mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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173 lines
17 KiB
JSON
173 lines
17 KiB
JSON
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"questionId": "3461",
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"title": "Find the Minimum Area to Cover All Ones I",
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"content": "<p>You are given a 2D <strong>binary</strong> array <code>grid</code>. Find a rectangle with horizontal and vertical sides with the<strong> smallest</strong> area, such that all the 1's in <code>grid</code> lie inside this rectangle.</p>\n\n<p>Return the <strong>minimum</strong> possible area of the rectangle.</p>\n\n<p> </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\">grid = [[0,1,0],[1,0,1]]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">6</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/05/08/examplerect0.png\" style=\"padding: 10px; background: rgb(255, 255, 255); border-radius: 0.5rem; width: 279px; height: 198px;\" /></p>\n\n<p>The smallest rectangle has a height of 2 and a width of 3, so it has an area of <code>2 * 3 = 6</code>.</p>\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\">grid = [[1,0],[0,0]]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">1</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/05/08/examplerect1.png\" style=\"padding: 10px; background: rgb(255, 255, 255); border-radius: 0.5rem; width: 204px; height: 201px;\" /></p>\n\n<p>The smallest rectangle has both height and width 1, so its area is <code>1 * 1 = 1</code>.</p>\n</div>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= grid.length, grid[i].length <= 1000</code></li>\n\t<li><code>grid[i][j]</code> is either 0 or 1.</li>\n\t<li>The input is generated such that there is at least one 1 in <code>grid</code>.</li>\n</ul>\n",
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"exampleTestcases": "[[0,1,0],[1,0,1]]\n[[1,0],[0,0]]",
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"categoryTitle": "Algorithms",
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"code": "(define/contract (minimum-area grid)\n (-> (listof (listof exact-integer?)) exact-integer?)\n )",
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"code": "-spec minimum_area(Grid :: [[integer()]]) -> integer().\nminimum_area(Grid) ->\n .",
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"code": "defmodule Solution do\n @spec minimum_area(grid :: [[integer]]) :: integer\n def minimum_area(grid) do\n \n end\nend",
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"Find the minimum and maximum coordinates of a cell with a value of 1 in both directions."
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