Sonic and Pixels

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### Problem Sonic has a grid of **N** rows and **M** columns. Each cell in the grid is associated with a value. The values of the cell lies between **1** and **K**. For each cell, Sonic needs to find out a vector of size **K**. Each index's value (consider 1-based indexing) in the vector is found out by summing __index____distance__ across all cells that have their associated value equal to the i

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solution.cppC++17

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