[20250817] BOJ / G4 / 별찍기 11 / 이준희

Author: JHLEE325

JHLEE325/202508/17 BOJ G4 별찍기 11.md

@@ -0,0 +1,41 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static char[][] map;
+
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        int n = Integer.parseInt(br.readLine().trim());
+        int w = 2 * n - 1;
+
+        map = new char[n][w];
+        for (int i = 0; i < n; i++) Arrays.fill(map[i], ' ');
+
+        draw(0, n - 1, n);
+
+        StringBuilder sb = new StringBuilder(n * (w + 1));
+        for (int i = 0; i < n; i++) {
+            sb.append(map[i]).append('\n');
+        }
+        System.out.print(sb);
+    }
+
+    static void draw(int r, int c, int size) {
+        if (size == 3) {
+            map[r][c] = '*';
+            map[r + 1][c - 1] = '*';
+            map[r + 1][c + 1] = '*';
+            for (int d = -2; d <= 2; d++) map[r + 2][c + d] = '*';
+            return;
+        }
+
+        int h = size / 2;
+        draw(r, c, h);
+        draw(r + h, c - h, h);
+        draw(r + h, c + h, h);
+    }
+}
+
+```