Node.js) 백준 11652번: 카드

https://www.acmicpc.net/problem/11652

11652번: 카드

 

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

const cards = new Map();

for (let i = 0; i < input.length; i++) {
	const card = input[i];
	if (cards.has(card)) {
		const cnt = cards.get(card);
		cards.set(card, cnt + 1);
	} else {
		cards.set(card, 1);
	}
}
console.log(
	[...cards.entries()].sort((a, b) => {
		if (a[1] == b[1]) {
			return Number(BigInt(a[0]) - BigInt(b[0]));
		} else {
			return b[1] - a[1];
		}
	})[0][0]
);