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eazyseon
ํ๋ก๊ทธ๋๋จธ์ค(์๋ฐ์คํฌ๋ฆฝํธ) - ๋คํญ์ ๋ํ๊ธฐ ๋ณธ๋ฌธ
๐ง์๊ณ ๋ฆฌ์ฆ?์๊ณ ์ถ์!
ํ๋ก๊ทธ๋๋จธ์ค(์๋ฐ์คํฌ๋ฆฝํธ) - ๋คํญ์ ๋ํ๊ธฐ
eazyseon 2023. 3. 1. 16:38๋ฐ์ํ
- ๋ฌธ์ ์ค๋ช
- ์ ์ถ๋ ฅ ์์
- ๋์ ํ์ด
function solution(polynomial) {
let answer = '';
let coefficient = 0; //๊ณ์
let constant = 0; //์์
const terms = polynomial.split(' + ');
//' + '๋ก ๋๋๊ธฐ [ '3x', '7', 'x' ]์ถ๋ ฅ
for (let i = 0; i < terms.length; i++) {
const term = terms[i];
//term => '3x' / '7' / 'x'
const [numStr, variable] = term.split('x');
// 'x'๋ฅผ ๊ธฐ์ค์ผ๋ก ๋๋ => '3' '' / '7' ์ด๋ฐ์์ผ๋ก ์ถ๋ ฅ
if (variable === '') {
// variable === ''๋ 'x'ํฌํจ์ ์๋ฏธ
if(numStr==='')
//numStr==='' ๋ ๊ณ์๊ฐ 1์ธ ๊ฒฝ์ฐ +1
coefficient+=1
else{
//๊ณ์๊ฐ 1์ด ์๋ ๊ฒฝ์ฐ +numStr
coefficient += Number(numStr);
}
} else {
//'x'๋ฅผ ๊ฐ๊ณ ์์ง ์์ ์์ ์๋ฏธ +numStr
constant += Number(numStr);
}
}
//answer ๋ง๋ค๊ธฐ
if (coefficient === 1) {
//๊ณ์๊ฐ 1์ธ ๊ฒฝ์ฐ 'x'๋ฐํ
answer += 'x';
} else if (coefficient !== 0) {
//๊ณ์๊ฐ 1์ด ์๋ ๊ฒฝ์ฐ 'x'๋ฅผ ๋ถ์ฌ ๋ฐํ
answer += `${coefficient}x`;
}
if(coefficient>0 && constant>0){
//๊ณ์์ ์์ ๋ค ์์์ด๋ฉด ๋คํญ์์ ๋ฐํํด์ผ ํ๋ฏ๋ก ' + '๋ถ์ฌ์ค
answer += ' + ';
}
if (constant > 0) {
//์์๊ฐ ์์์ด๋ฉด answer์ ๋ํด์ค
answer += constant
}
return answer
}
๋ฐ์ํ
'๐ง์๊ณ ๋ฆฌ์ฆ?์๊ณ ์ถ์!' ์นดํ ๊ณ ๋ฆฌ์ ๋ค๋ฅธ ๊ธ
ํ๋ก๊ทธ๋๋จธ์ค (์๋ฐ์คํฌ๋ฆฝํธ) - ์ธ๊ณ์ด ์ฌ์ (0) | 2023.03.02 |
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ํ๋ก๊ทธ๋๋จธ์ค(์๋ฐ์คํฌ๋ฆฝํธ) - ์ต๋๊ฐ ๋ง๋ค๊ธฐ(2) (0) | 2023.03.01 |
ํ๋ก๊ทธ๋๋จธ์ค(์๋ฐ์คํฌ๋ฆฝํธ) - ์บ๋ฆญํฐ์ ์ขํ (0) | 2023.03.01 |
ํ๋ก๊ทธ๋๋จธ์ค(์๋ฐ์คํฌ๋ฆฝํธ) - ์๋ผ์ ๋ฐฐ์ด๋ก ์ ์ฅํ๊ธฐ (0) | 2023.02.27 |
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