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myoshi2891 merged 2 commits into from
Feb 7, 2026
Merged

Update snail traversal implementation and add SRI verification utility #254

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c96de28
Address review feedback: fix README examples, types, HTML, and handle…
myoshi2891 Feb 7, 2026
46f7cd3
Fix CSS loading: update SRI hashes, add Prism JS, use Tailwind Play C…
myoshi2891 Feb 7, 2026
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3 changes: 1 addition & 2 deletions JavaScript/2624. Snail Traversal/Claude Code Sonnet 4.5/README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,6 @@ graph LR
| 基本版（Array.from） | ~158ms | ~69MB | 可読性高、標準的 |
| 最適化版（ビット演算） | 154ms | 69.54MB | ビット演算で高速化 |
| 高速化版（変数キャッシング） | 158ms | 69.10MB | 更なる高速化 |
| メモリ最優先版 | 148ms | 67.10MB | メモリ効率最大化 |

_\*数値は特定環境での測定例です_

Expand Down Expand Up @@ -338,7 +337,7 @@ const lastRow = rows - 1;
5. **空配列**

```typescript
[].snail(1, 0); // → [] (入力サイズ 0)
[].snail(0, 0); // → [] (1×1=1 ≠ 0のため空配列を返す)

@coderabbitai coderabbitai Bot Feb 7, 2026

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⚠️ Potential issue | 🟡 Minor

エッジケースのコメントが不正確

[].snail(0, 0) の場合、0 * 0 = 0 で this.length = 0 と一致するため、バリデーションは通過します。結果として空配列 [] が返りますが、それはバリデーション失敗ではなく、行数が0のため空の結果が返るという理由です。

コメントの「1×1=1 ≠ 0のため空配列を返す」は誤りです。

🐛 修正案 
-    [].snail(0, 0); // → [] (1×1=1 ≠ 0のため空配列を返す)
+    [].snail(0, 0); // → [] (0×0=0 = length なのでバリデーション通過、行数0のため空配列)
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
[].snail(0, 0); // → [] (1×1=1 ≠ 0のため空配列を返す)
[].snail(0, 0); // → [] (0×0=0 = length なのでバリデーション通過、行数0のため空配列)
🤖 Prompt for AI Agents 
In `@JavaScript/2624`. Snail Traversal/Claude Code Sonnet 4.5/README.md at line
340, The comment for the example invoking the snail method is incorrect: update
the comment on the line with [].snail(0, 0); to state that validation passes
because 0 * 0 = 0 equals this.length and that an empty array is returned because
the requested matrix has zero rows (not because validation failed or because
"1×1=1 ≠ 0"); look for the snail function/example entry (the [].snail(0, 0)
example) and replace the misleading Japanese comment with one that accurately
describes that an empty result is returned due to zero dimensions.

```

6. **標準ケース（偶数列）**
Expand Down
50 changes: 23 additions & 27 deletions JavaScript/2624. Snail Traversal/Claude Code Sonnet 4.5/README_react.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,8 @@
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>LeetCode: Snail Traversal - 蛇行パターンで1D→2D配列変換</title>

<!-- Tailwind CSS -->
<script
src="https://cdn.tailwindcss.com/3.4.1"
crossorigin="anonymous"
></script>
<!-- Tailwind CSS (Play CDN - SRI非対応) -->
<script src="https://cdn.tailwindcss.com"></script>

<!-- Google Fonts -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
Expand All @@ -23,19 +20,19 @@
<link
href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/themes/prism-tomorrow.min.css"
rel="stylesheet"
integrity="sha384-wFjoQjtV1y5jVHbt0p35Ui8aV8GVpEZkyF99OXWqP/eNJDU93D3Ugxkoyh6Y2I4"
integrity="sha384-wFjoQjtV1y5jVHbt0p35Ui8aV8GVpEZkyF99OXWqP/eNJDU93D3Ugxkoyh6Y2I4A"
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="sha384-AnUkTNLI8COlMCRJ0FHIdX76If83145OTCLUx4gQyfnO0gGeO/sD9czGEUBxtkUU"
integrity="sha384-nUkTNLI8COlMCRJ0FHIdX76If83145OTCLUx4gQyfnO0gGeO/sD9czGEUBxtkcUv"
crossorigin="anonymous"
/>
<link
href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/toolbar/prism-toolbar.min.css"
rel="stylesheet"
integrity="sha384-vEUzJ34/1CCeefTGUKLgvA5Z/vYIwi+Jyu8aAaCfFDxfwZ3Xs3OfkkIeegsLRM11"
integrity="sha384-EUzJ34/1CCeefTGUKLgvA5Z/vYIwi+Jyu8aAaCfFDxfwZ3Xs3OfkkIeegsLRM11e"
crossorigin="anonymous"
/>

