diff --git "a/LiiNi-coder/202512/01 BOJ \355\203\200\354\235\274 \354\261\204\354\232\260\352\270\260.md" "b/LiiNi-coder/202512/01 BOJ \355\203\200\354\235\274 \354\261\204\354\232\260\352\270\260.md" new file mode 100644 index 00000000..a0469064 --- /dev/null +++ "b/LiiNi-coder/202512/01 BOJ \355\203\200\354\235\274 \354\261\204\354\232\260\352\270\260.md" @@ -0,0 +1,32 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + int N = Integer.parseInt(br.readLine()); + if(N % 2 == 1) { + System.out.println(0); + return; + } + + + int[] dp = new int[N + 1]; + dp[0] = 1; + dp[2] = 3; + + for(int i = 4; i <= N; i += 2){ + //dp[i-2]에 3개 패턴적용 + dp[i] = dp[i - 2] * 3; + //짝수 이전 칸에 2개 패턴적용 + for(int j = i - 4; j >= 0; j -= 2){ + dp[i] += dp[j] * 2; + } + } + + System.out.println(dp[N]); + } +} + +```