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ํ”„์—” ๊ณต๋ถ€/๐Ÿซง ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ณต๋ถ€

[๋ฐฑ์ค€/Node.js] 10871๋ฒˆ ํ’€์ด || JavaScript

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์ฃผ์–ด์ง„ ์ˆซ์ž์˜ ๊ฐœ์ˆ˜๋ฅผ ์™œ ์ฃผ์ง€? ๋ผ๊ณ  ์ƒ๊ฐํ•˜๋‹ค๊ฐ€ ๋‘๊ฐ€์ง€๋กœ ํ’€์—ˆ๋‹ค.

 

let input = require('fs').readFileSync('/dev/stdin').toString().trim().split("\n");

const length = input[0].split(" ")[0];
const standardValue = Number(input[0].split(" ")[1]);
const testArray = input[1].split(" ").map(i => Number(i));
let collectNumbers = "";
for (let i = 0; i < length; i++) {
    if (standardValue > testArray[i]) {
        collectNumbers += `${testArray[i]} `;
    }
}
console.log(collectNumbers.trim());

๐Ÿงƒ ๋ฐ›์•„์˜จ ์ˆ˜๋“ค์„ ๊ฐœ์ˆ˜๋งŒํผ for๋ฌธ์„ ๋Œ๋ ค์„œ -> collectNumber ์— string์œผ๋กœ ๊ณต๋ฐฑ๊ณผ ํ•จ๊ป˜ ์Œ“์€ ํ›„ ์ถœ๋ ฅํ•˜๊ธฐ

 

let input = require('fs').readFileSync('/dev/stdin').toString().trim().split("\n");

const standardValue = Number(input[0].split(" ")[1]);
const testArray = input[1].split(" ").map(i => Number(i));
const testFn = (num) => {
    if (standardValue > num) {
        return true;
    }
}
const resultArray = testArray.filter(testFn);
console.log(...resultArray);

๐Ÿงƒ filter method๋ฅผ ์ด์šฉํ•ด์„œ ์กฐ๊ฑด์— ๋งž๋Š” ๊ฐ’๋“ค์„ resultArray์— ๋„ฃ์€ ํ›„,  ... ์œผ๋กœ ๋ฐฐ์—ด์„ ๋ฒ—๊ฒจ๋‚ด๊ธฐ.

์ฃผ์–ด์ง„ ์ˆซ์ž์˜ ๊ฐœ์ˆ˜๊ฐ€ ํ•„์š”์—†์–ด์„œ ํ›จ์”ฌ ๊ฐ„๋‹จํ•˜๋‹ค.

 

๊ทผ๋ฐ ์œ„์˜ ์‹์ด ์ฝ”๋“œ ๊ธธ์ด๋Š” ๊ธด๋ฐ, 

๋ฉ”๋ชจ๋ฆฌ๋ฅผ ์กฐ๊ธˆ ๋” ์žก์•„๋จน๊ณ  ์‹œ๊ฐ„๋„ ์กฐ๊ธˆ ๊ฑธ๋ฆฐ๋‹ค. ์‹ ๊ธฐ๋ฐฉ๊ธฐ

 

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