[BOJ] 14231 박스 포장 (JAVA)

https://www.acmicpc.net/problem/14231

14231번: 박스 포장

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
	
    public static void main(String[] args) throws Exception {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());
        int[] input = new int[N];
        int[] dp = new int[N];
        StringTokenizer st = new StringTokenizer(br.readLine(), " ");
        for (int i = 0; i < N; i++) {
            input[i] = Integer.parseInt(st.nextToken());
        } // end of input

        int max = 1;
        for (int i = 0; i < N; i++) {
            dp[i] = 1;
            for (int j = 0; j < i; j++) {
                if (input[j] < input[i]) dp[i] = Math.max(dp[i], dp[j] + 1);
            }
            max = Math.max(max, dp[i]);
        }

        System.out.print(max);

    }
	
}