mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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180 lines
26 KiB
JSON
180 lines
26 KiB
JSON
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"title": "Minesweeper",
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"titleSlug": "minesweeper",
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"content": "<p>Let's play the minesweeper game (<a href=\"https://en.wikipedia.org/wiki/Minesweeper_(video_game)\" target=\"_blank\">Wikipedia</a>, <a href=\"http://minesweeperonline.com\" target=\"_blank\">online game</a>)!</p>\n\n<p>You are given an <code>m x n</code> char matrix <code>board</code> representing the game board where:</p>\n\n<ul>\n\t<li><code>'M'</code> represents an unrevealed mine,</li>\n\t<li><code>'E'</code> represents an unrevealed empty square,</li>\n\t<li><code>'B'</code> represents a revealed blank square that has no adjacent mines (i.e., above, below, left, right, and all 4 diagonals),</li>\n\t<li>digit (<code>'1'</code> to <code>'8'</code>) represents how many mines are adjacent to this revealed square, and</li>\n\t<li><code>'X'</code> represents a revealed mine.</li>\n</ul>\n\n<p>You are also given an integer array <code>click</code> where <code>click = [click<sub>r</sub>, click<sub>c</sub>]</code> represents the next click position among all the unrevealed squares (<code>'M'</code> or <code>'E'</code>).</p>\n\n<p>Return <em>the board after revealing this position according to the following rules</em>:</p>\n\n<ol>\n\t<li>If a mine <code>'M'</code> is revealed, then the game is over. You should change it to <code>'X'</code>.</li>\n\t<li>If an empty square <code>'E'</code> with no adjacent mines is revealed, then change it to a revealed blank <code>'B'</code> and all of its adjacent unrevealed squares should be revealed recursively.</li>\n\t<li>If an empty square <code>'E'</code> with at least one adjacent mine is revealed, then change it to a digit (<code>'1'</code> to <code>'8'</code>) representing the number of adjacent mines.</li>\n\t<li>Return the board when no more squares will be revealed.</li>\n</ol>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n<img src=\"https://assets.leetcode.com/uploads/2018/10/12/minesweeper_example_1.png\" style=\"width: 500px; max-width: 400px; height: 269px;\" />\n<pre>\n<strong>Input:</strong> board = [["E","E","E","E","E"],["E","E","M","E","E"],["E","E","E","E","E"],["E","E","E","E","E"]], click = [3,0]\n<strong>Output:</strong> [["B","1","E","1","B"],["B","1","M","1","B"],["B","1","1","1","B"],["B","B","B","B","B"]]\n</pre>\n\n<p><strong>Example 2:</strong></p>\n<img src=\"https://assets.leetcode.com/uploads/2018/10/12/minesweeper_example_2.png\" style=\"width: 500px; max-width: 400px; height: 275px;\" />\n<pre>\n<strong>Input:</strong> board = [["B","1","E","1","B"],["B","1","M","1","B"],["B","1","1","1","B"],["B","B","B","B","B"]], click = [1,2]\n<strong>Output:</strong> [["B","1","E","1","B"],["B","1","X","1","B"],["B","1","1","1","B"],["B","B","B","B","B"]]\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 <= 50</code></li>\n\t<li><code>board[i][j]</code> is either <code>'M'</code>, <code>'E'</code>, <code>'B'</code>, or a digit from <code>'1'</code> to <code>'8'</code>.</li>\n\t<li><code>click.length == 2</code></li>\n\t<li><code>0 <= click<sub>r</sub> < m</code></li>\n\t<li><code>0 <= click<sub>c</sub> < n</code></li>\n\t<li><code>board[click<sub>r</sub>][click<sub>c</sub>]</code> is either <code>'M'</code> or <code>'E'</code>.</li>\n</ul>\n",
