docs(JavaScript): clarify actual vs predicted metrics in Group By docs

myoshi2891 · myoshi2891 · commit 260c1ddb7eae · 2026-02-28T15:00:19.000+09:00
diff --git a/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/Group_By_TS.ipynb b/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/Group_By_TS.ipynb
@@ -45,10 +45,8 @@
                 "\n",
                 "```typescript\n",
                 "// Analyze Complexity\n",
-                "// Runtime 98 ms\n",
-                "// Beats 80.23%\n",
-                "// Memory 79.27 MB\n",
-                "// Beats 40.00%\n",
+                "// 実測: Runtime 98 ms / Memory 79.27 MB\n",
+                "// Beats 80.23% / 40.00%\n",
                 "interface Array<T> {\n",
                 "    groupBy(fn: (item: T) => string): Record<string, T[]>;\n",
                 "}\n",
@@ -137,10 +135,8 @@
                 "\n",
                 "```typescript\n",
                 "// Analyze Complexity\n",
-                "// Runtime 101 ms\n",
-                "// Beats 70.34%\n",
-                "// Memory 74.68 MB\n",
-                "// Beats 90.11%\n",
+                "// 実測: Runtime 101 ms / Memory 74.68 MB\n",
+                "// Beats 70.34% / 90.11%\n",
                 "interface Array<T> {\n",
                 "    groupBy(fn: (item: T) => string): Record<string, T[]>;\n",
                 "}\n",
@@ -209,11 +205,11 @@
                 "\n",
                 "## 期待される改善効果\n",
                 "\n",
-                "| 指標 | Before | After(予測) |\n",
+                "| 指標 | Before(実測) | After(実測) |\n",
                 "|---|---|---|\n",
-                "| Runtime | 98ms / Beats 80% | ~70ms / Beats ~90%+ |\n",
-                "| Memory | 79.27MB / Beats 40% | ~74MB / Beats ~70%+ |\n",
-                "| 主な改善理由 | — | スタックフレーム削減・プロパティ参照最小化 |\n",
+                "| Runtime | 98 ms (Beats 80.23%) | 101 ms (Beats 70.34%) |\n",
+                "| Memory | 79.27 MB (Beats 40.00%) | 74.68 MB (Beats 90.11%) |\n",
+                "| 主な影響 | — | GCの影響によりRuntime微増・Memory大幅改善 |\n",
                 "\n",
                 "> **補足**: LeetCodeのメモリ計測はV8エンジンのGCタイミングに依存するため、実行ごとに若干ブレます。複数回提出して中央値で評価することを推奨します。"
             ]
@@ -234,4 +230,4 @@
     },
     "nbformat": 4,
     "nbformat_minor": 5
-}
+}
diff --git a/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/README.md b/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/README.md
@@ -128,13 +128,13 @@ graph LR
 
 ### `reduce` vs `for` ループ 比較
 
-| 項目                       | `reduce`       | `for` ループ               |
-| -------------------------- | -------------- | -------------------------- |
-| スタックフレーム           | n 回生成・破棄 | 1つを使い回す              |
-| 関数呼び出しオーバーヘッド | あり           | なし                       |
-| メモリ効率                 | やや劣る       | **優れる**                 |
-| 可読性                     | 高い（関数型） | 高い                       |
-| LeetCode Memory            | Beats ~40%     | **Beats ~70%+** (実測改善) |
+| 項目                       | `reduce`       | `for` ループ                |
+| -------------------------- | -------------- | --------------------------- |
+| スタックフレーム           | n 回生成・破棄 | 1つを使い回す               |
+| 関数呼び出しオーバーヘッド | あり           | なし                        |
+| メモリ効率                 | やや劣る       | **優れる**                  |
+| 可読性                     | 高い（関数型） | 高い                        |
+| LeetCode Memory            | Beats 40.00%   | **Beats 90.11%** (実測改善) |
 
 ---
 
diff --git a/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/README_react.html b/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/README_react.html
@@ -157,7 +157,7 @@ <h1 class="outfit text-[2.4rem] font-extrabold text-teal-900 mb-1 leading-tight"
                 for ループ + Object.create(null) による O(n) 実装
             </p>
             <p class="text-sm text-slate-600 mt-2">
-                Runtime: Beats ~93% ／ Memory: Beats ~70% へ最適化
+                実測: Memory Beats 90.11% へ最適化 (Runtime 101 ms / Memory 74.68 MB)
             </p>
             <nav class="flex flex-wrap gap-3 mt-6">
                 <a
@@ -1569,17 +1569,17 @@ <h3 className="outfit mt-0 text-teal-800 text-lg font-bold">
                 const metrics = [
                     {
                         label: 'Runtime',
-                        before: '98ms / Beats 80%',
-                        after: '~70ms / Beats 93%+',
-                        barBefore: 80,
-                        barAfter: 93,
+                        before: '実測: 98ms / Beats 80.23%',
+                        after: '実測: 101ms / Beats 70.34%',
+                        barBefore: 80.23,
+                        barAfter: 70.34,
                     },
                     {
                         label: 'Memory',
-                        before: '79.27MB / Beats 40%',
-                        after: '~74MB / Beats 70%+',
-                        barBefore: 40,
-                        barAfter: 70,
+                        before: '実測: 79.27MB / Beats 40.00%',
+                        after: '実測: 74.68MB / Beats 90.11%',
+                        barBefore: 40.0,
+                        barAfter: 90.11,
                     },
                 ];
 
diff --git a/public/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/README_react.html b/public/JavaScript/2631. Group By/Claude Code Sonnet 4.6 extended/README_react.html
@@ -157,7 +157,7 @@ <h1 class="outfit text-[2.4rem] font-extrabold text-teal-900 mb-1 leading-tight"
                 for ループ + Object.create(null) による O(n) 実装
             </p>
             <p class="text-sm text-slate-600 mt-2">
-                Runtime: Beats ~93% ／ Memory: Beats ~70% へ最適化
+                実測: Memory Beats 90.11% へ最適化 (Runtime 101 ms / Memory 74.68 MB)
             </p>
             <nav class="flex flex-wrap gap-3 mt-6">
                 <a
@@ -1569,17 +1569,17 @@ <h3 className="outfit mt-0 text-teal-800 text-lg font-bold">
                 const metrics = [
                     {
                         label: 'Runtime',
-                        before: '98ms / Beats 80%',
-                        after: '~70ms / Beats 93%+',
-                        barBefore: 80,
-                        barAfter: 93,
+                        before: '実測: 98ms / Beats 80.23%',
+                        after: '実測: 101ms / Beats 70.34%',
+                        barBefore: 80.23,
+                        barAfter: 70.34,
                     },
                     {
                         label: 'Memory',
-                        before: '79.27MB / Beats 40%',
-                        after: '~74MB / Beats 70%+',
-                        barBefore: 40,
-                        barAfter: 70,
+                        before: '実測: 79.27MB / Beats 40.00%',
+                        after: '実測: 74.68MB / Beats 90.11%',
+                        barBefore: 40.0,
+                        barAfter: 90.11,
                     },
                 ];
 
diff --git a/public/index.html b/public/index.html
@@ -797,7 +797,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-28 05:40:42 UTC
+        Generated on 2026-02-28 06:00:19 UTC
     </footer>
 
     <script>
