🛠️ 문제 15663번: N과 M (9) 💡 풀이const fs = require('fs');const path = require('path');const input = fs.readFileSync(path.join(__dirname, 'input.txt')).toString().trim().split('\n');const [N, M] = input[0].split(' ').map(Number);const numbers = Array.from(new Set(input[1].split(' ').map(Number))).sort((a, b) => a - b);const result = [];const visited = new Array(numbers.length).fill(false);function ..