mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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172 lines
16 KiB
JSON
172 lines
16 KiB
JSON
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"title": "Interleaving String",
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"titleSlug": "interleaving-string",
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"content": "<p>Given strings <code>s1</code>, <code>s2</code>, and <code>s3</code>, find whether <code>s3</code> is formed by an <strong>interleaving</strong> of <code>s1</code> and <code>s2</code>.</p>\n\n<p>An <strong>interleaving</strong> of two strings <code>s</code> and <code>t</code> is a configuration where they are divided into <strong>non-empty</strong> substrings such that:</p>\n\n<ul>\n\t<li><code>s = s<sub>1</sub> + s<sub>2</sub> + ... + s<sub>n</sub></code></li>\n\t<li><code>t = t<sub>1</sub> + t<sub>2</sub> + ... + t<sub>m</sub></code></li>\n\t<li><code>|n - m| <= 1</code></li>\n\t<li>The <strong>interleaving</strong> is <code>s<sub>1</sub> + t<sub>1</sub> + s<sub>2</sub> + t<sub>2</sub> + s<sub>3</sub> + t<sub>3</sub> + ...</code> or <code>t<sub>1</sub> + s<sub>1</sub> + t<sub>2</sub> + s<sub>2</sub> + t<sub>3</sub> + s<sub>3</sub> + ...</code></li>\n</ul>\n\n<p><strong>Note:</strong> <code>a + b</code> is the concatenation of strings <code>a</code> and <code>b</code>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/09/02/interleave.jpg\" style=\"width: 561px; height: 203px;\" />\n<pre>\n<strong>Input:</strong> s1 = "aabcc", s2 = "dbbca", s3 = "aadbbcbcac"\n<strong>Output:</strong> true\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s1 = "aabcc", s2 = "dbbca", s3 = "aadbbbaccc"\n<strong>Output:</strong> false\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s1 = "", s2 = "", s3 = ""\n<strong>Output:</strong> true\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>0 <= s1.length, s2.length <= 100</code></li>\n\t<li><code>0 <= s3.length <= 200</code></li>\n\t<li><code>s1</code>, <code>s2</code>, and <code>s3</code> consist of lowercase English letters.</li>\n</ul>\n\n<p> </p>\n<p><strong>Follow up:</strong> Could you solve it using only <code>O(s2.length)</code> additional memory space?</p>\n",
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"code": "class Solution(object):\n def isInterleave(self, s1, s2, s3):\n \"\"\"\n :type s1: str\n :type s2: str\n :type s3: str\n :rtype: bool\n \"\"\"\n ",
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"code": "/**\n * @param {string} s1\n * @param {string} s2\n * @param {string} s3\n * @return {boolean}\n */\nvar isInterleave = function(s1, s2, s3) {\n \n};",
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"code": "# @param {String} s1\n# @param {String} s2\n# @param {String} s3\n# @return {Boolean}\ndef is_interleave(s1, s2, s3)\n \nend",
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