Problem 1. Consider partitioning an array a[] containing the following keys, by calling the partition() method (shown below) from quick sort, as partition(a, 0, a.length-1): PARTIONEXML   private static int partition (Comparable []a, int lo, int hi) { int i = lo; int j = hi + 1; Comparable v = a[lo ]; while(true) { while(less(a[++i], v)) {if(i == hi) { break; } } while(less(v, a[--j ])) {if(j == lo) { break; } } if (i >= j) { break ; } exch (a, i, j); } exch (a, lo , j); return j; } Show steps and detail explanations for: (solutions are given) a.What is the value of the pivot element v? b.What is the value returned by the function call, ie, what is the destination index of the pivot? c.What is the state of the array after the call? Given solutions: a.P b.7 c.EALMIONPXTR

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Hash Table

A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of associative array. It keeps data in an array format, with a distinct index value for every data value. If the index of the required data is known, then the data can be accessed very easily.