From 70975ced439cf1a8ca86882a7d6974e15d724ec1 Mon Sep 17 00:00:00 2001
From: juhui <wngml0108@gmail.com>
Date: Sat, 3 Jan 2026 19:33:45 +0900
Subject: [PATCH 1/2] Week 08 solution commit

---
 .../juhui-jeong.java                          | 26 +++++++++++++++++++
 reverse-bits/juhui-jeong.java                 | 22 ++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 longest-repeating-character-replacement/juhui-jeong.java
 create mode 100644 reverse-bits/juhui-jeong.java

diff --git a/longest-repeating-character-replacement/juhui-jeong.java b/longest-repeating-character-replacement/juhui-jeong.java
new file mode 100644
index 0000000000..0432a3f71f
--- /dev/null
+++ b/longest-repeating-character-replacement/juhui-jeong.java
@@ -0,0 +1,26 @@
+/* 
+ * 시간복잡도: O(n)
+ * 공간복잡도: O(1)
+*/
+class Solution {
+    public int characterReplacement(String s, int k) {
+        int left = 0;
+        int[] freq = new int[26];
+        int maxFreq = 0;
+        int ans = 0;
+
+        for (int right = 0; right < s.length(); right++) {
+            int rIdx = s.charAt(right) - 'A';
+            freq[rIdx]++;
+            maxFreq = Math.max(maxFreq, freq[rIdx]);
+
+            while((right - left + 1) - maxFreq > k) {
+                int lIdx = s.charAt(left) - 'A';
+                freq[lIdx]--;
+                left++;
+            }
+            ans = Math.max(ans, right - left + 1);
+        }
+        return ans;
+    }
+}
\ No newline at end of file
diff --git a/reverse-bits/juhui-jeong.java b/reverse-bits/juhui-jeong.java
new file mode 100644
index 0000000000..b0f92adb1d
--- /dev/null
+++ b/reverse-bits/juhui-jeong.java
@@ -0,0 +1,22 @@
+/*
+ * 시간 복잡도: O(1)
+ * 공간 복잡도: O(1)
+ */
+class Solution {
+
+    public static String toBinaryString(int value) {
+        String str = Integer.toBinaryString(value);
+        while (str.length() < 32) {
+            str = "0" + str;
+        }
+        return str;
+    }
+
+    public int reverseBits(int n) {
+        String binaryString = toBinaryString(n);
+        String reversed = new StringBuilder(binaryString).reverse().toString();
+        
+        int result = Integer.parseUnsignedInt(reversed, 2);
+        return result;
+    }
+}
\ No newline at end of file

From 1faa71d8097ffd0361e5ff5285b1317a54226ff1 Mon Sep 17 00:00:00 2001
From: juhui <wngml0108@gmail.com>
Date: Sat, 3 Jan 2026 22:19:43 +0900
Subject: [PATCH 2/2] Week 08

---
 longest-repeating-character-replacement/juhui-jeong.java | 2 +-
 reverse-bits/juhui-jeong.java                            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/longest-repeating-character-replacement/juhui-jeong.java b/longest-repeating-character-replacement/juhui-jeong.java
index 0432a3f71f..2984b03a50 100644
--- a/longest-repeating-character-replacement/juhui-jeong.java
+++ b/longest-repeating-character-replacement/juhui-jeong.java
@@ -23,4 +23,4 @@ public int characterReplacement(String s, int k) {
         }
         return ans;
     }
-}
\ No newline at end of file
+}
diff --git a/reverse-bits/juhui-jeong.java b/reverse-bits/juhui-jeong.java
index b0f92adb1d..3a8dd1cae8 100644
--- a/reverse-bits/juhui-jeong.java
+++ b/reverse-bits/juhui-jeong.java
@@ -19,4 +19,4 @@ public int reverseBits(int n) {
         int result = Integer.parseUnsignedInt(reversed, 2);
         return result;
     }
-}
\ No newline at end of file
+}