Sanju and his travel

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Sanju is a 19-year-old boy who always travels around the world. One day his uncle Jack plans a trip via road. There are P number of petrol bunks in his way. The units of petrol at bunk i is X[i]. All the P petrol bunks are in circular way. They decided to travel in a Van that contains huge petrol tank supporting unlimited petrol. The cost of petrol to travel from bunk i to the bunk i+1 is Y[i]. Th

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