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binary-subarrays-with-sum.json
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"title": "Binary Subarrays With Sum",
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"content": "<p>Given a binary array <code>nums</code> and an integer <code>goal</code>, return <em>the number of non-empty <strong>subarrays</strong> with a sum</em> <code>goal</code>.</p>\r\n\r\n<p>A <strong>subarray</strong> is a contiguous part of the array.</p>\r\n\r\n<p> </p>\r\n<p><strong>Example 1:</strong></p>\r\n\r\n<pre>\r\n<strong>Input:</strong> nums = [1,0,1,0,1], goal = 2\r\n<strong>Output:</strong> 4\r\n<strong>Explanation:</strong> The 4 subarrays are bolded and underlined below:\r\n[<u><strong>1,0,1</strong></u>,0,1]\r\n[<u><strong>1,0,1,0</strong></u>,1]\r\n[1,<u><strong>0,1,0,1</strong></u>]\r\n[1,0,<u><strong>1,0,1</strong></u>]\r\n</pre>\r\n\r\n<p><strong>Example 2:</strong></p>\r\n\r\n<pre>\r\n<strong>Input:</strong> nums = [0,0,0,0,0], goal = 0\r\n<strong>Output:</strong> 15\r\n</pre>\r\n\r\n<p> </p>\r\n<p><strong>Constraints:</strong></p>\r\n\r\n<ul>\r\n\t<li><code>1 <= nums.length <= 3 * 10<sup>4</sup></code></li>\r\n\t<li><code>nums[i]</code> is either <code>0</code> or <code>1</code>.</li>\r\n\t<li><code>0 <= goal <= nums.length</code></li>\r\n</ul>",
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