Chef Adi

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Chef Adi is a master in Chess. To master his calculations, Adi placed a king on a chessboard. A chessboards has 8 rows and 8 columns. For this problem let the rows and columns be numbered from 1 to 8. Let’s denote the square in row r and column c by (r,c). A king on a square (r1,c1) can move to another square (r2,c2) if and only if (r2-r1)2 + (c2-c1)2 ≤ 2. Adi placed his king on the square (R,C

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solution.cppC++17

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