Node.js) 백준 29722번: 브실혜성

https://www.acmicpc.net/problem/29722

29722번: 브실혜성

const [_date, _cycle] = require('fs').readFileSync('./dev/stdin').toString().trim().split('\n');

let [y, m, d] = _date.split('-').map(Number);
let cycle = +_cycle;

const cycleY = Math.floor(cycle / 360);
const cycleM = Math.floor(cycle / 30 - cycleY * 12);
const cycleD = cycle % 30;

d += cycleD;

if (d > 30) {
	d -= 30;
	m += 1;
}

m += cycleM;
if (m > 12) {
	m -= 12;
	y += 1;
}

y += cycleY;

console.log(`${y}-${m.toString().padStart(2, '0')}-${d.toString().padStart(2, '0')}`);