let fs = require('fs');
let path = process.platform === 'linux' ? '/dev/stdin' : './data.txt';
let input = fs.readFileSync(path).toString().trim().split('\n');
function solve(input) {
let count = Number(input[0]);
for (i = 1; i <= count; i++) {
let repeat = Number(input[i].split(' ')[0]);
let string = input[i].split(' ')[1];
let answer = '';
for (j = 0; j < string.length; j++) {
for (k = 0; k < repeat; k++) {
answer += string[j];
}
}
console.log(answer);
}
}
solve(input);
๋ญ๊ฐ ๋ฌธ์ ํ์ด์ ํ๋ฆ์๋ ๋ฌธ์ ๊ฐ ์ ํ ์๋๋ฐ ์ผ์ค ๋ฐ๋ณต๋ฌธ์ ์ด ๋ถ๋ถ์ด ๊ด์๋ฆฌ ๊ฑฐ์ฌ๋ฆฐ๋ค... ์๊ฐ๋ณต์ก๋๊ฐ ๋๋ฌด ๋์์ง๋๊น...
ํด์ ๋ค๋ฅธ ํ์ด๋ฅผ ์ฐพ์๋ด!
let input = require('fs').readFileSync('/dev/stdin').toString().split('\n');
const num1 = input.shift();
for (let i = 0; i < num1; i++) {
let answer = '';
const [num2, str] = input[i].split(" ");
for (let j = 0; j < str.length; j++) {
answer += str[j].repeat(num2);
}
console.log(answer);
}
๋ฐฐ์์ผํ ๋ถ๋ถ
1. shift๋ฅผ ์ฌ์ฉํ์ฌ testcase ๊ฐฏ์๋ฅผ ๋ฐฐ์ด์์ ๋นผ๋ธ ์
2. ๋ฐฐ์ด ๊ตฌ์กฐ๋ถํดํ ๋น์ ์ด์ฉํ์ฌ ๋ณ์์ ๊ฐ ํ ๋นํ ์
3. repeat์ ์ฌ์ฉํ์ฌ ๋ฐ๋ณต๋ฌธ์ ํ๋ฒ ์ค์๋ค๋ ์ (๊ทธ๋ฐ๋ฐ ์๋ง repeat๋ ๋ก์ง์ ๋ฐ๋ณตํํ์ผ๊ฑฐ๋ผ ์๊ฐ๋ณต์ก๋๋ ๊ทธ๋๋ก์ผ ๋๋)
'๐ JavaScript > ๋ฐฑ์ค' ์นดํ ๊ณ ๋ฆฌ์ ๋ค๋ฅธ ๊ธ
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