Node.js) 백준 13300번: 방 배정

https://www.acmicpc.net/problem/13300

13300번: 방 배정

 

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

const [_, N] = input.shift();

let room = Array.from(Array(6), () => [0, 0]);

input.forEach((v) => {
	const [S, Y] = v;
	room[Y - 1][S]++;
});

let answer = 0;
room.forEach((v) => {
	answer += Math.ceil(v[0] / N);
	answer += Math.ceil(v[1] / N);
});

console.log(answer);