Question: C Program: I need a formula I can use to map through a 2D array to input a key. I have the parameters int key

C Program:

I need a formula I can use to map through a 2D array to input a key. I have the parameters int key and int index. I have a pointer struct already. I'm confused on how to use % with the formula. I can create a helper function to help search through the array to find where to put key.

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