[백준] 13301 타일 장식물 - Dynamic Programming / Java

• 문제 링크

13301번: 타일 장식물

 

• 풀이 과정

 

• 풀이 코드

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

        int n = Integer.parseInt(br.readLine());

        long[] dp = new long[n + 1];
        dp[0] = 2;
        dp[1] = 4;

        for (int i = 2; i <= n; i++)
            dp[i] = dp[i - 1] + dp[i - 2];

        bw.write(String.valueOf(dp[n]));
        bw.flush();
    }

}