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Fix code review issues and SRI hashes for LeetCode 2625 solution#256

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myoshi2891 merged 2 commits into
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dev-from-macmini
Feb 8, 2026
Merged

Fix code review issues and SRI hashes for LeetCode 2625 solution#256
myoshi2891 merged 2 commits into
mainfrom
dev-from-macmini

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FlattenDeeplyNestedArray_TS.ipynb: ノートブックの記述修正
README_react.html: SRIハッシュ更新、React本番ビルドへの切り替え

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📝 Walkthrough

Summary by CodeRabbit

リリースノート

  • セキュリティ強化
    • 外部リソースに整合性(integrity)および crossorigin 属性を追加し安全性を向上しました。
  • パフォーマンス改善
    • 本番用スクリプト導入で実行効率を向上しました。
    • 配列処理の実装と説明を見直し、要素単位の追加で実行時間が改善した旨を反映しました。
  • UI調整
    • フローチャートや図表のレイアウト座標を最適化しました。
  • その他
    • ノートブックの不要セル削除と小さな構造調整を行いました。

Walkthrough

JavaScriptのノートブックとHTMLを更新。ノートブックではフラット化アルゴリズムの時間複雑度表記と説明を修正・追記し、空のマークダウンセルを削除。HTMLでは外部資産にintegrity/crossoriginを追加し本番用スクリプトへ切替、SVG座標とuseEffect依存配列を調整。

Changes

Cohort / File(s) Summary
Notebook: Flatten implementation & docs
JavaScript/2625. Flatten Deeply Nested Array/Claude Code Sonnet 4.5 extended/FlattenDeeplyNestedArray_TS.ipynb
パフォーマンステーブルでreduceベース行の時間計算量をO(N)O(N²)に修正。複数箇所で「Time: O(N), Space: O(N + D)」注記をTime: O(N²), Space: O(N + D)へ更新。スプレッド操作の性能説明を拡張し、要素ごとのpushでの改善例(156ms→80ms)を追記。空のマークダウンセル(id 253e2ebb)を削除。改行末尾マーカーの調整あり。
HTML: asset integrity, scripts, UI tweaks
JavaScript/2625. Flatten Deeply Nested Array/Claude Code Sonnet 4.5 extended/README_react.html
Prism CSS・React・ReactDOM・Babelスクリプトタグへintegritycrossorigin属性を追加し、開発ビルドから本番ビルドへ差し替え。SVGおよびフローチャートの座標(x/ d値)を複数箇所で調整。useEffectの依存配列にstepsData.lengthを追加。

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

Poem

🐇 小さな耳で数を数え、
ネストをほどいて一歩ずつ、
O(N²)と書き直しながら、
本番スクリプトで跳ね回る、
座標もぴたっと決まったよ。

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check name Status Explanation
Title check ✅ Passed タイトルは変更内容と関連しており、SRIハッシュの修正とコードレビュー問題の修正という主要な変更内容を適切に要約しています。
Description check ✅ Passed 説明は日本語で記述されており、2つのファイルの変更内容(ノートブックの記述修正とSRIハッシュ・React本番ビルドの更新)を述べており、変更内容と関連しています。
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing touches
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branch dev-from-macmini

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Actionable comments posted: 3

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
JavaScript/2625. Flatten Deeply Nested Array/Claude Code Sonnet 4.5 extended/README_react.html (1)

1113-1118: ⚠️ Potential issue | 🟡 Minor

Prism JS スクリプトに SRI ハッシュが未設定です。

Prism の CSS ファイル(Line 20-37)には integritycrossorigin 属性を追加していますが、JS スクリプト(6ファイル)には追加されていません。セキュリティポリシーの一貫性を保つため、JS スクリプトにも同様に SRI ハッシュを設定してください。

🤖 Fix all issues with AI agents
In `@JavaScript/2625`. Flatten Deeply Nested Array/Claude Code Sonnet 4.5
extended/FlattenDeeplyNestedArray_TS.ipynb:
- Line 33: Update the remaining inconsistent complexity mentions to match the
corrected O(N²) for the reduce-chain approach: change the sentence that
currently reads "全アプローチがO(N)で同等だが" to reflect that the reduce-based
implementation (labeled "reduce連鎖") is O(N²) rather than O(N), and update the
JSDoc/@complexity for the flatReduce function (symbol: flatReduce) from "Time:
O(N)" to "Time: O(N²)"; ensure the summary/table row for "reduce連鎖" remains
O(N²) so all references are consistent.

