Coding Test/문제 풀이
[문제 풀이] 캐시 (Python, Swift)
Int { var answer = 0 var cache : [String] = [] for c in cities { let city = c.lowercased() if cache.contains(city) { cache.remove(at: cache.firstIndex(of: city)!) // cache = cache.filter {$0 != city} cache.append(city) answer += 1 } else { if cache.count 0 { cache.removeFirst() cache.append(city) } answer += 5 } } return answer } 다른 풀이 IDEA
