mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
184 lines
17 KiB
JSON
184 lines
17 KiB
JSON
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"content": "<p>Given an <code>m x n</code> grid of characters <code>board</code> and a string <code>word</code>, return <code>true</code> <em>if</em> <code>word</code> <em>exists in the grid</em>.</p>\n\n<p>The word can be constructed from letters of sequentially adjacent cells, where adjacent cells are horizontally or vertically neighboring. The same letter cell may not be used more than once.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/11/04/word2.jpg\" style=\"width: 322px; height: 242px;\" />\n<pre>\n<strong>Input:</strong> board = [["A","B","C","E"],["S","F","C","S"],["A","D","E","E"]], word = "ABCCED"\n<strong>Output:</strong> true\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/11/04/word-1.jpg\" style=\"width: 322px; height: 242px;\" />\n<pre>\n<strong>Input:</strong> board = [["A","B","C","E"],["S","F","C","S"],["A","D","E","E"]], word = "SEE"\n<strong>Output:</strong> true\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/10/15/word3.jpg\" style=\"width: 322px; height: 242px;\" />\n<pre>\n<strong>Input:</strong> board = [["A","B","C","E"],["S","F","C","S"],["A","D","E","E"]], word = "ABCB"\n<strong>Output:</strong> false\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>m == board.length</code></li>\n\t<li><code>n = board[i].length</code></li>\n\t<li><code>1 <= m, n <= 6</code></li>\n\t<li><code>1 <= word.length <= 15</code></li>\n\t<li><code>board</code> and <code>word</code> consists of only lowercase and uppercase English letters.</li>\n</ul>\n\n<p> </p>\n<p><strong>Follow up:</strong> Could you use search pruning to make your solution faster with a larger <code>board</code>?</p>\n",
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"exampleTestcases": "[[\"A\",\"B\",\"C\",\"E\"],[\"S\",\"F\",\"C\",\"S\"],[\"A\",\"D\",\"E\",\"E\"]]\n\"ABCCED\"\n[[\"A\",\"B\",\"C\",\"E\"],[\"S\",\"F\",\"C\",\"S\"],[\"A\",\"D\",\"E\",\"E\"]]\n\"SEE\"\n[[\"A\",\"B\",\"C\",\"E\"],[\"S\",\"F\",\"C\",\"S\"],[\"A\",\"D\",\"E\",\"E\"]]\n\"ABCB\"",
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