[20250206] BOJ / 실버2 / 별 찍기 - 22 / 김수연

Author: suyeun84

suyeun84/202502/06 BOJ S2 별 찍기 - 22.md

@@ -0,0 +1,50 @@
+```java
+import java.util.*;
+import java.io.*;
+
+class Solution
+{
+    public static void main(String[] args) throws Exception{
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+        
+        int N = Integer.parseInt(st.nextToken());
+        if (N == 1) {
+        	System.out.println('*');
+        	return;
+        }
+	    int row = 4*N-1;
+	    int col = 4*N-3;
+	    char[][] board = new char[row][col];
+	    for (int i = 0; i < row; i++) {
+	        Arrays.fill(board[i], ' ');
+	    }
+	    int cnt = 0;
+	    for (int c = 0; c < N; c++) {
+	    	for (int i = cnt; i < row-cnt; i++) {
+	    		board[i][cnt] = '*';
+	    		board[i][col-cnt-1] = '*';
+	    	}
+	    	for (int j = cnt; j < col-cnt; j++) {
+	    		board[cnt][j] = '*';
+	    		board[row-cnt-1][j] = '*';
+	    	}
+	    	cnt += 2;
+	    }
+	    
+	    for (int i = 1; i < col/2+1; i++) {
+	    	if (i % 2 == 0) board[i][col-i] = '*';
+	    	else board[i][col-i] = ' ';
+	    }
+        
+	    for (int i = 0; i < row; i++) {
+    		for (int j = 0; j < col; j++) {
+    			if(i == 1 && j > 0) continue;
+    			System.out.print(board[i][j]);
+    		}
+    		System.out.println();
+    	}
+    }
+}
+
+```