[์ฝ”๋“œํŠธ๋ฆฌ/JS] ์ข€ ๋” ์–ด๋ ค์šด ์ˆ˜ํ•™ ์ ์ˆ˜

2025. 3. 11. 00:04ยท๐Ÿ•น๏ธ ์ฝ”๋”ฉํ…Œ์ŠคํŠธ/์ฝ”๋“œํŠธ๋ฆฌ
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๋ฐ˜์‘ํ˜•

https://www.codetree.ai/ko/trails/complete/curated-cards/challenge-math-scores-are-more-difficult/description

์œ ๋ฃŒ๋กœ ์ „ํ™˜๋˜์–ด, ๋ฌธ์ œ๊ฐ€ ๋ณด์ด์ง€ ์•Š์„ ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค!

 

Code Tree | Learning to Code with Confidence

A super-comprehensive, meticulously arranged Coding Learning Curriculum engineered by Algorithm Experts composed of former International Olympiad in Informatics (IOI) medalists.

www.codetree.ai

 

๋‚ด๊ฐ€ ํ‘ผ ๋ฌธ์ œ

const fs = require("fs");

let arr = fs.readFileSync(0).toString().trim();

let aMat = arr[0];
let aEng = arr[1];

let bMat = arr[2];
let bEng = arr[3];

if(aMat > bMat || ((aMat === bMat) && (aEng > bEng))){
    console.log("A");
} else {
    console.log("B");
}

์˜ค๋‹ตํ’€์ด

  • trim() : ๋ฌธ์ž์—ด ์–‘ ๋์˜ ๊ณต๋ฐฑ์„ ์ œ๊ฑฐํ•˜๋ฉด์„œ ์›๋ณธ ๋ฌธ์ž์—ด์„ ์ˆ˜์ •ํ•˜์ง€ ์•Š๊ณ  ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด์„ ๋ฐ˜ํ™˜
    • https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/trim
  • split() : String ๊ฐ์ฒด๋ฅผ ์ง€์ •ํ•œ ๊ตฌ๋ถ„์ž๋ฅผ ์ด์šฉํ•˜์—ฌ ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๋ฌธ์ž์—ด๋กœ ๋‚˜๋ˆˆ๋‹ค.(๋ฐฐ์—ด ํ˜•์‹) 
    • https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/split

๋ฌธ์ž์—ด ์–‘์ชฝ ๊ณต๋ฐฑ trim()์‚ฌ์šฉํ•ด์„œ ์—†์• ๊ณ , split(/ |\n/)์œผ๋กœ ํ–ˆ์œผ๋ฉด, ๋ฌธ์ž์—ด ์‚ฌ์ด ๊ณต๋ฐฑ๊ณผ ์ค„๋ฐ”๊ฟˆ๊นŒ์ง€ ๋‹ค ๋‚ ๋ผ๊ฐ”์„ ๊ฒƒ ๊ฐ™๋‹ค.

์•„๋‹ˆ๋ฉด ์• ์ดˆ์— ๊ทธ๋ƒฅ split(/ |\n/)๋งŒ ์‚ฌ์šฉํ•ด๋„ ๊ดœ์ฐฎ์•˜์„ ๊ฒƒ ๊ฐ™๋‹ค!

๊ทธ ์ดํ›„๋Š” ํฌ๊ฒŒ ํ‹€๋ฆฐ ๊ฑด ์—†๋Š”๋“ฏ


์ •๋‹ต

// ์ž…๋ ฅ ๋ฐ ๋ณ€์ˆ˜ ์„ ์–ธ
const fs = require("fs");
let input = fs.readFileSync(0).toString().trim().split("\n");

let scoreA = input[0].split(" ");
let scoreB = input[1].split(" ");

let mathA = Number(scoreA[0]), engA = Number(scoreA[1]);
let mathB = Number(scoreB[0]), engB = Number(scoreB[1]);

// ์ถœ๋ ฅ
if (mathA > mathB || (mathA == mathB && engA > engB)) {
    console.log("A");
} 
else {
    console.log("B");
}

์ˆ˜์ •ํ•œ ๋‹ต

const fs = require("fs");

let arr = fs.readFileSync(0).toString().split(/ |\n/);

let aMat = Number(arr[0]), aEng = Number(arr[1]);
let bMat = Number(arr[2]), bEng = Number(arr[3]);

if(aMat > bMat || ((aMat === bMat) && (aEng > bEng))){
    console.log("A");
} else {
    console.log("B");
}
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