Hard · System Design
Amount of New Area Painted Each Day
Given paint, where paint[i] = [start_i, end_i) is the half-open stretch painted on day i, return an array whose i-th value is how much of day i's stretch had not been painted on any earlier day.
Examples
Example 1
[[1,4],[2,5]]Output: [3, 1]
Example 2
[[1,4],[4,7]]Output: [3, 3]
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