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"translatedTitle": "扫雷游戏",
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"translatedContent": "<p>让我们一起来玩扫雷游戏！</p>\n\n<p>给你一个大小为 <code>m x n</code> 二维字符矩阵 <code>board</code> ，表示扫雷游戏的盘面，其中：</p>\n\n<ul>\n\t<li><code>'M'</code> 代表一个 <strong>未挖出的</strong> 地雷，</li>\n\t<li><code>'E'</code> 代表一个<strong> 未挖出的 </strong>空方块，</li>\n\t<li><code>'B'</code><strong> </strong>代表没有相邻（上，下，左，右，和所有4个对角线）地雷的<strong> 已挖出的 </strong>空白方块，</li>\n\t<li><strong>数字</strong>（<code>'1'</code> 到 <code>'8'</code>）表示有多少地雷与这块<strong> 已挖出的</strong> 方块相邻，</li>\n\t<li><code>'X'</code> 则表示一个<strong> 已挖出的</strong> 地雷。</li>\n</ul>\n\n<p>给你一个整数数组 <code>click</code> ，其中 <code>click = [click<sub>r</sub>, click<sub>c</sub>]</code> 表示在所有<strong> 未挖出的 </strong>方块（<code>'M'</code> 或者 <code>'E'</code>）中的下一个点击位置（<code>click<sub>r</sub></code> 是行下标，<code>click<sub>c</sub></code> 是列下标）。</p>\n\n<p>根据以下规则，返回相应位置被点击后对应的盘面：</p>\n\n<ol>\n\t<li>如果一个地雷（<code>'M'</code>）被挖出，游戏就结束了- 把它改为 <code>'X'</code> 。</li>\n\t<li>如果一个<strong> 没有相邻地雷 </strong>的空方块（<code>'E'</code>）被挖出，修改它为（<code>'B'</code>），并且所有和其相邻的<strong> 未挖出 </strong>方块都应该被递归地揭露。</li>\n\t<li>如果一个<strong> 至少与一个地雷相邻</strong> 的空方块（<code>'E'</code>）被挖出，修改它为数字（<code>'1'</code> 到 <code>'8'</code> ），表示相邻地雷的数量。</li>\n\t<li>如果在此次点击中，若无更多方块可被揭露，则返回盘面。</li>\n</ol>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n<img src=\"https://assets.leetcode.com/uploads/2018/10/12/minesweeper_example_1.png\" style=\"width: 500px; max-width: 400px; height: 269px;\" />\n<pre>\n<strong>输入：</strong>board = [[\"E\",\"E\",\"E\",\"E\",\"E\"],[\"E\",\"E\",\"M\",\"E\",\"E\"],[\"E\",\"E\",\"E\",\"E\",\"E\"],[\"E\",\"E\",\"E\",\"E\",\"E\"]], click = [3,0]\n<strong>输出：</strong>[[\"B\",\"1\",\"E\",\"1\",\"B\"],[\"B\",\"1\",\"M\",\"1\",\"B\"],[\"B\",\"1\",\"1\",\"1\",\"B\"],[\"B\",\"B\",\"B\",\"B\",\"B\"]]\n</pre>\n\n<p><strong>示例 2：</strong></p>\n<img src=\"https://assets.leetcode.com/uploads/2018/10/12/minesweeper_example_2.png\" style=\"width: 500px; max-width: 400px; height: 275px;\" />\n<pre>\n<strong>输入：</strong>board = [[\"B\",\"1\",\"E\",\"1\",\"B\"],[\"B\",\"1\",\"M\",\"1\",\"B\"],[\"B\",\"1\",\"1\",\"1\",\"B\"],[\"B\",\"B\",\"B\",\"B\",\"B\"]], click = [1,2]\n<strong>输出：</strong>[[\"B\",\"1\",\"E\",\"1\",\"B\"],[\"B\",\"1\",\"X\",\"1\",\"B\"],[\"B\",\"1\",\"1\",\"1\",\"B\"],[\"B\",\"B\",\"B\",\"B\",\"B\"]]\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</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 <= 50</code></li>\n\t<li><code>board[i][j]</code> 为 <code>'M'</code>、<code>'E'</code>、<code>'B'</code> 或数字 <code>'1'</code> 到 <code>'8'</code> 中的一个</li>\n\t<li><code>click.length == 2</code></li>\n\t<li><code>0 <= click<sub>r</sub> < m</code></li>\n\t<li><code>0 <= click<sub>c</sub> < n</code></li>\n\t<li><code>board[click<sub>r</sub>][click<sub>c</sub>]</code> 为 <code>'M'</code> 或 <code>'E'</code></li>\n</ul>\n",
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