Travelling Knight

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Your task is simple. A knight is placed on the top left corner of a chessboard having 2n rows and 2n columns. In how many ways can it move such that it ends up at a corner after atmost K moves ? Input : The first line contains T the number of test cases. Each of the next T lines contain 2 integers : n,k Output : Output T lines, one for each test case, containing the required total number of co

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solution.cppC++17

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