Mr Thakkar want to go dream land

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Mr.DBShah is the creater of this beautiful place. So being the creater of these island Mr.DBShah has the power take travels from x to 2x island in return of 2 pound and Mr.Rudani who is best friend of Mr.DBShah and help him to create this beautiful land so he has power to travel x to x+1 island in return of 1 pound. A group of n island (1 to 10^3) created by Mr.DBShah and Mr.Rudani, each one more

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solution.cppC++17

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