Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Chapter 1.7, Problem 26SC
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There are two kinds of marbles in this algorithm, black and white color. The user has a random sequence of colored marbles, consider the given pseudo-code:
- Repeat the step until the marbles gets sorted
- Initially place the marble that is preceded by the marble of a different color, and then moved them...
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Consider sorting n numbers stored in array A by first finding the smallest element of A and exchanging it with the element in A[1]. Then find the second smallest element of A, and exchange it with A[2]. Continue in this manner for the first n -1 elements of A. write pseudocode for this algorithm , which is known as selection sort. What loop invariant does this algorithm maintain? Why does it need to run for only the first n – 1 elements, rather than for all n elements? Give the best-case and worst-case running times of selection sort in Θ-notation.
Consider sorting n numbers stored in array A by first finding the smallest element of A and exchanging it with the element in A[1]. Then find the second smallest element of A and exchange it with A[2]. Continue in this manner for the first n-1 elements of A. Write pseudocode for this algorithm, which is known as selection sort. What loop invariant does this algorithm maintain? Why does it need to run for only the first n-1 elements, rather than for all n elements? Give the best-case and worst-case running times of selection sort in theta-notation.
Task is to generate a list of 100 random integers between 1 and 1000. The integers should be sorted from smallest to largest and have no duplicates.
Your code should perform at most n operations, where n = 100 in this case. What this means is that your random generation function random.randint(x,y) should not be called more than 100 times.
Chapter 1 Solutions
Big Java Late Objects
Ch. 1.1 - What is required to play music on a computer?Ch. 1.1 - Why is a CD player less flexible than a computer?Ch. 1.1 - What does a computer user need to know about...Ch. 1.2 - Prob. 4SCCh. 1.2 - Which part of the computer carries out arithmetic...Ch. 1.2 - A modern smartphone is a computer, comparable to a...Ch. 1.3 - What are the two most important benefits of the...Ch. 1.3 - Prob. 8SCCh. 1.4 - Prob. 9SCCh. 1.4 - Prob. 10SC
Ch. 1.5 - How do you modify the HelloPrinter program to...Ch. 1.5 - How would you modify the HelloPrinter program to...Ch. 1.5 - Would the program continue to work if you replaced...Ch. 1.5 - What does the following set of statements print?...Ch. 1.5 - What do the following statements print?...Ch. 1.6 - Suppose you omit the "" characters around Hello,...Ch. 1.6 - Suppose you change println to Printline in the...Ch. 1.6 - Suppose you change main to hello in the...Ch. 1.6 - Prob. 19SCCh. 1.6 - Prob. 20SCCh. 1.7 - Prob. 21SCCh. 1.7 - Suppose your cell phone carrier charges you 29.95...Ch. 1.7 - Consider the following pseudocode for finding the...Ch. 1.7 - Suppose each photo in Self Check 23 had a price...Ch. 1.7 - Prob. 25SCCh. 1.7 - Prob. 26SCCh. 1 - Explain the difference between using a computer...Ch. 1 - Prob. 2RECh. 1 - Prob. 3RECh. 1 - Prob. 4RECh. 1 - Prob. 5RECh. 1 - Prob. 6RECh. 1 - What does this program print? public class Test {...Ch. 1 - What does this program print? Pay close attention...Ch. 1 - Prob. 9RECh. 1 - Write three versions of the HelloPrinter.java...Ch. 1 - How do you discover syntax errors? How do you...Ch. 1 - The cafeteria offers a discount card for sale that...Ch. 1 - Write an algorithm to settle the following...Ch. 1 - Consider the question in Exercise R1.13. Suppose...Ch. 1 - In order to estimate the cost of painting a house,...Ch. 1 - In How To 1.1, you made assumptions about the...Ch. 1 - Suppose you put your younger brother in charge of...Ch. 1 - Write pseudocode for an algorithm that describes...Ch. 1 - The ancient Babylonians had an algorithm for...Ch. 1 - Write a program that prints a greeting of your...Ch. 1 - Write a program that prints the sum of the first...Ch. 1 - Write a program that prints the product of the...Ch. 1 - Write a program that prints the balance of an...Ch. 1 - Write a program that displays your name inside a...Ch. 1 - Write a program that prints your name in large...Ch. 1 - Write a program that prints your name in Morse...Ch. 1 - Write a program that prints a face similar to (but...Ch. 1 - Write a program that prints an imitation of a Piet...Ch. 1 - Write a program that prints a house that looks...Ch. 1 - Write a program that prints an animal speaking a...Ch. 1 - Write a program that prints three items, such as...Ch. 1 - Write a program that prints a poem of your choice....Ch. 1 - Write a program that prints the United States...Ch. 1 - Type in and run the following program. Then modify...Ch. 1 - Type in and run the following program. Then modify...Ch. 1 - Modify the program from Exercise E1.16 so that the...Ch. 1 - Prob. 18PECh. 1 - Write a program that prints a two-column list of...Ch. 1 - In the United States there is no federal sales...Ch. 1 - To speak more than one language is a valuable...Ch. 1 - You want to decide whether you should drive your...Ch. 1 - You want to find out which fraction of your cars...Ch. 1 - The value of can be computed according to the...Ch. 1 - Imagine that you and a number of friends go to a...Ch. 1 - Write an algorithm to create a tile pattern...Ch. 1 - Write an algorithm that allows a robot to mow a...Ch. 1 - Consider a robot that is placed in a room. The...Ch. 1 - Consider a robot that has been placed in a maze....Ch. 1 - Suppose you received a loyalty promotion that lets...Ch. 1 - A television manufacturer advertises that a...Ch. 1 - Cameras today can correct red eye problems caused...