const path = process.platform === 'linux' ? '/dev/stdin' : './data.txt';

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

const solve = (input) => {
  const countingArr = new Array(10000 + 1).fill(0); // ๊ฐ€์žฅ ํฐ ์ˆซ์ž๊ฐ€ 10000์ด๊ธฐ ๋•Œ๋ฌธ์— 10000์„ ์ธ๋ฑ์Šค๋กœ ๊ฐ–๋Š” ์นด์šดํŒ… ๋ฐฐ์—ด ์ƒ์„ฑ

  input.forEach((num) => {
    countingArr[num]++;
  });

  let answer = new String();

  for (let i = 0; i < countingArr.length; i++) {
    if (countingArr[i] != 0) {
      for (let j = 0; j < countingArr[i]; j++) {
        answer += i + '\n';
      }
    }
  }
  return answer.trim();
};

console.log(solve(input));

 

๋ฐฑ์ค€

 

2๋ฒˆ์งธ ๋ฌธ์ œ์—์„œ ์–ธ์–ด๋งˆ๋‹ค ๋‚ด์žฅ๋œ ์ •๋ ฌ ํ•จ์ˆ˜(์‚ฌ์‹ค์ƒ ๊ฐ€์žฅ ์„ฑ๋Šฅ์ด ์ข‹์€)๋ฅผ ์‚ฌ์šฉํ–ˆ๋Š”๋ฐ, 3๋ฒˆ์€ ์–ด๋–ป๊ฒŒ ๋” ๋น ๋ฅด๊ฒŒ ํ•˜๋Š”๊ฑด๊ฐ€ ์‹ถ์—ˆ๋‹ค.

 

Javascript์˜ ๊ฒฝ์šฐ์—”, ๋ฐฑ์ค€์—์„œ ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ๋Š˜๋ ค์ฃผ์ง€ ์•Š๋Š” ํ•œ ๋ฉ”๋ชจ๋ฆฌ ์ดˆ๊ณผ๊ฐ€ ๋‚˜์˜ค๋Š”๋ฐ, ์ด ๋ฌธ์ œ์˜ ์š”๊ตฌ๋Š” ์นด์šดํŒ… ์ •๋ ฌ์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ

์นด์šดํŒ… ์ •๋ ฌ์€ ์šฐ๋ฆฌ๊ฐ€ ์ˆซ์ž๋ฅผ ์ •๋ ฌํ•  ๋•Œ, ๊ฐ€์žฅ ํฐ ๊ฐ’์„ ์•Œ๊ณ ์žˆ๋‹ค๋ฉด ์œ ๋ฆฌํ•œ ๋ฐฉ๋ฒ•์ด๋‹ค.

(๋ฌธ์ œ์—์„œ๋„ ์กฐ๊ฑด์ด '10000๋ณด๋‹ค ์ž‘๊ฑฐ๋‚˜ ๊ฐ™์€ ์ž์—ฐ์ˆ˜'์ด๊ธฐ ๋•Œ๋ฌธ์— ๊ฐ€๋Šฅํ•œ ๋ฐฉ๋ฒ•)

 

๊ฐ€์žฅ ํฐ ์ˆ˜๋งŒํผ์˜ ์ธ๋ฑ์Šค๋ฅผ ๊ฐ–๋Š” ์นด์šดํŒ…๋ฐฐ์—ด(index : ์›๋ž˜ ๋ฐฐ์—ด์—์„œ์˜ ์ˆซ์ž, value : ์›๋ž˜ ๋ฐฐ์—ด์—์„œ์˜ ์ˆซ์ž์˜ ๊ฐœ์ˆ˜)์„ ๋งŒ๋“ค์–ด์ค€๋‹ค.

์ดํ›„ ์นด์šดํŒ… ๋ฐฐ์—ด์ด 0์ด ์•„๋‹ ๋•Œ, ์นด์šดํŒ… ๋ฐฐ์—ด์˜ value ๋งŒํผ index๋ฅผ ์ƒˆ๋กœ์šด ๋ฐฐ์—ด์— pushํ•˜๋“  ์œ„์ฒ˜๋Ÿผ ๋นˆ ๋ฌธ์ž์—ด์— ๋”ํ•ด์ฃผ๋“  ์ˆœ์„œ๋Œ€๋กœ ๋”ํ•œ๋‹ค.

๊ทธ๋Ÿฌ๋ฉด ์งœ์ž”~ ์ •๋ ฌ์ด ๋˜์–ด์žˆ๋‹ค.

 

์ด๋Ÿฐ ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด๋‚˜ ์ž๋ฃŒ๊ตฌ์กฐ ๋“ฑ์€ ์•Œ๋ฉด ์•Œ์ˆ˜๋ก ์žฌ๋ฏธ์žˆ๊ณ  ์‹ ๊ธฐํ•˜๋‹ค.

์–ด๋–ป๊ฒŒ๋“  ์‹œ๊ฐ„๋ณต์žก๋„๋‚˜ ๋ฉ”๋ชจ๋ฆฌ(๊ณต๊ฐ„ ๋ณต์žก๋„) ์‚ฌ์ด์—์„œ์˜ ๊ทนํ•œ์˜ ์ด๋“์„ ์–ป์œผ๋ ค๋Š” ์—ญ์‚ฌ๊ฐ€ ๋ณด์ธ๋‹คใ…‹ใ…‹ใ…‹ใ…‹ใ…‹

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    Jayden1116
    Jayden1116
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