fix(docs): resolve code review findings in Halloween_party files

Author: myoshi2891

Mathematics/Fundamentals/HackerRank/Claude/Easy/Halloween party/Halloween_party.html

@@ -17,13 +17,11 @@
         <script src="https://cdn.tailwindcss.com"></script>
 
         <!-- React 18 -->
-        <script src="https://unpkg.com/react@18/umd/react.development.js" crossorigin></script>
+        <script src="https://unpkg.com/react@18/umd/react.production.min.js" crossorigin></script>
         <script
-            src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"
+            src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"
             crossorigin
         ></script>
-        <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
-
         <!-- Prism.js -->
         <link
             rel="stylesheet"
@@ -793,7 +791,7 @@
                                     HackerRank
                                 </span>
                                 <span className="bg-purple-700 text-white text-sm font-bold px-3 py-1 rounded-full">
-                                    Medium
+                                    Easy
                                 </span>
                                 <span className="text-orange-300 text-xl">🎃</span>
                             </div>

Mathematics/Fundamentals/HackerRank/Claude/Easy/Halloween party/Halloween_party.md

@@ -323,9 +323,10 @@ k >> 1        # BINARY_OP (RSHIFT)
 ### 入出力の最適化（大量テストケース向け）
 
 ```python
-import sys
 from __future__ import annotations
 
+import sys
+
 def halloweenParty(k: int) -> int:
     return (k >> 1) * ((k + 1) >> 1)
 

public/Mathematics/Fundamentals/HackerRank/Claude/Easy/Halloween party/Halloween_party.html

@@ -17,13 +17,11 @@
         <script src="/vendor/tailwindcss/script.js"></script>
 
         <!-- React 18 -->
-        <script src="/vendor/react/react.development.js" crossorigin></script>
+        <script src="/vendor/react/react.production.min.js" crossorigin></script>
         <script
-            src="/vendor/react-dom/react-dom.development.js"
+            src="/vendor/react-dom/react-dom.production.min.js"
             crossorigin
         ></script>
-        <script src="/vendor/babel/babel.min.js"></script>
-
         <!-- Prism.js -->
         <link
             rel="stylesheet"
@@ -793,7 +791,7 @@
                                     HackerRank
                                 </span>
                                 <span className="bg-purple-700 text-white text-sm font-bold px-3 py-1 rounded-full">
-                                    Medium
+                                    Easy
                                 </span>
                                 <span className="text-orange-300 text-xl">🎃</span>
                             </div>

public/index.html

@@ -795,7 +795,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-27 00:45:03 UTC
+        Generated on 2026-02-27 00:54:25 UTC
     </footer>
 
     <script>