Spreadsheet scrolling

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Sruthi is looking at a spreadsheet containing N rows. Only K rows of the spreadsheet are visible at a time (If the top row is i, the bottom row will be i+K-1). In the beginning, rows 1..K are visible. Sruthi needs to read certain values from rows r1,r2...rM in that order. It is possible to scroll the spreadsheet so that the rows j..j+K-1 can be viewed instead of the current i..i+K-1. This operatio

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solution.cppC++17

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