알고리즘입문(Java) - Array -1.큰 수 출력하기

 

(풀이) 

 

import java.util.*;
class Main {
    public ArrayList<Integer> solution(int n, int[] arr){
        ArrayList<Integer> answer = new ArrayList<>();
        answer.add(arr[0]);
        for(int i=1; i<n; i++){
            if(arr[i]>arr[i-1]) answer.add(arr[i]);
        }
        return answer;
    }

    public static void main(String[] args){
        Main T = new Main();
        Scanner kb = new Scanner(System.in);
        int n=kb.nextInt();
        int[] arr=new int[n];
        for(int i=0; i<n; i++){
            arr[i]=kb.nextInt();
        }
        for(int x : T.solution(n, arr)){
            System.out.print(x+" ");
        }
    }
}