Revenge of Cersei

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Princess Myrcella Baratheon was poisoned and murdered by Ellaria Sand and the Sand Snakes.To avenge her death ,her mother Cersei Lannister plans to destroy all the houses of Dorne. Lord Varys,the Master of Whisperers,through his network of informants come to know that there are total 2*N houses in Dorne. Also,the unique feature of Dorne is that all these houses are aligned in a rectangular plot

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solution.cppC++17

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