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leetcode/problem/points-that-intersect-with-cars.html Normal file
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<p>You are given a <strong>0-indexed</strong> 2D integer array <code>nums</code> representing the coordinates of the cars parking on a number line. For any index <code>i</code>, <code>nums[i] = [start<sub>i</sub>, end<sub>i</sub>]</code> where <code>start<sub>i</sub></code> is the starting point of the <code>i<sup>th</sup></code> car and <code>end<sub>i</sub></code> is the ending point of the <code>i<sup>th</sup></code> car.</p>
<p>Return <em>the number of integer points on the line that are covered with <strong>any part</strong> of a car.</em></p>
<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>
<pre>
<strong>Input:</strong> nums = [[3,6],[1,5],[4,7]]
<strong>Output:</strong> 7
<strong>Explanation:</strong> All the points from 1 to 7 intersect at least one car, therefore the answer would be 7.
</pre>
<p><strong class="example">Example 2:</strong></p>
<pre>
<strong>Input:</strong> nums = [[1,3],[5,8]]
<strong>Output:</strong> 7
<strong>Explanation:</strong> Points intersecting at least one car are 1, 2, 3, 5, 6, 7, 8. There are a total of 7 points, therefore the answer would be 7.
</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>
<ul>
<li><code>1 &lt;= nums.length &lt;= 100</code></li>
<li><code>nums[i].length == 2</code></li>
<li><code><font face="monospace">1 &lt;= start<sub>i</sub>&nbsp;&lt;= end<sub>i</sub>&nbsp;&lt;= 100</font></code></li>
</ul>