코드 function solution(cacheSize, cities) { cities = cities.map((ele) => ele.toLowerCase()); let cache = []; let second = 0; if (cacheSize === 0) return cities.length * 5; for (let i = 0; i < cities.length; i++) { if (cache.includes(cities[i])) { second++; cache.splice(cache.indexOf(cities[i]), 1); cache.push(cities[i]); } else { second += 5; if (cache.length === cacheSize) cache.shift(); cache.pu..