프로그래머스 - 배열 만들기 5

 

 

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import java.util.ArrayList;
import java.util.List;

class Solution {
    public int[] solution(String[] intStrs, int k, int s, int l) {
        List<Integer> answer = new ArrayList<>();
        for(int i = 0; i < intStrs.length; i++){
            int value = Integer.parseInt(intStrs[i].substring(s, s+l));
            if(value > k){
                answer.add(value);
            }
        }
        
        int[] result = new int[answer.size()];
        for(int i = 0; i < answer.size(); i++){
            result[i] = answer.get(i);
        }
        
        return result;
    }
}