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Question: emphasis on the process of modelling it as a integer...

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Emphasis on the process of modelling it as a integer programming problem.
23. A computer operating system stores files on a hard disk. Five large files of sizes 18, 23, 12, 125, and 45 MB are to be stored. Contiguous blocks of storage are available with size 25, 73, 38, and 156 MB, and each file must be stored in one contiguous block. In this problem we will explore an integer programming algorithm to assign files to storage blocks. (a) In order to reserve large contiguous blocks of storage for future use, we want to store each file in the smallest available block large enough to hold the file. Define the cost of storing file i in block j to be the size of block j, and determine the assignment of files to blocks that minimizes the total cost. Use the five-step method, and model as an integer programming problem
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