# a6q2 - CS116 Assignment 6 Question 2 Ru Wang r46wang...

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## CS116 Assignment 6 Question 2 ## Ru Wang r46wang 20319247 ## needed_discs: int (union int float) int[0:100] int[>0] -> int[>0] ## Purpose: needed_discs calculates the number of discs required to store all pictures on discs. ## It consumes an integer for the number of pictures to store, a file size of each picture in either integer or float, a compression rate that is an integer between 0 and 100, and the size of the one disc in a positive integer. ## It returns an integer indicating how many discs are required to store all of the pictures. ## Examples: ## needed_discs(0, 3, 0, 100) => 0 ## needed_discs(100, 3, 0, 700) =>1 ## needed_discs(100, 2.5, 0, 700) => 1 ## needed_discs(100, 3, 100, 700) => 0 ## needed_discs(100, 3, 0, 100) =>4 ## needed_discs(100, 2, 25, 700) => 3 def needed_discs(num_pics, pic_size, comp_rate, disc_size): if num_pics == 0 or comp_rate == 100: return 0 per_disc = int (disc_size / (pic_size * (100 - comp_rate) / float(100))) remain = num_pics % per_disc if remain == 0:

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a6q2 - CS116 Assignment 6 Question 2 Ru Wang r46wang...

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