Shreyans and his Queen

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Problem description. Shreyans reached India and met the most beautiful princess there. Even the princess accepted the precious stones gifted by him. As Shreyans is a King, he would like to test the princess, whether she deserves to be his Queen or not. So, he gives her an easy task. He gives her various districts (numbered from 0 to N-1, where N is the total number of districts) from his kingdom

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solution.cppC++17

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