JAVA

An array is sparse if most of its entries are null. A list L can be used to implement such an array, A, efficiently. In particular, for each non null cell A[i], we can store a pair (i,e) in L, where e is the element stored at A[i]. This approach allows us to represent A using O(m) storage, where m is the number of non null entries in A.

Describe and analyze efficient ways of performing the methods of the array list ADT on such a representation. Hint: There is a trade-off between insertion and searching depending on whether the entries in L are sorted.

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JAVA

An array is sparse if most of its entries are null. A list L can be used to implement such an array, A, efficiently. In particular, for each non null cell A[i], we can store a pair (i,e) in L, where e is the element stored at A[i]. This approach allows us to represent A using O(m) storage, where m is the number of non null entries in A.

Describe and analyze efficient ways of performing the methods of the array list ADT on such a representation. Hint: There is a trade-off between insertion and searching depending on whether the entries in L are sorted.

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JAVA An array is sparse if most of its entries are null. A list L can be used to implement such an array, A, efficiently.

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