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{
"data": {
"question": {
"questionId": "3533",
"questionFrontendId": "3248",
"categoryTitle": "Algorithms",
"boundTopicId": 2874939,
"title": "Snake in Matrix",
"titleSlug": "snake-in-matrix",
"content": "<p>There is a snake in an <code>n x n</code> matrix <code>grid</code> and can move in <strong>four possible directions</strong>. Each cell in the <code>grid</code> is identified by the position: <code>grid[i][j] = (i * n) + j</code>.</p>\n\n<p>The snake starts at cell 0 and follows a sequence of commands.</p>\n\n<p>You are given an integer <code>n</code> representing the size of the <code>grid</code> and an array of strings <code>commands</code> where each <code>command[i]</code> is either <code>&quot;UP&quot;</code>, <code>&quot;RIGHT&quot;</code>, <code>&quot;DOWN&quot;</code>, and <code>&quot;LEFT&quot;</code>. It&#39;s guaranteed that the snake will remain within the <code>grid</code> boundaries throughout its movement.</p>\n\n<p>Return the position of the final cell where the snake ends up after executing <code>commands</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">n = 2, commands = [&quot;RIGHT&quot;,&quot;DOWN&quot;]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">3</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<div style=\"display:flex; gap: 12px;\">\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n</div>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">n = 3, commands = [&quot;DOWN&quot;,&quot;RIGHT&quot;,&quot;UP&quot;]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">1</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<div style=\"display:flex; gap: 12px;\">\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n</div>\n</div>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>2 &lt;= n &lt;= 10</code></li>\n\t<li><code>1 &lt;= commands.length &lt;= 100</code></li>\n\t<li><code>commands</code> consists only of <code>&quot;UP&quot;</code>, <code>&quot;RIGHT&quot;</code>, <code>&quot;DOWN&quot;</code>, and <code>&quot;LEFT&quot;</code>.</li>\n\t<li>The input is generated such the snake will not move outside of the boundaries.</li>\n</ul>\n",
"translatedTitle": "矩阵中的蛇",
"translatedContent": "<p>大小为 <code>n x n</code> 的矩阵 <code>grid</code> 中有一条蛇。蛇可以朝 <strong>四个可能的方向 </strong>移动。矩阵中的每个单元格都使用位置进行标识： <code>grid[i][j] = (i * n) + j</code>。</p>\n\n<p>蛇从单元格 0 开始，并遵循一系列命令移动。</p>\n\n<p>给你一个整数 <code>n</code> 表示 <code>grid</code> 的大小，另给你一个字符串数组 <code>commands</code>，其中包括 <code>\"UP\"</code>、<code>\"RIGHT\"</code>、<code>\"DOWN\"</code> 和 <code>\"LEFT\"</code>。题目测评数据保证蛇在整个移动过程中将始终位于 <code>grid</code> 边界内。</p>\n\n<p>返回执行 <code>commands</code> 后蛇所停留的最终单元格的位置。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入：</strong><span class=\"example-io\">n = 2, commands = [\"RIGHT\",\"DOWN\"]</span></p>\n\n<p><strong>输出：</strong><span class=\"example-io\">3</span></p>\n\n<p><strong>解释：</strong></p>\n\n<div style=\"display:flex; gap: 12px;\">\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">3</td>\n\t\t</tr>\n\t</tbody>\n</table>\n</div>\n</div>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入：</strong><span class=\"example-io\">n = 3, commands = [\"DOWN\",\"RIGHT\",\"UP\"]</span></p>\n\n<p><strong>输出：</strong><span class=\"example-io\">1</span></p>\n\n<p><strong>解释：</strong></p>\n\n<div style=\"display:flex; gap: 12px;\">\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n\n<table border=\"1\" cellspacing=\"3\" style=\"border-collapse: separate; text-align: center;\">\n\t<tbody>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">0</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid red; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">1</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">2</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">3</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">4</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #b30000; --darkreader-inline-border-right: #b30000; --darkreader-inline-border-bottom: #b30000; --darkreader-inline-border-left: #b30000;\">5</td>\n\t\t</tr>\n\t\t<tr>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">6</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">7</td>\n\t\t\t<td data-darkreader-inline-border-bottom=\"\" data-darkreader-inline-border-left=\"\" data-darkreader-inline-border-right=\"\" data-darkreader-inline-border-top=\"\" style=\"padding: 5px 10px; border: 1px solid black; --darkreader-inline-border-top: #8c8273; --darkreader-inline-border-right: #8c8273; --darkreader-inline-border-bottom: #8c8273; --darkreader-inline-border-left: #8c8273;\">8</td>\n\t\t</tr>\n\t</tbody>\n</table>\n</div>\n</div>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>2 &lt;= n &lt;= 10</code></li>\n\t<li><code>1 &lt;= commands.length &lt;= 100</code></li>\n\t<li><code>commands</code> 仅由 <code>\"UP\"</code>、<code>\"RIGHT\"</code>、<code>\"DOWN\"</code> 和 <code>\"LEFT\"</code> 组成。</li>\n\t<li>生成的测评数据确保蛇不会移动到矩阵的边界外。</li>\n</ul>\n",
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