Expand Down Expand Up @@ -251,8 +248,10 @@ <h3 class="text-xl font-semibold text-teal-800 mt-6 mb-3">戦略のポイント<
TypeScript実装（最適化版）
</h2>

<pre class="line-numbers"><code class="language-typescript">declare interface Array<T> {
snail(rowsCount: number, colsCount: number): T[][];
<pre class="line-numbers"><code class="language-typescript">declare global {
interface Array&lt;T&gt; {
snail(this: T[], rowsCount: number, colsCount: number): T[][];
}
Comment on lines +251 to +254

@coderabbitai coderabbitai Bot Feb 7, 2026

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⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Find the files mentioned in the review comment
echo "=== Looking for the files ==="
find . -name "*README_react.html" -o -name "*Snail_Traversal_TS.ipynb" -o -name "README.md" | head -20

Repository: myoshi2891/Algorithm-DataStructures-Math-SQL

Length of output: 1378

🏁 Script executed:

#!/bin/bash
# Search for Snail Traversal directory
echo "=== Searching for Snail Traversal files ==="
find . -type d -name "*Snail*" 2>/dev/null
find . -name "*README_react.html" 2>/dev/null
find . -name "*Snail_Traversal_TS*" 2>/dev/null
</script>

Repository: myoshi2891/Algorithm-DataStructures-Math-SQL

Length of output: 2038

🏁 Script executed:

#!/bin/bash
# Read the HTML file around lines 251-254
echo "=== Checking README_react.html lines 240-265 ==="
sed -n '240,265p' "./JavaScript/2624. Snail Traversal/Claude Code Sonnet 4.5/README_react.html"

echo ""
echo "=== Checking Snail_Traversal_TS.ipynb structure ==="
# Get the line count of the notebook
wc -l "./JavaScript/2624. Snail Traversal/Claude Code Sonnet 4.5/Snail_Traversal_TS.ipynb"

echo ""
echo "=== Checking notebook for snail method declaration around line 29 ==="
sed -n '1,100p' "./JavaScript/2624. Snail Traversal/Claude Code Sonnet 4.5/Snail_Traversal_TS.ipynb" | grep -i "snail\|declare\|interface" -A 2 -B 2

Repository: myoshi2891/Algorithm-DataStructures-Math-SQL

Length of output: 2782

ノートブック版の型定義を HTML 版と同期する必要がある

HTML ファイル（行 251-254）では snail(this: T[], rowsCount: number, colsCount: number): T[][] として this パラメータが含まれていますが、ノートブック版（Snail_Traversal_TS.ipynb）では snail(rowsCount: number, colsCount: number): T[][] として this パラメータがありません。ノートブック版も this: T[] パラメータを追加し、両ファイル間の型定義を一致させてください。

🤖 Prompt for AI Agents 
In `@JavaScript/2624`. Snail Traversal/Claude Code Sonnet 4.5/README_react.html
around lines 251 - 254, Update the notebook's TypeScript declaration for
Array<T>. Locate the interface Array<T> declaration that defines
snail(rowsCount: number, colsCount: number): T[][] and change the method
signature to include the explicit this parameter so it reads snail(this: T[],
rowsCount: number, colsCount: number): T[][]; ensure the change targets the
snail method in the Array<T> interface so the notebook's type definition matches
the HTML version.

}

/**
Expand Down Expand Up @@ -1297,18 +1296,20 @@ <h3 class="text-xl font-semibold text-teal-800 mt-8 mb-4">実装方法の比較<
<p className="font-semibold text-emerald-900">
Snail Traversalパターン:
</p>
{visual.result2d[0].map((_, colIdx) => {
const isEvenCol = colIdx % 2 === 0;
const colValues = isEvenCol
? visual.result2d.map(r => r[colIdx])
: [...visual.result2d].reverse().map(r => r[colIdx]);

return (
<li key={colIdx}>
• 列{colIdx}: {isEvenCol ? '上から下' : '下から上'} [{colValues.join(', ')}]
</li>
);
})}
<ul>
{visual.result2d[0].map((_, colIdx) => {
const isEvenCol = colIdx % 2 === 0;
const colValues = isEvenCol
? visual.result2d.map(r => r[colIdx])
: [...visual.result2d].reverse().map(r => r[colIdx]);

return (
<li key={colIdx}>
• 列{colIdx}: {isEvenCol ? '上から下' : '下から上'} [{colValues.join(', ')}]
</li>
);
})}
</ul>
</div>
</div>
)}
Expand Down Expand Up @@ -1619,10 +1620,5 @@ <h3 className="mt-0 text-teal-800 text-xl font-semibold">
const root = ReactDOM.createRoot(document.getElementById('react-root'));
root.render(<SnailTraversalSteps />);
</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-typescript.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>
</body>
</html>
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