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leetcode/originData/count-good-meals.json
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"boundTopicId": null,
"title": "Count Good Meals",
"titleSlug": "count-good-meals",
"content": "<p>A <strong>good meal</strong> is a meal that contains <strong>exactly two different food items</strong> with a sum of deliciousness equal to a power of two.</p>\n\n<p>You can pick <strong>any</strong> two different foods to make a good meal.</p>\n\n<p>Given an array of integers <code>deliciousness</code> where <code>deliciousness[i]</code> is the deliciousness of the <code>i<sup>​​​​​​th</sup>​​​​</code>​​​​ item of food, return <em>the number of different <strong>good meals</strong> you can make from this list modulo</em> <code>10<sup>9</sup> + 7</code>.</p>\n\n<p>Note that items with different indices are considered different even if they have the same deliciousness value.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> deliciousness = [1,3,5,7,9]\n<strong>Output:</strong> 4\n<strong>Explanation: </strong>The good meals are (1,3), (1,7), (3,5) and, (7,9).\nTheir respective sums are 4, 8, 8, and 16, all of which are powers of 2.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> deliciousness = [1,1,1,3,3,3,7]\n<strong>Output:</strong> 15\n<strong>Explanation: </strong>The good meals are (1,1) with 3 ways, (1,3) with 9 ways, and (1,7) with 3 ways.</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= deliciousness.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>0 &lt;= deliciousness[i] &lt;= 2<sup>20</sup></code></li>\n</ul>\n",
"content": "<p>A <strong>good meal</strong> is a meal that contains <strong>exactly two different food items</strong> with a sum of deliciousness equal to a power of two.</p>\n\n<p>You can pick <strong>any</strong> two different foods to make a good meal.</p>\n\n<p>Given an array of integers <code>deliciousness</code> where <code>deliciousness[i]</code> is the deliciousness of the <code>i<sup>th</sup></code> item of food, return <em>the number of different <strong>good meals</strong> you can make from this list modulo</em> <code>10<sup>9</sup> + 7</code>.</p>\n\n<p>Note that items with different indices are considered different even if they have the same deliciousness value.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> deliciousness = [1,3,5,7,9]\n<strong>Output:</strong> 4\n<strong>Explanation: </strong>The good meals are (1,3), (1,7), (3,5) and, (7,9).\nTheir respective sums are 4, 8, 8, and 16, all of which are powers of 2.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> deliciousness = [1,1,1,3,3,3,7]\n<strong>Output:</strong> 15\n<strong>Explanation: </strong>The good meals are (1,1) with 3 ways, (1,3) with 9 ways, and (1,7) with 3 ways.</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= deliciousness.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>0 &lt;= deliciousness[i] &lt;= 2<sup>20</sup></code></li>\n</ul>\n",
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