[java 백준] 실버 3/9461번 파도반 수열

https://www.acmicpc.net/problem/9461

9461번: 파도반 수열

import java.util.Scanner;
 
public class Main {
 
    public static int n;
 
    public static long[] arr;
    public static long[] dp;
 
    public static void main(String[] args) {
 
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        arr = new long[n];
 
        for (int i = 0; i < n; i++) {
 
            int num = sc.nextInt();
            dp = new long[num + 3];
            dp[1] = 1;
            dp[2] = 1;
            dp[3] = 1;
 
            for (int j = 4; j <= num; j++) {
                dp[j] = dp[j - 3] + dp[j - 2];
 
            }
            arr[i] = dp[num];
 
        }
 
        for (long s : arr) {
            System.out.println(s);
        }
 
    }
 
}