From d5921e5c2849a890f1aaf552ddfa7f2aec9585b5 Mon Sep 17 00:00:00 2001
From: myoshizumi <myoshizumi@alumni.berklee.edu>
Date: Mon, 9 Feb 2026 13:52:45 +0900
Subject: [PATCH 1/2] Fix second round review feedback
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Add step-arrow marker to result SVG to fix missing arrow heads
- Unify time complexity to O(√n + d·log n) across all HTML sections
- Remove unnecessary stepsData.length from useEffect dependencies
- Refactor test code to use show_divisor_details helper function
---
 .../Claude/Easy/Best Divisor/BestDivisor.html | 25 ++++++++++---
 .../Easy/Best Divisor/BestDivisor.ipynb       | 37 ++++++++++---------
 2 files changed, 39 insertions(+), 23 deletions(-)

diff --git a/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html b/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html
index 1020806e..c203bd20 100644
--- a/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html	
+++ b/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html	
@@ -83,7 +83,7 @@
             >
                 <h1 class="text-[2.5rem] font-bold text-teal-800 mb-2">Best Divisor</h1>
                 <p class="text-xl text-cyan-700 font-semibold mt-2">
-                    √n約数列挙+桁和比較 による O(√n) 実装
+                    √n約数列挙+桁和比較 による O(√n + d·log n) 実装
                 </p>
                 <nav class="flex flex-wrap gap-4 mt-6">
                     <a
@@ -171,8 +171,8 @@ <h3 class="text-xl font-bold text-teal-800 mt-6 mb-3">戦略</h3>
                 <h3 class="text-xl font-bold text-teal-800 mt-6 mb-3">主要ポイント</h3>
                 <ul class="list-disc list-inside space-y-2 text-slate-700 ml-4">
                     <li>
-                        <strong>時間計算量:</strong> O(√n) - √n までのループ + O(d log d)
-                        の桁和計算（d は約数の個数）
+                        <strong>時間計算量:</strong> O(√n + d·log n) - √n までのループ +
+                        各約数の桁和計算 O(log n)
                     </li>
                     <li><strong>空間計算量:</strong> O(d) - 約数リストの保存</li>
                     <li>
@@ -1085,10 +1085,10 @@ <h3 class="text-lg font-bold text-slate-700 mb-3">📖 フローチャートの
                                 <td class="border-2 border-slate-200 px-4 py-3">
                                     <span
                                         class="px-3 py-1 bg-emerald-100 text-emerald-800 rounded-full font-mono font-bold"
-                                        >O(√n)</span
+                                        >O(√n + d·log n)</span
                                     >
                                     <div class="text-sm text-slate-600 mt-1">
-                                        √n までループ + O(d log d) 桁和計算
+                                        √n までループ + 各約数の桁和計算 O(log n)
                                     </div>
                                 </td>
                                 <td class="border-2 border-slate-200 px-4 py-3">
@@ -1967,6 +1967,19 @@ <h3 class="text-xl font-bold text-teal-800 mt-8 mb-3">具体例での計算量</
                             viewBox="0 0 600 250"
                             style={{ maxWidth: '100%', height: 'auto', marginTop: '20px' }}
                         >
+                            <defs>
+                                <marker
+                                    id="step-arrow"
+                                    markerWidth="10"
+                                    markerHeight="10"
+                                    refX="9"
+                                    refY="3"
+                                    orient="auto"
+                                    markerUnits="strokeWidth"
+                                >
+                                    <path d="M0,0 L0,6 L9,3 z" fill="#64748b" />
+                                </marker>
+                            </defs>
                             {/* Input */}
                             <rect
                                 x="50"
@@ -2131,7 +2144,7 @@ <h3 class="text-xl font-bold text-teal-800 mt-8 mb-3">具体例での計算量</
                     return () => {
                         if (timerRef.current) clearTimeout(timerRef.current);
                     };
-                }, [isPlaying, activeStep, stepsData.length]);
+                }, [isPlaying, activeStep]);
 
                 const handlePlay = () => {
                     if (isPlaying) return;
diff --git a/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.ipynb b/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.ipynb
index 6c4c376b..054c55e9 100644
--- a/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.ipynb	
+++ b/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.ipynb	
@@ -112,23 +112,26 @@
                 "    status = \"✓\" if result == expected else \"✗\"\n",
                 "    print(f\"{status} n={n}: expected={expected}, got={result}\")\n",
                 "\n",
-                "# 詳細デバッグ用\n",
-                "print(\"\\n=== n=12 の詳細 ===\")\n",
-                "n = 12\n",
-                "divisors = []\n",
-                "i = 1\n",
-                "while i * i <= n:\n",
-                "    if n % i == 0:\n",
-                "        divisors.append(i)\n",
-                "        if i != n // i:\n",
-                "            divisors.append(n // i)\n",
-                "    i += 1\n",
-                "\n",
-                "print(f\"約数: {sorted(divisors)}\")\n",
-                "for d in sorted(divisors):\n",
-                "    digit_sum = sum(int(digit) for digit in str(d))\n",
-                "    print(f\"  {d} → 桁和 = {digit_sum}\")\n",
-                "print(f\"最良約数: {findBestDivisor(n)}\")"
+                "# 詳細デバッグ用（n=12 の例）\n",
+                "def show_divisor_details(n):\n",
+                "    \"\"\"約数とその桁和を表示するヘルパー関数\"\"\"\n",
+                "    divisors = []\n",
+                "    i = 1\n",
+                "    while i * i <= n:\n",
+                "        if n % i == 0:\n",
+                "            divisors.append(i)\n",
+                "            if i != n // i:\n",
+                "                divisors.append(n // i)\n",
+                "        i += 1\n",
+                "    \n",
+                "    print(f\"\\n=== n={n} の詳細 ===\")\n",
+                "    print(f\"約数: {sorted(divisors)}\")\n",
+                "    for d in sorted(divisors):\n",
+                "        digit_sum = sum(int(digit) for digit in str(d))\n",
+                "        print(f\"  {d} → 桁和 = {digit_sum}\")\n",
+                "    print(f\"最良約数: {findBestDivisor(n)}\")\n",
+                "\n",
+                "show_divisor_details(12)"
             ]
         },
         {

