Long Drive

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Chef and Chefina are out on a long road trip. The average speed of the car after $10$ hours of driving is $X$ kilometres per hour. Chef wants to achieve an average speed of $Y$ kilometres per hour. Given that he can travel a maximum of $100$ kilometres in one hour, find the **minimum** number of additional **integer** hours required for him to reach the target average speed. ### Input - The

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solution.cppC++17

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