Messed Up Delivery

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For Meraz, Mrunal is chosen as the event team head and in the evening for dinner, she decided to order food from restaurants for the participants. There are N participants and each participant from 1 to N ordered one dish for himself/herself. But unfortunately, all dishes were prepared in different restaurants. Now there are only two options with Mrunal either to order food from restaurants by

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solution.cppC++17

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