Organize The Wallet

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Ranju has many currency notes in his wallet. There are notes of denominations **10, 20, 50, 100, 200, 500**, and **2000** rupees in his wallet right now, but the notes are all messed up. He wants to organize his wallet so that all the notes of each denomination are together. **The notes don't necessarily need to be in sorted order.** In each step, Ranju can take a note and insert this note at any

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solution.cppC++17

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