Neha and Birthday Shopping

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Its Neha's best friends birthday. Her best friend is very fond of collecting stones. She wants to give her N stones of different types. So she asked her another friend to go and ask the rates of each stone in M different shops. Now, Neha wants to spend the minimum amount to purchase all the stones. So, She asked for your help to find the minimum cost that she need to spend to purchase all the ston

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solution.cppC++17

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