In `@JavaScript/2625`. Flatten Deeply Nested Array/Claude Code Sonnet 4.5
extended/README_react.html:
- Around line 52-56: The script tag uses an unversioned src
("@babel/standalone/babel.min.js") with a fixed integrity hash; pin the Babel
standalone to a specific released version and update the integrity attribute to
the corresponding SRI for that exact release: change the src to include the
version number (e.g., "@babel/standalone@X.Y.Z/babel.min.js") and replace the
integrity string to the SRI that matches that release so the browser can verify
the file correctly.
- Around line 39-56: The script tags currently use floating tags like
"react@18", "react-dom@18", and "@babel/standalone" together with SRI hashes;
pin each CDN URL to an exact, immutable release (e.g., react@18.x.y and
react-dom@18.x.y and `@babel/standalone`@x.y.z) and update their corresponding
integrity attributes to the correct SRI for those exact files (change the React
& ReactDOM (Production) script srcs and integrity values and the Babel
Standalone script src and integrity accordingly) so unpkg will not redirect to a
different minor/patch release and SRI will remain valid.

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Actionable comments posted: 1

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
JavaScript/2625. Flatten Deeply Nested Array/Claude Code Sonnet 4.5 extended/README_react.html (1)

8-9: 🧹 Nitpick | 🔵 Trivial

Tailwind CSS CDN は SRI ハッシュなしで読み込まれています。

他の全外部リソースには integrity + crossorigin が付与されていますが、Tailwind CDN (cdn.tailwindcss.com) は JIT コンパイラを含む動的スクリプトのため SRI の適用が困難です。ただし、このスクリプトは本番利用には非推奨であり、プロトタイプ/ドキュメント用途であれば問題ありません。本番環境に展開する場合は、Tailwind のビルド済み CSS に置き換えることを検討してください。

🤖 Fix all issues with AI agents
In `@JavaScript/2625`. Flatten Deeply Nested Array/Claude Code Sonnet 4.5
extended/FlattenDeeplyNestedArray_TS.ipynb:
- Line 126: Update the complexity annotation for the stack-iteration
implementation: change the documented time complexity in the comment/string that
currently reads "Time: O(N²), Space: O(N + D)" to "Time: O(N), Space: O(N + D)"
for the flatIterative implementation, since flatIterative pops each element once
and pushes to result in O(1) per item; ensure the change references the
flatIterative identifier so the doc stays consistent with the HTML comparison
table.

"/**\n",
" * 反復的なスタックベース実装(大規模データ対応)\n",
" * @complexity Time: O(N), Space: O(N + D)\n",
" * @complexity Time: O(N²), Space: O(N + D)\n",

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⚠️ Potential issue | 🟠 Major

スタック反復版の計算量が誤って O(N²) に変更されています。

flatIterative は各要素をスタックから1回ポップし、result.push(item) で O(1) 追加するだけなので、時間計算量は O(N) です。スプレッドや concat() は使用していません。HTML の比較表(スタック反復版: O(N))とも矛盾しています。

📝 修正案
-                " * `@complexity` Time: O(N²), Space: O(N + D)\n",
+                " * `@complexity` Time: O(N), Space: O(N + D)\n",
🤖 Prompt for AI Agents
In `@JavaScript/2625`. Flatten Deeply Nested Array/Claude Code Sonnet 4.5
extended/FlattenDeeplyNestedArray_TS.ipynb at line 126, Update the complexity
annotation for the stack-iteration implementation: change the documented time
complexity in the comment/string that currently reads "Time: O(N²), Space: O(N +
D)" to "Time: O(N), Space: O(N + D)" for the flatIterative implementation, since
flatIterative pops each element once and pushes to result in O(1) per item;
ensure the change references the flatIterative identifier so the doc stays
consistent with the HTML comparison table.

@myoshi2891 myoshi2891 merged commit d125942 into main Feb 8, 2026
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