4. Note: A pair is a simple struct with two data members, one of type T and one

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4. Note: A pair is a simple struct with two data members, one of type T and one of type T2. A set and a map are organized as binary search trees; an unordered set and an unordered map are organized as hash tables that never allow the load factor to exceed some constant, and visiting every item in a hash table of N items is O(N) UCLA has C courses each of which has on average S students enrolled. For this problem, courses Suppose are represented by strings (e.g. "CS 32"), and students by their int UIDs. We will consider a variety of data structures, and for each determine the big-O time complexity of the appropriate way to use that data structure to determine whether a particular student s is enrolled in course c. For example, if the data structure were vector

Explanation / Answer

a)O(C+log S)

b)O(log C+S)

c)O(log C+log S)

d)O(C+log S)

e)O(C+S)

f)O(log C+S)

g)O(C+S2+S)

h)O(C+S)

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