leetcode-problemset/leetcode/originData/nested-array-generator.json

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            "questionId": "2783",
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            "title": "Nested Array Generator",
            "titleSlug": "nested-array-generator",
            "content": "<p>Given a&nbsp;<strong>multi-dimensional array</strong> of integers, return&nbsp;a generator object which&nbsp;yields integers in the same order as&nbsp;<strong>inorder traversal</strong>.</p>\n\n<p>A&nbsp;<strong>multi-dimensional array</strong>&nbsp;is a recursive data structure that contains both integers and other&nbsp;<strong>multi-dimensional arrays</strong>.</p>\n\n<p><strong>inorder traversal</strong>&nbsp;iterates over&nbsp;each array from left to right, yielding any integers it encounters or applying&nbsp;<strong>inorder traversal</strong>&nbsp;to any arrays it encounters.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [[[6]],[1,3],[]]\n<strong>Output:</strong> [6,1,3]\n<strong>Explanation:</strong>\nconst generator = inorderTraversal(arr);\ngenerator.next().value; // 6\ngenerator.next().value; // 1\ngenerator.next().value; // 3\ngenerator.next().done; // true\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = []\n<strong>Output:</strong> []\n<strong>Explanation:</strong> There are no integers so the generator doesn&#39;t yield anything.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>0 &lt;= arr.flat().length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>0 &lt;= arr.flat()[i]&nbsp;&lt;= 10<sup>5</sup></code></li>\n\t<li><code>maxNestingDepth &lt;= 10<sup>5</sup></code></li>\n</ul>\n\n<p>&nbsp;</p>\n<strong>Can you solve this without creating a new flattened version of the array?</strong>",
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                    "lang": "JavaScript",
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                    "code": "/**\n * @param {Array} arr\n * @return {Generator}\n */\nvar inorderTraversal = function*(arr) {\n    \n};\n\n/**\n * const gen = inorderTraversal([1, [2, 3]]);\n * gen.next().value; // 1\n * gen.next().value; // 2\n * gen.next().value; // 3\n */",
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                {
                    "lang": "TypeScript",
                    "langSlug": "typescript",
                    "code": "type MultidimensionalArray = (MultidimensionalArray | number)[]\n\nfunction* inorderTraversal(arr: MultidimensionalArray): Generator<number, void, unknown> {\n\t\n};\n\n/**\n * const gen = inorderTraversal([1, [2, 3]]);\n * gen.next().value; // 1\n * gen.next().value; // 2\n * gen.next().value; // 3\n */",
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            "hints": [
                "Generator functions can pass control to another generator function with \"yield*\" syntax.",
                "Generator functions can recursively yield control to themselves.",
                "You don't need to worry about recursion depth for this problem."
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            "sampleTestCase": "[[[6]],[1,3],[]]",
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