mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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180 lines
19 KiB
JSON
180 lines
19 KiB
JSON
{
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"question": {
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"questionId": "2146",
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"questionFrontendId": "2018",
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"boundTopicId": null,
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"title": "Check if Word Can Be Placed In Crossword",
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"titleSlug": "check-if-word-can-be-placed-in-crossword",
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"content": "<p>You are given an <code>m x n</code> matrix <code>board</code>, representing the<strong> current </strong>state of a crossword puzzle. The crossword contains lowercase English letters (from solved words), <code>' '</code> to represent any <strong>empty </strong>cells, and <code>'#'</code> to represent any <strong>blocked</strong> cells.</p>\n\n<p>A word can be placed<strong> horizontally</strong> (left to right <strong>or</strong> right to left) or <strong>vertically</strong> (top to bottom <strong>or</strong> bottom to top) in the board if:</p>\n\n<ul>\n\t<li>It does not occupy a cell containing the character <code>'#'</code>.</li>\n\t<li>The cell each letter is placed in must either be <code>' '</code> (empty) or <strong>match</strong> the letter already on the <code>board</code>.</li>\n\t<li>There must not be any empty cells <code>' '</code> or other lowercase letters <strong>directly left or right</strong><strong> </strong>of the word if the word was placed <strong>horizontally</strong>.</li>\n\t<li>There must not be any empty cells <code>' '</code> or other lowercase letters <strong>directly above or below</strong> the word if the word was placed <strong>vertically</strong>.</li>\n</ul>\n\n<p>Given a string <code>word</code>, return <code>true</code><em> if </em><code>word</code><em> can be placed in </em><code>board</code><em>, or </em><code>false</code><em> <strong>otherwise</strong></em>.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/10/04/crossword-ex1-1.png\" style=\"width: 478px; height: 180px;\" />\n<pre>\n<strong>Input:</strong> board = [["#", " ", "#"], [" ", " ", "#"], ["#", "c", " "]], word = "abc"\n<strong>Output:</strong> true\n<strong>Explanation:</strong> The word "abc" can be placed as shown above (top to bottom).\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/10/04/crossword-ex2-1.png\" style=\"width: 180px; height: 180px;\" />\n<pre>\n<strong>Input:</strong> board = [[" ", "#", "a"], [" ", "#", "c"], [" ", "#", "a"]], word = "ac"\n<strong>Output:</strong> false\n<strong>Explanation:</strong> It is impossible to place the word because there will always be a space/letter above or below it.</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/10/04/crossword-ex3-1.png\" style=\"width: 478px; height: 180px;\" />\n<pre>\n<strong>Input:</strong> board = [["#", " ", "#"], [" ", " ", "#"], ["#", " ", "c"]], word = "ca"\n<strong>Output:</strong> true\n<strong>Explanation:</strong> The word "ca" can be placed as shown above (right to left). \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 <= 2 * 10<sup>5</sup></code></li>\n\t<li><code>board[i][j]</code> will be <code>' '</code>, <code>'#'</code>, or a lowercase English letter.</li>\n\t<li><code>1 <= word.length <= max(m, n)</code></li>\n\t<li><code>word</code> will contain only lowercase English letters.</li>\n</ul>\n",
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"difficulty": "Medium",
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"code": "class Solution {\npublic:\n bool placeWordInCrossword(vector<vector<char>>& board, string word) {\n \n }\n};",
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"code": "class Solution {\n public boolean placeWordInCrossword(char[][] board, String word) {\n \n }\n}",
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"code": "class Solution(object):\n def placeWordInCrossword(self, board, word):\n \"\"\"\n :type board: List[List[str]]\n :type word: str\n :rtype: bool\n \"\"\"\n ",
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"code": "class Solution:\n def placeWordInCrossword(self, board: List[List[str]], word: str) -> bool:\n ",
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"code": "bool placeWordInCrossword(char** board, int boardSize, int* boardColSize, char* word) {\n \n}",
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"code": "/**\n * @param {character[][]} board\n * @param {string} word\n * @return {boolean}\n */\nvar placeWordInCrossword = function(board, word) {\n \n};",
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"code": "class Solution {\n\n /**\n * @param String[][] $board\n * @param String $word\n * @return Boolean\n */\n function placeWordInCrossword($board, $word) {\n \n }\n}",
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"code": "class Solution {\n func placeWordInCrossword(_ board: [[Character]], _ word: String) -> Bool {\n \n }\n}",
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"code": "class Solution {\n fun placeWordInCrossword(board: Array<CharArray>, word: String): Boolean {\n \n }\n}",
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"code": "class Solution {\n bool placeWordInCrossword(List<List<String>> board, String word) {\n \n }\n}",
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"lang": "Go",
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"code": "func placeWordInCrossword(board [][]byte, word string) bool {\n \n}",
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"lang": "Ruby",
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"code": "# @param {Character[][]} board\n# @param {String} word\n# @return {Boolean}\ndef place_word_in_crossword(board, word)\n \nend",
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"code": "object Solution {\n def placeWordInCrossword(board: Array[Array[Char]], word: String): Boolean = {\n \n }\n}",
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"code": "impl Solution {\n pub fn place_word_in_crossword(board: Vec<Vec<char>>, word: String) -> bool {\n \n }\n}",
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"code": "(define/contract (place-word-in-crossword board word)\n (-> (listof (listof char?)) string? boolean?)\n )",
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"code": "-spec place_word_in_crossword(Board :: [[char()]], Word :: unicode:unicode_binary()) -> boolean().\nplace_word_in_crossword(Board, Word) ->\n .",
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"code": "defmodule Solution do\n @spec place_word_in_crossword(board :: [[char]], word :: String.t) :: boolean\n def place_word_in_crossword(board, word) do\n \n end\nend",
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"hints": [
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"Check all possible placements for the word.",
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"There is a limited number of places where a word can start."
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],
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"solution": null,
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"sampleTestCase": "[[\"#\",\" \",\"#\"],[\" \",\" \",\"#\"],[\"#\",\"c\",\" \"]]\n\"abc\"",
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