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Consider sorting n numbers stored in array A by first finding the smallest elementof A and exchanging it with the element in A[1]. Then find the second smallestelement of A, and exchange it with A[2]. Continue in this manner for the first n-1elements of A. Write pseudocode for this algorithm, which is known as selectionsort. What loop invariant does this algorithm maintain? Why does it need to run foronly the first n - 1 elements, rather than for all n elements? Give the best-case andworst-case running times of selection sort in Θ -notation.arrow_forwardThe greatest common divisor of two positive integers, A and B, is the largest number that can be evenly divided into both of them. Euclid’s algorithm can be used to find the greatest common divisor (GCD) of two positive integers. You can use this algorithm in the following manner: Compute the remainder of dividing the larger number by the smaller number. Replace the larger number with the smaller number and the smaller number with the remainder. Repeat this process until the smaller number is zero. The larger number at this point is the GCD of A and B. Write a program that lets the user enter two integers and then prints each step in the process of using the Euclidean algorithm to find their GCD. An example of the program input and output is shown below: Enter the smaller number: 5 Enter the larger number: 15 The greatest common divisor is 5arrow_forwardThe Sieve of Eratosthenes is an algorithm that finds all prime numbers up to a given limit, n. It works by creating an array of Booleans, flag, of size n+1, initializing the array to true (assuming every number is a prime number in the beginning), and iteratively traversing the numbers from 2 to n, setting the values of indices that are multiples of other numbers to false. Write a program using the algorithm above, and display all the prime numbers up to 50.arrow_forward
- Below is an array of elements that can be traversed via Linear and Binary search. You will be given five elements for each searching algorithms. You need to list down the elements traversed until it reaches to the element we are looking for: 33 54 74 124 148 248 274 203 443 445 452 457 470 512 520 505 2 10 11 12 13 14 15 570 500 634 730 783 803 810 886 030 10 17 18 19 20 21 22 23 24 25 20 27 28 29 30 31 A. Linear Search 1. 763 2. 148 3. 476 4. 526 5. 74 B. Binary Search 1. 985 2. 590 3. 476 4. 887 5. 897arrow_forwardI need help with this please. Make sure to add your reasonsand arguments for your decisions.arrow_forwardGiven a list of integers, we want to know whether it is possible to choose a subset of some of the integers, such that the integers in the subset adds up to the given sum recursively. We also want that if an integer is chosen to be in the sum, the integer next to it in the list must be skipped and not chosen to be in the sum. Do not use any loops or regular expressions. Test cases: skipSum([2, 5, 10, 6], 12) true skipSum([2, 5, 10, 6], 7) false skipSum([2, 5, 10, 6], 16) false Given code: public static boolean skipSum (List list, int sum) { // call your recursive helper method return skipSumHelper (list, e, sum); 1. 2. 3. 4.arrow_forward
- Given an unsorted array of integers, A, its size n, and two numbers x and y both elements of A. write an algorithm that returns the distance between x and y. The distance between the two numbers of an array is the number of elements that lie between them in the sorted order. Achieve the asymtotically fastest time for this problemarrow_forwardWrite an algorithm in pseudocode that finds the average of (n) numbers. For example) (numbers are [4,5,14,20,3,6] ?arrow_forwardWrite 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?arrow_forward
- Given a binary array A[] of size N. The task is to arrange the array in increasing order. Note: The binary array contains only 0 and 1. Example 1: Input: 5 1 0 1 1 0 Output: 0 0 1 1 1 Explanation: After arranging the elements in increasing order, elements will be as 0 0 1 1 1.arrow_forwardGiven an array A[] of size n. The task is to find the largest element in it. Example 1: Input: n = 5 A[] = {1, 8, 7, 56, 90} Output: 90 Explanation: The largest element of given array is 90.arrow_forwardjavaarrow_forward
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