How to Solve Points That Intersect With Cars Problem
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Points That Intersect With Cars
You are given a 0-indexed 2D integer array nums representing the coordinates of the cars parking on a number line. For any index i, nums[i] = [starti, endi] where starti is the starting point of the i...
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Understanding the Points That Intersect With Cars Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You are given a 0-indexed 2D integer array nums representing the coordinates of the cars parking on a number line. For any index i, nums[i] = [starti, endi] where starti is the starting point of the ith car and endi is the ending point of the ith car. Return the number of integer points on the line that are covered with any part of a car.
Points That Intersect With Cars
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Examples
nums = [[3,6],[1,5],[4,7]]7All the points from 1 to 7 intersect at least one car, therefore the answer would be 7.
nums = [[1,3],[5,8]]7Points 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.
Constraints
1 <= nums.length <= 100nums[i].length == 21 <= starti <= endi <= 100How Interview Coder Helps with Leetcode Problems
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