What additional function is used in the QuickSort algorithm? Partition Merge Sort Search
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- Please answers fast Implement an external sort, which uses intermediate files to sort files bigger than main memory. Why Mergesort is a better algorithm than heapsort or quicksort to base such an implementation on? Test your program both on files with small records and on files with large records.IN JAVA Script - There is one operator in JavaScript, which is able to provide the rest of the partition function. Two numbers are passed as parameters. The first parameter divided by the second parameter will have a remainder, possibly zero. Return that number. Examples - remaining (1, 3)· remaining (3, 4) → 3 remaining (-9, 45) – -9 remaining (5, 5) → 0In the third step, you will review the Quicksort and the Insertion Sort code. You will recall from the class presentation that it was suggested that Quicksort is not very efficient when the partition sizes become very small. It was also suggested in class that most implementations of Quicksort switch to another method when the partition size gets small. Create a new version of the Quicksort code to switch to Insertion sort on partitions less than 32 data items in size. 1. Confirm, using a small data set, that your version works. 2. Run a comparison between the original Quicksort and your new version in a way like the way you did comparisons in Step 2. Use the RANDOM.TXT file for the data to test both versions - with at least 50000 items of data in your input file.
- For Quick Sort, and when selecting a partition element via the "median of N elements" method, which of the following values for N would result in a better partition? 7 15 9. O 0O Owrite a batch file which it can Sort based on the column in file. Important that the user can choose which column . Look what is batch file : https://en.wikipedia.org/wiki/Batch_file The textfile : ID Name Weight Long Class Age012 Eric 56 156 7 13045 Richard 78 178 9 17098 Maya 60 164 10 16072 Anna 56 152 8 14034 Helena 76 169 11 18022 Kevin 66 162 6 12093 Peter 99 170 12 19In this task, we would like to generate a keyed hash (i.e. MAC) for a file. We can use the “-hmac” option (this option is currently undocumented, but it is supported byopenssl). The following example generates a keyed hash for a file using the HMAC-MD5 algorithm. The string following the “-hmac” option is the key. “openssl dgst -md5 -hmac "abcdefg" filename” Please generate a keyed hash using HMAC-MD5, HMAC-SHA256, and HMAC-SHA1 for any file that you choose. Please try several keys with different lengths. 1. Do we have to use a key with a fixed size in HMAC? 2. If so, what is the key size? 3. If not, why?
- how to write a batch file which sort a table by column if we take that table for exempel The textfile : ID Name Weight Long Class Age012 Eric 56 156 7 13045 Richard 78 178 9 17098 Maya 60 164 10 16072 Anna 56 152 8 14034 Helena 76 169 11 18022 Kevin 66 162 6 12093 Peter 99 170 12 19JAVA: Use the "natural split" algorithm on the file split.txt and answer the following question: How many elements are in the first list? Split.txt file 200494 774 644 345 521 61 27 28 584 569 66 857 210 2 211 675 548 596 188 647 671 517 408 475 615 113 731 522 850 17 640 940 556 517 602 935 76 578 880 428 168 394 381 497 247 368 137 138 619 973 895 106 838 45 921 800 681 660 490 427 937 917 786 959 152 604 837 749 684 963 926 963 988 492 385 458 788 7 62 46 932 996 787 634 34 616 71 128 686 578 923 532 933 545 100 224 895 595 342 933 934 797 120 565 495 884 237 648 843 599 157 843 192 279 301 649 382 881 667 178 126 746 44 601 22 52 769 708 991 83 447 786 525 168 328 922 153 367 22 689 834 774 93 110 547 597 644 726 237 20 370 573 391 225 750 897 956 839 951 455 8 509 746 338 576 276 277 341 274 891 723 53 966 271 50 990 493 823 833 306 619 461 768 832 736 759 920 451 549 833 911 123 907 225 252 179 177 272 747 859In this exercise you will design and implement a simple encryption program that can either encrypt or decrypt a string of text by following the steps below. Create a dictionary dict that maps each (lower case) character of the basic Latin alphabet to another. Make sure no one letter is mapped to itself. Do not use a simple ordering, such as reversing the alphabet. This will act as your cipher. Your program should be able to ask user for a text and encrypt it. Your program will take each character in the string and swap it with the corresponding character from the cipher, print the encrypted text. Your program should be able to decrypt encrypted text as well. It should perform the opposite operation as the encrypt does. Print the decrypted text. Create a loop that asks if the user would like to encrypt some text, decrypt some cipher text, or exit the program. Perform the operation the user selects, printing the computed text if applicable.
- The purpose of this project is to assess your ability to: Implement a hash table Utilize a hash table to efficiently locate data Analyze and compare algorithms for efficiency using Big-O notation For this project, you will implement a hash table and use it to store words in a large text file. Your hash table should use chaining for collision resolution. You may design any hash function you wish. Your program will read a file and insert each word into a hash table. Once the table is populated, allow the user to enter words to search for. For each word entered, your program should report the number of elements inspected and whether or not the word was located. Provide an analysis of your insert and search algorithms using Big-O notation. Be sure to provide justification for your claims.The above code only works because it is not using any threads. It is just using the simple insert sort since the list is so small (look at the if statement in the quicksort function). My code is broken, I am asking you how I can fix it.numbers = (18, 98, 68, 19, 42, 25, 52, 75) Partition(numbers, 1, 7) is called. Assume quicksort always chooses the element at the midpoint as the pivot. What is the pivot? What is the low partition? What is the high partition? What is numbers after Partition(numbers, 1, 7) completes?