diff --git "a/lkhyun/202508/03 BOJ G4 \355\203\200\354\235\274 \354\261\204\354\232\260\352\270\260.md" "b/lkhyun/202508/03 BOJ G4 \355\203\200\354\235\274 \354\261\204\354\232\260\352\270\260.md" new file mode 100644 index 00000000..938c2328 --- /dev/null +++ "b/lkhyun/202508/03 BOJ G4 \355\203\200\354\235\274 \354\261\204\354\232\260\352\270\260.md" @@ -0,0 +1,30 @@ +```java +import java.util.*; +import java.io.*; + +public class Main { + static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + static StringTokenizer st; + static int N; + static int[] dp; + + public static void main(String[] args) throws Exception { + int N = Integer.parseInt(br.readLine()); + if(N%2 == 1){ + bw.write("0"); + bw.close(); + return; + } + + dp = new int[N+1]; + dp[0] = 1; + dp[2] = 3; + for (int i = 4; i <= N; i++) { + dp[i] = 4*dp[i-2] - dp[i-4]; + } + bw.write(dp[N]+""); + bw.close(); + } +} +```