From 90417cebe52941f0bc7282ddc3f631b267a6529d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EB=AF=BC=EC=A7=84?= <zinnnn37@gmail.com>
Date: Tue, 26 Aug 2025 16:40:55 +0900
Subject: [PATCH] =?UTF-8?q?[20250826]=20BOJ=20/=20G1=20/=20=EB=8F=99?=
 =?UTF-8?q?=EC=A0=84=20=EB=92=A4=EC=A7=91=EA=B8=B0=20/=20=EA=B9=80?=
 =?UTF-8?q?=EB=AF=BC=EC=A7=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...4 \353\222\244\354\247\221\352\270\260.md" | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 "zinnnn37/202508/26 BOJ G1 \353\217\231\354\240\204 \353\222\244\354\247\221\352\270\260.md"

diff --git "a/zinnnn37/202508/26 BOJ G1 \353\217\231\354\240\204 \353\222\244\354\247\221\352\270\260.md" "b/zinnnn37/202508/26 BOJ G1 \353\217\231\354\240\204 \353\222\244\354\247\221\352\270\260.md"
new file mode 100644
index 00000000..99b14e44
--- /dev/null
+++ "b/zinnnn37/202508/26 BOJ G1 \353\217\231\354\240\204 \353\222\244\354\247\221\352\270\260.md"	
@@ -0,0 +1,69 @@
+```java
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+
+public class BJ_1285_동전_뒤집기 {
+
+    private static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    private static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+    private static int N;
+    private static int ans;
+    private static int[] coins;
+
+    public static void main(String[] args) throws IOException {
+        init();
+        sol();
+    }
+
+    private static void init() throws IOException {
+        N = Integer.parseInt(br.readLine());
+        ans = Integer.MAX_VALUE;
+
+        coins = new int[N];
+        for (int i = 0; i < N; i++) {
+            String s = br.readLine();
+            for (int j = 0; j < N; j++) {
+                if (s.charAt(j) == 'T') {
+                    coins[i] += (1 << j);
+                }
+            }
+        }
+    }
+
+    private static void sol() throws IOException {
+        // 행 뒤집기
+        for (int rowFillped = 0; rowFillped < (1 << N); rowFillped++) {
+            // 뒷면
+            int totalTails = 0;
+
+            for (int row = 0; row < N; row++) {
+                // 0일 때 뒤집지 않고(0), 1일 때 뒤집을 때(1) 0이 되어야 해서 XOR 연산
+                int tailsInCol = Integer.bitCount(coins[row] ^ rowFillped);
+                totalTails += Math.min(tailsInCol, N - tailsInCol);
+            }
+            ans = Math.min(ans, totalTails);
+        }
+
+        bw.write(ans + "");
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+
+    private static int countTails(boolean[][] arr) {
+        int cnt = 0;
+        for (int i = 0; i < N; i++) {
+            for (int j = 0; j < N; j++) {
+                if (arr[i][j]) {
+                    cnt++;
+                }
+            }
+        }
+        return cnt;
+    }
+}
+```
\ No newline at end of file