Battle of Kalinga

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Ashoka the Emperor had strength $a$ and Raja Anantha had strength $b$. In a duel, the warrior with lesser strength loses and his strength becomes 0. The victorious warrior's strength decreases by as much as his opponent's strength. What would be the strength of the victor in a duel between Ashoka and Anantha? ###Input: - The first and only line of input contains two space separated inte

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solution.cppC++17

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