structures presented in this unordered list in an unordered listlimplementing dictionarywe can maintain the location variable of each entry to point to ' position in the underlying linked list for this choice allows us to perform remove(eas remove( location())which would run in ( time hash table with separate chaining consider hash tablewith bucket array and hash function hthat uses separate chaining for handling collisions we use the location variable of each entry to point to ' position in the list implementing the mini-map [ ( )this choice allows us to perform the main work of remove(eas remove( location())which would run in constant expected time ordered search table in an ordered tabletimplementing dictionarywe should maintain the location variable of each entry to be ' index in this choice would allow us to perform remove(eas remove( location()(recall that location(now returns an integer this approach would run fast if entry was stored near the end of skip list in skip listsimplementing dictionarywe should maintain the location variable of each entry to point to ' position in the bottom level of this choice would allow us to skip the search step in our algorithm for performing remove(ein skip list we summarize the performance of entry removal in dictionary with locationaware entries in table table performance of the remove method in dictionaries implemented with location-aware entries we use to denote the number of entries in the dictionary list hash table search table skip list ( ( (expected