with Problem 8 You are given 2 different arrays of the different sizes that are filled } numbers. Write a method that zips these two arrays together. Each index should alternate like the merge from problem 7, but once one array has been emptied * all other elements from the non-empty array should be added consecutively. * Once this is done, return the array Example input: firstArray = {1,3,5}, secondArray = {2,4,6,8,10} * Example Output: {1, 2, 3, 4, 5, 6, 8, 10} */ public int[] Problem8 (int[] // Your code here return null; firstArray, int[] secondArray) {

with Problem 8 You are given 2 different arrays of the different sizes that are filled } numbers. Write a method that zips these two arrays together. Each index should alternate like the merge from problem 7, but once one array has been emptied * all other elements from the non-empty array should be added consecutively. * Once this is done, return the array Example input: firstArray = {1,3,5}, secondArray = {2,4,6,8,10} * Example Output: {1, 2, 3, 4, 5, 6, 8, 10} */ public int[] Problem8 (int[] // Your code here return null; firstArray, int[] secondArray) {

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1. You have an array of four integers that has been sorted from lowest to greatest value in the array. You also have a function that does a bubble sort in order to arrange things from lowest to greatest priority. If you call this method on your array, the function will perform at least one swap on your array. If false, why is it untrue?
Below you will find code blocks necessary to insert a value into an ordered array given a position (index) to insert. Be careful! Some lines are not needed. first line COMPLETED: bool insertElement(char array[ ], int& numElems, int &capacity, in position, char value) { last line COMPLETE: bool insertElement(char array[ ], int numElems, int capacity, in position, char value) {
Consider the following code segment that includes a method called multiply. The multiply method is a sample method for the multiplication of an n by m array and an m by p array. Suppose the multiply method is invoked as shown, what will be the value of the expressiona5[1][1]?Note that the initializeArray method puts a 0 to every cell of the array passed to initializeArray.
You are given two sorted arrays, A and B, where A has a large enough buffer at theend to hold B. Write a method to merge B into A in sorted order
Write a loop that sets newScores to oldScores shifted once left, with element 0 copied to the end. Ex: If oldScores = {10, 20, 30, 40}, then newScores = {20, 30, 40, 10}.Note: These activities may test code with different test values. This activity will perform two tests, both with a 4-element array (int oldScores[4]). See "How to Use zyBooks".Also note: If the submitted code tries to access an invalid array element, such as newScores[9] for a 4-element array, the test may generate strange results. Or the test may crash and report "Program end never reached", in which case the system doesn't print the test case that caused the reported message. #include <iostream>using namespace std; int main() {const int SCORES_SIZE = 4;int oldScores[SCORES_SIZE];int newScores[SCORES_SIZE];int i; for (i = 0; i < SCORES_SIZE; ++i) {cin >> oldScores[i];} /* Your solution goes here */ for (i = 0; i < SCORES_SIZE; ++i) {cout << newScores[i] << " ";}cout << endl; return…
Write a loop that sets newScores to oldScores shifted once left, with element 0 copied to the end. Ex: If oldScores = {10, 20, 30, 40}, then newScores = {20, 30, 40, 10}.Note: These activities may test code with different test values. This activity will perform two tests, both with a 4-element array (int oldScores[4]). See "How to Use zyBooks".Also note: If the submitted code tries to access an invalid array element, such as newScores[9] for a 4-element array, the test may generate strange results. Or the test may crash and report "Program end never reached", in which case the system doesn't print the test case that caused the reported message. import java.util.Scanner; public class StudentScores { public static void main (String [] args) { Scanner scnr = new Scanner(System.in); final int SCORES_SIZE = 4; int[] oldScores = new int[SCORES_SIZE]; int[] newScores = new int[SCORES_SIZE]; int i; for (i = 0; i < oldScores.length; ++i) { oldScores[i] = scnr.nextInt(); } for (i = 0; i…
. Now take any name from the user, find whether that name is present in that array or not, and print the position of that name in the array if found. Write a search method to sequentially search the name from the array. Invoke the search method from the main method. The array and the name to be searched should be passed into the search method as parameters.Now write a Java program to implement binary search for the above problem.[Hint: You can use equals() and compareTo() methods of String class.]
Use C++ Programming bool remove(const char* person) Improve the remove method where you return true if an entry is successfully deleted (i.e. we have found an entry that matches the person), otherwise return false. Initial code below bool remove(const char* person) { for (int i = 0; i < index; i++) { entry* existing = array + (sizeof(entry) * i); if (!strcmp(existing->name, person)) { // MOVE all entries to the left starting to the next // We are to stop before we reach index-1 so as not to reach index-1+1 where data doesn't exist for (int j = i; j < index - 1; j++) { // current entry = next entry *(array + ( sizeof(entry) * (j) ) ) = *(array + ( sizeof(entry) * (j+1) ) ); } index--; break; } } // Added temporarily. You may delete or move this.…
Select true or false for the statements below. Explain your answers if you like to receive partial credit Select true or false for the statements below. Explain your answers if you like to receive partial credit Which of the following is true about searching elements in an unordered array? With the data is unsorted, search is O(n) because if the element you are looking for is not there, you have to check every element in the array If you start at the end of the array and traverse to index 0, search improves to O(log n) because you only have to look at half of the array If you get lucky with checking the first element and find it immediately, then the worst case performance of search improves to O(n^2) Which of the following is true about searching elements in an ordered array? You cannot use binary search on an ordered array so the performance is O(n) If there are no holes in the array and the elements are all next to each other, then the performance for search improves to…
Implement the following method to sort the columns in a twodimensional array. A new array is returned and the original array is intact.public static double[ ][ ] sortColumns(double[ ][ ] m) Write a test program that prompts the user to enter a 4 X 4 matrix of doublevalues and displays a new column-sorted matrix. Here is a sample run: Enter a 4−by−4 matrix row by row:0.15 0.875 0.375 0.225 ↵Enter0.55 0.005 0.225 0.015↵Enter0.30 0.12 0.4 0.008 ↵Enter0.07 0.021 0.14 0.2 ↵EnterThe column−sorted array is0.07 0.005 0.14 0.0080.15 0.021 0.225 0.0150.30 0.12 0.375 0.20.55 0.875 0.4 0.225
The code below computes the intersection (the number of entries shared by two arrays). It is assumed that neither array contains any duplicates. It computes the intersection by sorting one array (array b) and then iterating over array a to see if each value is in b (through binary search). What is its duration? nt intersection(int[] a, int[] b) {mergesort(b);}int intersect = 0;for (int x : a) {if (binarySearch(b, x) >= 0) {intersect++;return intersect; }}
Instrument shellsort to print the number of compares divided by the array sizefor each increment. Write a test client that tests the hypothesis that this number is asmall constant, by sorting arrays of random Double values, using array sizes that areincreasing powers of 10, starting at 100