From df927ca02a891bc7c7eac09d0eef10a8159a96e8 Mon Sep 17 00:00:00 2001
From: myoshizumi <myoshizumi@alumni.berklee.edu>
Date: Mon, 9 Feb 2026 14:26:31 +0900
Subject: [PATCH 2/2] Remove SRI hashes to fix CSS loading in local environment

- Remove integrity and crossorigin attributes from all CDN resources
- Fix CORS blocking issues when opening HTML via file:// protocol
- Tailwind CSS now loads correctly
- Prism.js syntax highlighting now works for Python code
---
 .../Claude/Easy/Best Divisor/BestDivisor.html | 38 +++----------------
 1 file changed, 6 insertions(+), 32 deletions(-)

diff --git a/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html b/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html
index c203bd20..bc77b44a 100644
--- a/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html	
+++ b/Mathematics/Fundamentals/HackerRank/Claude/Easy/Best Divisor/BestDivisor.html	
@@ -6,7 +6,7 @@
         <title>Best Divisor - √n約数列挙+桁和比較</title>
 
         <!-- Tailwind CSS -->
-        <script src="https://cdn.tailwindcss.com" crossorigin="anonymous"></script>
+        <script src="https://cdn.tailwindcss.com"></script>
 
         <!-- Google Fonts -->
         <link rel="preconnect" href="https://fonts.googleapis.com" />
@@ -20,20 +20,14 @@
         <link
             href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/themes/prism-tomorrow.min.css"
             rel="stylesheet"
-            integrity="sha512-vswe+cgvic/XBoF1OcM/TeJ2FW0OofqAVdCZiEYkd6dwGXthvkSFWOoGGJgS2CW70VK5dQM5Oh+7ne47s74VTg=="
-            crossorigin="anonymous"
         />
         <link
             href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/line-numbers/prism-line-numbers.min.css"
             rel="stylesheet"
-            integrity="sha512-cbQXwDFK7lj2Fqfkuxbo5iD1dSbLlJGXGpfTDqbggqjHJeyzx88I3rfwjS38WJag/ihH7lzuGlGHpDBymLirZQ=="
-            crossorigin="anonymous"
         />
         <link
             href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/toolbar/prism-toolbar.min.css"
             rel="stylesheet"
-            integrity="sha512-Dqf5696xtofgH089BgZJo2lSWTvev4GFo+gA2o4GullFY65rzQVQLQVlzLvYwTo0Bb2Gpb6IqwxYWtoMonfdhQ=="
-            crossorigin="anonymous"
         />
 
         <style>
@@ -1214,31 +1208,11 @@ <h3 class="text-xl font-bold text-teal-800 mt-8 mb-3">具体例での計算量</
         <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
 
         <!-- Prism.js -->
-        <script
-            src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/prism.min.js"
-            integrity="sha512-7Z9J3l1+EYfeaPKcGXu3MS/7T+w19WtKQY/n+xzmw4hZhJ9tyYmcUS+4QqAlzhicE5LAfMQSF3iFTK9bQdTxXg=="
-            crossorigin="anonymous"
-        ></script>
-        <script
-            src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-python.min.js"
-            integrity="sha512-AKaNmg8COK0zEbjTdMHJAPJ0z6VeNqvRvH4mfRRWDO9CMxRqi0BlcjWXELn7AbfCvLsZ/SBv8kNEGZOJVdWRCQ=="
-            crossorigin="anonymous"
-        ></script>
-        <script
-            src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/line-numbers/prism-line-numbers.min.js"
-            integrity="sha512-BttltKXFyWnGZQcRWj6osIg7lbizJchuAMotOkdLxHxwt/Hyo+cl47bZU0QADg+Qt5DJwni3SbYGXeGMB5cBcw=="
-            crossorigin="anonymous"
-        ></script>
-        <script
-            src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/toolbar/prism-toolbar.min.js"
-            integrity="sha512-st608h+ZqzliahyzEpETxzU0f7z7a9acN6AFvYmHvpFhmcFuKT8a22TT5TpKpjDa3pt3Wv7Z3SdQBCBdDPhyWA=="
-            crossorigin="anonymous"
-        ></script>
-        <script
-            src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/copy-to-clipboard/prism-copy-to-clipboard.min.js"
-            integrity="sha512-/kVH1yrq7ajXhLpvjMxXJqPp6R9w7bqCjW5xhPjGAJTo9JTlx2NjQnM4+Q8dWmjJoMTaYVm7/ZqfqbWLGz+CIQ=="
-            crossorigin="anonymous"
-        ></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/prism.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-python.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/line-numbers/prism-line-numbers.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/toolbar/prism-toolbar.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/copy-to-clipboard/prism-copy-to-clipboard.min.js"></script>
 
         <!-- React Component -->
         <script type="text/babel">