leetcode-problemset/算法题/split-array-into-fibonacci-sequence.json

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            "title": "Split Array into Fibonacci Sequence",
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            "content": "<p>You are given a string of digits <code>num</code>, such as <code>&quot;123456579&quot;</code>. We can split it into a Fibonacci-like sequence <code>[123, 456, 579]</code>.</p>\n\n<p>Formally, a <strong>Fibonacci-like</strong> sequence is a list <code>f</code> of non-negative integers such that:</p>\n\n<ul>\n\t<li><code>0 &lt;= f[i] &lt; 2<sup>31</sup></code>, (that is, each integer fits in a <strong>32-bit</strong> signed integer type),</li>\n\t<li><code>f.length &gt;= 3</code>, and</li>\n\t<li><code>f[i] + f[i + 1] == f[i + 2]</code> for all <code>0 &lt;= i &lt; f.length - 2</code>.</li>\n</ul>\n\n<p>Note that when splitting the string into pieces, each piece must not have extra leading zeroes, except if the piece is the number <code>0</code> itself.</p>\n\n<p>Return any Fibonacci-like sequence split from <code>num</code>, or return <code>[]</code> if it cannot be done.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = &quot;1101111&quot;\n<strong>Output:</strong> [11,0,11,11]\n<strong>Explanation:</strong> The output [110, 1, 111] would also be accepted.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = &quot;112358130&quot;\n<strong>Output:</strong> []\n<strong>Explanation:</strong> The task is impossible.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = &quot;0123&quot;\n<strong>Output:</strong> []\n<strong>Explanation:</strong> Leading zeroes are not allowed, so &quot;01&quot;, &quot;2&quot;, &quot;3&quot; is not valid.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= num.length &lt;= 200</code></li>\n\t<li><code>num</code> contains only digits.</li>\n</ul>\n",
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                    "code": "class Solution(object):\n    def splitIntoFibonacci(self, num):\n        \"\"\"\n        :type num: str\n        :rtype: List[int]\n        \"\"\"\n        ",
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