Revenge of Jon Snow

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After defending The Wall from the White Walkers, Jon Snow needs to head back to King's Landing and Winterfell to avenge his father's death. Jon Snow has a map in his hand but he realizes that the map is too old to be read. Therefore, Jon Snow comes up with a plan. He calculates a number called $N$-$th$ Travel Number and using this number, he finds his way to King's Landing. Help Jon Snow to calcul

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solution.cppC++17

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