Stairway Reduction

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A garrison of soldiers is stationed at an old fort built long ago by a king located on the top of a hill. The fort can be accessed only by a cemented stairway with **K** steps (steps are numbered 1 to **K** from the bottommost to the topmost as shown below). The width of all the steps in the stairway is the same (**w**), but the length (**l**) and the height (**h**) of each step is made different

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solution.cppC++17

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