[프로그래머스][Lv. 1] 모의고사 Swift 풀이

https://programmers.co.kr/learn/courses/30/lessons/42840

코딩테스트 연습 - 모의고사

풀이는 추후에 차차 올리도록 하겠습니다...

 

 

 

import Foundation
 
func solution(\_ answers:\[Int\]) -> \[Int\] {
    var scores: \[Int:Int\] = \[Int:Int\]()
    let ans\_1: \[Int\] = \[Int\](1...5)
    let ans\_2: \[Int\] = \[2, 1, 2, 3, 2, 4, 2, 5\]
    let ans\_3: \[Int\] = \[3, 3, 1, 1, 2, 2, 4, 4, 5, 5\]
    for i in 0..<answers.count {
        let ans: Int = answers\[i\]
        scores\[1\] = (ans == ans\_1\[i%5\] ? (scores\[1\] ?? 0) + 1 : scores\[1\])
        scores\[2\] = (ans == ans\_2\[i%8\] ? (scores\[2\] ?? 0) + 1 : scores\[2\])
        scores\[3\] = (ans == ans\_3\[i%10\] ? (scores\[3\] ?? 0) + 1 : scores\[3\])
    }
    return scores.filter { $0.value == scores.values.max() }.keys.sorted()
 
}