Node.js) 백준 2935번: 소음

https://www.acmicpc.net/problem/2935

2935번: 소음

 

const input = require('fs')
        .readFileSync('./dev/stdin')
        .toString()
        .trim()
        .split('\n')
        .map((v) => v.trim());

const a = input[0].length > input[2].length ? input[0] : input[2];
const b = input[0].length > input[2].length ? input[2] : input[0];

if (input[1] == '*') {
        console.log(a + b.substring(1));
} else {
        if (a.length == b.length) {
                console.log(a.replace('1', '2'));
        } else {
                console.log(a.substring(0, a.length - b.length) + b);
        }
}