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- Consider an unsorted array of elements {25, 17, 36, 2, 3, 100, 1, 19, 7}:i) Show how to get the first four sorted numbers when applying Selection sort and Insertion sort.ii) Show how to get the first two partitions for the above array when Quicksort is applied.iii) Show the steps to search for 25 in the above sequence using binary search algorithm.iv) Write a C++ program to search for 17 in the above sequence using linear searching algorithm.Problem 4: Divide and conquer.(i) Let A be an array containing n different integers. Elements in A are sorted inincreasing order. Given an integer x describe an algorithm which in time O(log n)finds an index i of x in A, that is, A[i] = x, where the length n of A is unknown(you may assume that the implementation of an array is such that for A[i], wherei > n, a special character ∞ is returned).(ii) Let A be an array containing n different integers. Elements in A are not necessarysorted. Given an integer x describe an algorithm which in time O(n log n) testswhether there exist two elements u and v in A such that their sum is equal to x, thatis, u + v = x. The length n of A is known.Problem 6: Suppose you are given an unsorted array A of all integers in the range 0 ton except for one integer, called the missing number. Assume n = 2k − 1. Using the divideand conquer strategy design an O(n)-algorithm to find the missing number.
- 1. (a) Write a recursive o function for performing binary search on an array of integer. Show how to use this function with sample call from main(). For an input array A={2,6,8,14, 18, 19,37,46, 77}, show each step of algorithm when searching for the value (i) 46 (ii) 17 in the array. (b) Give a structure for storing a active COVID cases in a state. It should consist of the state name (20 characters)and number of active COVID 19 cases (integers) in each state. Each of the 250 students of Btech 1st year (all sections). Inside main () create and array of structure type for holding this information. Write a function that sorts this array in ascending order of active COVID 19 cases, so that we can rank the states in order of the number of cases in each state of the country. (c) Write a function called input() that reads the content of 2-D array( A matrix) row by row. Write a second C function called mult() that takes two matrices and their dimensions as argument and computes. Their…1. Given an array B = {4, 20, 36, 45, 101, 175, 209, 332}, show the steps to search for the value200 in array B using sequential search, binary search and key-indexed search. Indicate thenumber of comparisons performed by each algorithm. 2. Given an array storing integers ordered by value in increasing order, modify the binary searchalgorithm to return the position of the first integer with value K assuming K can appearmultiple times in the array. Be sure that your algorithm is (log n), that is, do not usesequential search once an occurrence of K is found. 3. Given an array storing integers ordered by value in increasing order, modify the binary searchalgorithm to return the position of the integer with the greatest value less than K assuming Kdoes not appear in the array. Return -1 if all values in the array are greater or equal K.26. PLEASE TURN THIS SELECTION SORT FUNCTION INTO SIMPLE RISC-V CODE: (please do not explain the code, I understand the code) #include <stdio.h> void swap(int *xp, int *yp) { int temp = *xp; *xp = *yp; *yp = temp; } void selectionSort(int arr[], int n) { int i, j, min_idx; // One by one move boundary of unsorted subarray for (i = 0; i < n-1; i++) { // Find the minimum element in unsorted array min_idx = i; for (j = i+1; j < n; j++) if (arr[j] < arr[min_idx]) min_idx = j; // Swap the found minimum element with the first element if(min_idx != i) swap(&arr[min_idx], &arr[i]); } } /* Function to print an array */ void printArray(int arr[], int size) { int i; for (i=0; i < size; i++) printf("%d ", arr[i]); printf("\n"); } // Driver program to test above functions int main() { int arr[] = {64, 25, 12, 22, 11}; int n = sizeof(arr)/sizeof(arr[0]); selectionSort(arr, n); printf("Sorted array: \n"); printArray(arr, n); return 0; }
- 4 I enrolled in the Algorithms, Part II course on Coursera, and considering that the question is given after the Radix Sort lecture, I'm assuming the intent is to use one of the Radix Sorts. Given an unsorted array A[] of N 64-bit integers and a target value T, determine whether there aretwo distinct integers i and j such that a[i] + a[j] = T. Briefly explain why your algorithm is correct. Your algorithm should run O(N) in the worst case.(b) explain the Median-of-three Partitioning method in choosing the pivot in quicksort algorithm. (c) With the array input (8, 1, 4, 9, 6, 3, 5, 2, 7, 0) and choosing element 6 as the pivot, partition the elements in the array. Explain all steps in your algorithm.You are given two sorted arrays A = [1, 2, 3] B = [2, 5, 6, 7], o/p = [1, 2, 2, 3, 5, 6, 7] Write an algorithm to merge these sorted arrays. Mention the time and space complexity of your algorithm
- c++ 1. Use the rand() function (seeded with srand(time(0))) to generate a small arrays of dimension 20, such that the entries are random positive integers less than 100. Implement the bubble sort and the selection sort and sort your random array of integers.Using in C(not C++ or C#) I need help in coding this following problem. Assume a 2D array int M[NROWS][NCOLS] , implement the -> int * Search(int M[][NCOLS], int key). Description- do a linear search on M in row major order. If the key is found, return its memory address otherwise return NULL.3.Consider a numpy 2-D array of the form [[50, 60, 70], [67, 88, 90], [60, 78, 97]]where the ith 1-D array contains the marks of the ith student in three subjects (inthis order. E.g. 50, 60, 70 are the subject1, subject2, subject3 marks respectivelyof student-0. Use numpy sum function only to i) create a 1-D numpy array withthe sum of the marks of individual students ii) create a 1-D numpy array with thesum of subject-wise marks. Also, do these operations to produce 2-D numpyarrays with the same content.Hint: use axis = 1, 0 etc4. Given two 1-D numpy arrays A and B, remove the elements in A which are alsoin B and store the resulting array in C. Use numpy set operations.5. Given two numpy 2-D arrays arr1 = np.array([[1, 2], [4, 5]]), arr2 = np.array([[3, 3],[1,1]]) explore the difference between np.multiply(arr1, arr2) and np.matmul(arr1,arr2