Minimum Moves

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Background Bob is a student of NIT Jalandhar.Like all other students he likes to solve puzzles.In one such popular puzzle there is board in which there are m*m boxes each assigned an a non zero integer except one box which is marked as 0 and is treated as vacant .Only the vertical and horizontal neighbors of vacant box can move towards it leaving their place as vacant.To solve this puzzle bob has

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solution.cppC++17

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