Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Show the loop invariant of Merge Sort. Initialization, Maintenance, and Terminantion
Show the loop invariant of BFS. Initialization, Maintenance, and Terminantion
Show the loop invariant of DFS. Initialization, Maintenance, and Terminantion
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- We learned in this lesson that Merge Sorts are recursive. One of the favorite topics that College Board likes to ask is how many times a recursive method is called. With that in mind, let’s figure out how many times our recursive method is called for a given merge sort. For this exercise, you are given the mergeSort and the makeRandomArray helper methods. Using the static count variable, add an incrementer in the mergeSort method to count how many times it is called. Then, in the main method, create a random array of sizes 100, 1000, 10k, and 100k. Run the array through the sort and print out the results of the counter. Don’t forget to reset the counter between runs! You should pay attention to the pattern that you see. Does this pattern surprise you? 10.3.7 Recursive Callsarrow_forwardModify the FindBestPlan(S) function to create a function FindBestPlan(S, O),where O is a desired sort order for S, and which considers interesting sortorders. A null order indicates that the order is not relevant. Hints: An algorithmA may give the desired order O; if not a sort operation may need to be added to get the desired order. If A is a merge-join, FindBestPlan must be invoked on the two inputs with the desired orders for the inputs.arrow_forwardDescribe two benefits of linear search over binary search.arrow_forward
- Need the above solution using list comprehensionarrow_forwardDiscuss the concept of stability in sorting and how it applies when using the Comparable interface for sorting objects.arrow_forwardThe interchange implementation was supposed to be better than the transpose implementation as it implements the same algorithm without the need of copying the 640,000 elements. However, it is not. How do you explain this inconsistency?arrow_forward
- show example on implementing Merge sort and Quick sortarrow_forwardDescribe the benefits of using the merge sort in Java. What are the key steps that must be taken to ensure an efficient sorting of objects? Also, specifically think of and give a real-life scenario where Merge sort may be used Merge sort may be a better fit than Quick and Radix sortsarrow_forwardWrite a merge Merge Sort Implementation in Go.arrow_forward
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