elow is the exercise for unsorted arrays. True or False: For each statement below, indicate whether you think it is True or False 3) For the insert function, if the array is empty, there are no comparison operations that need to be performed and you can immediately add the new element
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Below is the exercise for unsorted arrays. True or False:
For each statement below, indicate whether you think it is True or False
3) For the insert function, if the array is empty, there are no comparison operations that need to be performed and you can immediately add the new element
5) Because the update
6) If you search for and delete an element in an unsorted array and then shift the rest of the elements to fill the hole, the worst case performance is O(n)
7) If you search for and delete an element in an unsorted array and then move the last element to fill the hole, the worst case performance is O(n)
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- True or False For each statement below, indicate whether you think it is True or False For the insert function, if the array is empty, there are no comparison operations that need to be performed and you can immediately add the new element Binary search can be used on an unsorted array to significantly improve its performance from O(n) to O(1) Because the update algorithm depends on using linear search, its performance is O(1) in the worst case scenario If you search for and delete an element in an unsorted array and then shift the rest of the elements to fill the hole, the worst case performance is O(n) If you search for and delete an element in an unsorted array and then move the last element to fill the hole, the worst case performance is O(n)If array A consists only of values of 0, 1, and 2, design a function that sorts A. However, sorting should be done without comparing the records' keys. We approach array A by dividing the area into three places and placing 0, 1, 2 in each place. O goes from index 0, and 2 goes from the largest index. 0 The results before and after alignment are shown below. Before alignment = {0, 1, 1, 0, 1, 2, 1, 2, 0, 0, 0, 1} After alignment = {0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2}In main() for now: do these - one at a time, each in it's own loop (we will make functions out of them later –Declare an array RandArray with 20 integers –Assign each of the 20 values with a random value from 0 to 99 Hint: Use rand()%100 For mimir: Do not call srand at the top of main. // normally: Call srand(time(0)) at the top of main –(you need #include<cstdlib>) –Write another loop that prints the array, with index values Important: If the output values do not match mimir, please add srand(17); // inside your main function - at the top code format: #include <iostream>using namespace std; #include <cstdlib> // required for rand() int main(){ srand(17); // define a constant ARRAYSIZE that is 20 // declare randArray // set the 20 elements in randArray to be a random number between 0 and 99 // hint: use rand()%100 // print the 20 values return 0;}
- take & array from user and print all the elements after doubling its and you have to separate function for doubling operation.Code only_Given an unsorted array A of size N that contains only positive integers, find a continuous sub-array that adds to a given number S and return the left and right index(1-based indexing) of that subarray. In case of multiple subarrays, return the subarray indexes which come first on moving from left to right. Note:- You have to return an ArrayList consisting of two elements left and right. In case no such subarray exists return an array consisting of element -1..Select true or false for the statements below. Explain your answers if you like to receive partial credit 9) Which of the following is true about the Mergesort algorithm applied to an array ofnumbers that are all different?a. Memory usage is efficient because all swaps take place within the same arrayb. Performance is consistently at O(n log n) for all array scenariosc. When the partition function completes on the array, the pivot element willalways be in the exact center of the array
- DESIGN YOUR OWN SETTING Task: Devise your own setting for storing and searching the data in an array of non-negative integers redundantly. You may just describe the setting without having to give an explicit algorithm to explain the process by which data is stored. You should explain how hardware failures can be detected in your method. Once you have described the setting, complete the following: Write a pseudocode function to describe an algorithm where the stored data can be searched for a value key: if the data is found, its location in the original array should be returned; -1 should be returned if the data is not found; -2 should be returned if there is a data storage error Include a short commentary explaining why your pseudocode works Describe the worst-case and best-case inputs to your search algorithm Derive the worst-case and best-case running times for the search algorithm Derive the Theta notation for the worst-case and best-case running times Maximum word count…: In searching an element in an array, linear search can be used, even though simple to implement, but not efficient, with only O(n) time complexity. Assuming the array is already in sorted order, modify the search function below, using a better algorithm, so the average time complexity for the search function is O(log n). include <iostream> using namespace std; int search(int al), int s, int v) { 1/ Modify below codes. for (int i = 0; i <s; i++) { if (a[i] = v) return i; return -1; int main() { int intArray:10] = { 5, 7, 8, 9, 10, 12, 13, 15, 20, 34); // Search for element '12' in 10-elements integer array. cout << search(intArray, 10, 12); // '5' will be printed out. // Search for element '35' in 10-elements integer array. cout << search(intArray, 10, 35); // '-1' will be printed out. // Index '-l' means that the element is not found. return 0;Q:During each iteration of Quick Sort algorithm, the first element of array is selected as a pivot. The algorithm for Quick Sort is given below. Modify it in such a way that last element of array should be selected as a pivot at each iteration. Also explain the advantages.
- True or False For each statement below, indicate whether you think it is True or False. If you use binary search on a sorted array, the performance at worst is O(log n) For the insert algorithm, if you use binary search to find the location to insert the new element, it will improve the overall performance of the algorithm to O(log n) For the update algorithm in a sorted array, all you have to do is use linear or binary search to find the element you want to change, and if you find it, you only need to change it to the new value Binary search can be used on an unsorted array Inserting elements into a sorted array is O(n) because you have to find the location to add the new element and then shift the remaining elements If the sorted array gets too large, the performance of binary search becomes O(n) For the delete algorithm, after you find the element to delete, you can make the algorithm run faster by replacing it with the last element in the array If you used binary search to…Rewrite this code, using modular programming style, and correcting any errors if necessary. 2. Optimize the algorithm by making the following modifications: (a) After the first pass, the largest number is guaranteed to be in the highest- numbered element in the array; after the second pass, the two highest numbers are "in place," and so on. Instead of comparing every pair on every pass, modify the algorithm to make as few comparisons as necessary on each pass. (b) Modify the algorithm to check at the end of each pass if any swaps have been made. If none have been made, the data must already be in the proper order, so the program should terminate. Observe the single-exit point rule when making this modification. 3. Insert appropriate statements in your code to output the state of the array after every pass. #include <iostream> #include <iomanip> using namespace std; using std::setw; using std::cout; using std::endl; using std::size_t; int main() { const short…Consider your roll number as an array.• Write Bubble Sort Function to sort your rollnumber in Descending Order.1Also• If the array is sorted in 1st, 2nd, OR 3rd Pass,Loop should break after that pass.• In the second pass, Number of Comparisonsshould decrease by One and so on You are required to dry run your abovecode.Hint:for 1st value of i there will be 4 steps of j(Pass1)· for the second value of i there will be 3 stepsof j (Pass2)