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Shubham, Diwali and Choclates

Shubham is living in a village where Diwali(An indian festival) is celebrated by distributing chocolates among youngers.There are $N$ buildings along a straight path,in each building only one person lives.This means Shubham can gain or lose maximum one chocolate in each building depending on whether the person in that building is older or younger than Shubham.He has map of that village, where data

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solution.cppC++17

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