Computer version 1. Choose 3 sorting algorithms, implement them and use the program to sort the following arrays in ascending order. Count the number of important operations. a. an array of 100 random integers b. an array of 100 integers from 1 to 100 C. an array of 100 integers from 100 to 1
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- 1. Write a program that compares all four advanced sorting algorithms discussed in this chapter. To perform the tests, create a randomly generatedarray of 1,000 elements. What is the ranking of the algorithms? What happens when you increase the array size to 10,000 elements and then 100,000elements?Write a program that stores a list of countries: "Egypt", "Switzerland", "Argentina", "Spain", "Portugal", "Luxemburg", etc. Initialize your array with a single statement. Then print out the array. Use the sort function as before to sort the countries in alphabetical order. Reprint your array.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;}
- Create two floating point arrays. Fill them with random numbers. Sort the first array in descending order and the second array in ascending order. Print both arrays before and after sorting.7. Suppose we are sorting an array of eight integers using quicksort, and we have just finished the first partitioning with the array looking like this: 25179 12 11 10 Which statement is correct? A. The pivot could be either the 7 or the 9. B. The pivot could be the 7, but it is not the 9. C. The pivot is not the 7, but it could be the 9. D. Neither the 7 nor the 9 is the pivot.Question 1: The following algorithm takes an unsorted array of integer numbers as input and sorts it in descending order, by repeatedly doing the following: • first, it searches in the whole array for the greatest element. • it then puts this element to the beginning of the array. • then, it searches the whole array excluding the first element for the greatest value and puts it to the second position. Implement the algorithm according to two different strategies: A. By using the method shiftRight(int[] A, int i, int j): if the maximum element is found in position j and needs to be put into position i, then (i) shift A to the right, starting from position i, while remembering the element in position j that will be overridden; (ii) copy the remembered element to position i. B. By using the method swap(int[] A, int i, int j): if the maximum element is found in position i and needs to be put into position j, then use swap to exchange the element in position i with the element in position…
- create an array of 30 random numbers that range between 1and 100. And yet again, write a function that will receive a number from the userand determine if that number exists in the array or not. But this time, start bySORTING your input list. After a sort, the list in problem 1 is as follows:[2, 2, 3, 5, 12, 14, 14, 15, 23, 36, 39, 41, 44, 44, 45, 48,49, 50, 52, 52, 59, 71, 81, 82, 88, 89, 89, 93, 96, 97] Approach: Implement a method called findC(x, A, i, j), where x is the number we arelooking for in array A, the first index of the array is i and the last index is j. We wantto determine whether x exists in A anywhere between index i and index j. Your firstcall to this method will therefore look like this: findC(x, A, 0, A.length-1). In the body of your function, compare x with the item that is in the middle of thearray, as you did before. As before, call the middle of index of the array mid. But thistime, if x<=a[mid], recursively call your function to search ONLY the first half of…Write a program that takes 20 elements of array from user at run time. Find maximum element of array and swap it with last element of array. Display before and after swappingarray.Given an array of length N and an integer x, you need to find all the indexes where x is present in the input array. Save all the indexes in an array (in increasing order). Do this recursively. Indexing in the array starts from 0. Input Format : Line 1: An Integer Ni.e. size of array Line 2: N integers which are elements of the array, separated by spaces Line 3: Integer x Output Format : indexes where x is present in the array (separated by space) Constraints: 1 <= N <= 10^3 Sample Input: 5 981088 8 Sample Output : 134 Solution:///// public class Solution { public static int[] allIndexes (int input[], int x, int startIndex) { if(startIndex==input.length) { int output[] = new int[0]; return output; } int smallOutput[] = allIndexes (input,x, startIndex+1); if(input[startIndex]==x){ int output[] = new int[smallOutput.length +1]; } } output[0] = startIndex; for(int i=0;iPlease help me with this: using js create an array of 30 random numbers that range between 1and 100. And yet again, write a function that will receive a number from the userand determine if that number exists in the array or not. But this time, start bySORTING your input list. After a sort, the list in problem 1 is as follows:[2, 2, 3, 5, 12, 14, 14, 15, 23, 36, 39, 41, 44, 44, 45, 48,49, 50, 52, 52, 59, 71, 81, 82, 88, 89, 89, 93, 96, 97] Approach: Implement a method called findC(x, A, i, j), where x is the number we arelooking for in array A, the first index of the array is i and the last index is j. We wantto determine whether x exists in A anywhere between index i and index j. Your firstcall to this method will therefore look like this: findC(x, A, 0, A.length-1). In the body of your function, compare x with the item that is in the middle of thearray, as you did before. As before, call the middle of index of the array mid. But thistime, if x<=a[mid], recursively call your…Create two Arrays A with 10 unsorted integer elements and B with 10 unsorted floatelements. Find the largest element in A and B and then sum both of them calling afunction SumAB() by reference. Sort A and B and then call another function StichAB()to merge B with A. Be careful about memory leakage.Question 17 Aa .You are given a sorted list of n numbers stored in an array A, where n can be arbitrarily large. Now randomly generate a number k and search the number in the list (i.e., in A). Now randomly select two subarrays of A, each of size n^1/2 . Then repeat the same procedure on each of the subarrays. The procedure stops after the subarray sizes become 1. Analyze the time complexity of finding the total number of successful searches in the entire procedure using big O-notation Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this lineSEE MORE QUESTIONS