2280. Minimum Lines to Represent a Line Chart

LeetCodeArrayMathGeometrySortingNumber TheoryOpen on judge ↗

You are given a 2D integer array stockPrices where stockPrices[i] = [dayi, pricei] indicates the price of the stock on day dayi is pricei. A line chart is created from the array by plotting the points on an XY plane with the X-axis representing the day and the Y-axis representing the price and connecting adjacent points. One such example is shown below: Return the minimum number of lines needed t

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solution.cppC++17

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