프로그래머스 / 카드 뭉치

https://school.programmers.co.kr/learn/courses/30/lessons/159994

 

코틀린

class Solution {
    fun solution(cards1: Array<String>, cards2: Array<String>, goal: Array<String>): String {
        var index1 = 0
        var index2 = 0
        for (each in goal) when {
            index1 < cards1.size && each == cards1[index1] -> index1++
            index2 < cards2.size && each == cards2[index2] -> index2++
            else -> return "No"
        }
        return "Yes"
    }
}

 

파이썬

def solution(cards1, cards2, goal):
    index1 = index2 = 0
    for each in goal:
        if index1 < len(cards1) and cards1[index1] == each:
            index1 += 1
        elif index2 < len(cards2) and cards2[index2] == each:
            index2 += 1
        else:
            return 'No'
    return 'Yes'