Node.js) 백준 28446번: 볼링공 찾아주기

const [M, ...request] = require('fs')
	.readFileSync('./dev/stdin')
	.toString()
	.trim()
	.split('\n')
	.map((v) => v.split(' ').map(Number));

const box = new Map();

const answer = [];

request.forEach((req) => {
	switch (req[0]) {
		case 1:
			box.set(req[2], req[1]);
			break;
		case 2:
			answer.push(box.get(req[1]));
			break;
	}
});

console.log(answer.join('\n'));