leetcode-problemset/leetcode/originData/make-a-square-with-the-same-color.json

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        "question": {
            "questionId": "3398",
            "questionFrontendId": "3127",
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            "title": "Make a Square with the Same Color",
            "titleSlug": "make-a-square-with-the-same-color",
            "content": "<p>You are given a 2D matrix <code>grid</code> of size <code>3 x 3</code> consisting only of characters <code>&#39;B&#39;</code> and <code>&#39;W&#39;</code>. Character <code>&#39;W&#39;</code> represents the white color<!-- notionvc: 06a49cc0-a296-4bd2-9bfe-c8818edeb53a -->, and character <code>&#39;B&#39;</code> represents the black color<!-- notionvc: 06a49cc0-a296-4bd2-9bfe-c8818edeb53a -->.</p>\n\n<p>Your task is to change the color of <strong>at most one</strong> cell<!-- notionvc: c04cb478-8dd5-49b1-80bb-727c6b1e0232 --> so that the matrix has a <code>2 x 2</code> square where all cells are of the same color.<!-- notionvc: adf957e1-fa0f-40e5-9a2e-933b95e276a7 --></p>\n\n<p>Return <code>true</code> if it is possible to create a <code>2 x 2</code> square of the same color, otherwise, return <code>false</code>.</p>\n\n<p>&nbsp;</p>\n<style type=\"text/css\">.grid-container {\n  display: grid;\n  grid-template-columns: 30px 30px 30px;\n  padding: 10px;\n}\n.grid-item {\n  background-color: black;\n  border: 1px solid gray;\n  height: 30px;\n  font-size: 30px;\n  text-align: center;\n}\n.grid-item-white {\n  background-color: white;\n}\n</style>\n<style class=\"darkreader darkreader--sync\" media=\"screen\" type=\"text/css\">\n</style>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"grid-container\">\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n</div>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">grid = [[&quot;B&quot;,&quot;W&quot;,&quot;B&quot;],[&quot;B&quot;,&quot;W&quot;,&quot;W&quot;],[&quot;B&quot;,&quot;W&quot;,&quot;B&quot;]]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">true</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>It can be done by changing the color of the <code>grid[0][2]</code>.</p>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"grid-container\">\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n</div>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">grid = [[&quot;B&quot;,&quot;W&quot;,&quot;B&quot;],[&quot;W&quot;,&quot;B&quot;,&quot;W&quot;],[&quot;B&quot;,&quot;W&quot;,&quot;B&quot;]]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">false</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>It cannot be done by changing at most one cell.</p>\n</div>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<div class=\"grid-container\">\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n\n<div class=\"grid-item grid-item-white\">&nbsp;</div>\n</div>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">grid = [[&quot;B&quot;,&quot;W&quot;,&quot;B&quot;],[&quot;B&quot;,&quot;W&quot;,&quot;W&quot;],[&quot;B&quot;,&quot;W&quot;,&quot;W&quot;]]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">true</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>The <code>grid</code> already contains a <code>2 x 2</code> square of the same color.<!-- notionvc: 9a8b2d3d-1e73-457a-abe0-c16af51ad5c2 --></p>\n</div>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>grid.length == 3</code></li>\n\t<li><code>grid[i].length == 3</code></li>\n\t<li><code>grid[i][j]</code> is either <code>&#39;W&#39;</code> or <code>&#39;B&#39;</code>.</li>\n</ul>\n",
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            "difficulty": "Easy",
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            "exampleTestcases": "[[\"B\",\"W\",\"B\"],[\"B\",\"W\",\"W\"],[\"B\",\"W\",\"B\"]]\n[[\"B\",\"W\",\"B\"],[\"W\",\"B\",\"W\"],[\"B\",\"W\",\"B\"]]\n[[\"B\",\"W\",\"B\"],[\"B\",\"W\",\"W\"],[\"B\",\"W\",\"W\"]]",
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                    "code": "class Solution {\npublic:\n    bool canMakeSquare(vector<vector<char>>& grid) {\n        \n    }\n};",
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                    "lang": "Racket",
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                "It is impossible to create <code>2 x 2</code> square with the same color by changing the color of at most one cell when the number of <code>‘W'</code> or <code>'B’</code> in all squares is 2."
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