[백준] 2675 Node.js

const T = Number(input.shift());

for(let i = 0; i < T; i++) {
    let result = "";
    const [num, str] = input[i].split(" ");
    for(let j = 0; j < str.length; j++) {
        result += str[j].repeat(Number(num))
    }
    console.log(result)
}