You are given 4 items as (ralue, weightpairs in this format {{20, 5), (60, 20}, {25, 10}, {X, 25)}You can assume that the array is sorted based on the ratio. The capacity of knapsack is 50. The item no. 4 (whose weights 25 ) is taken fractionally to fill upto the knapsack capacity. That fraction is represented in format. What is the lowest possible value of d? wwph For the question above, assume the total value stored in the knapsack is 135 after you have filled upto the knapsack capacity. What is the value of Xin other words, the rafueof the item no 41? at least two declmal places

You are given 4 items as (ralue, weightpairs in this format {{20, 5), (60, 20}, {25, 10}, {X, 25)}You can assume that the array is sorted based on the ratio. The capacity of knapsack is 50. The item no. 4 (whose weights 25 ) is taken fractionally to fill upto the knapsack capacity. That fraction is represented in format. What is the lowest possible value of d? wwph For the question above, assume the total value stored in the knapsack is 135 after you have filled upto the knapsack capacity. What is the value of Xin other words, the rafueof the item no 41? at least two declmal places

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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Two words (spelt in uppercase) are similar if and only if all letters in the 1st word are in the 2nd word and all letters in the 2nd word are in the 1st word; including the same number of duplications. For example, ABBA and BABA are similar; however, BABA and BAAA are not similar. To check two words which are similar, we can use two integer arrays, each has 26 elements (as we have 26 letters), you can assume that 1st array element stores the number of letter 'A', 2nd array element stores the number of letter 'B', and so on. What you need to do now is to check whether the two integer arrays are equal to decide whether the two words are similar. We propose following UML for this question: O TwoWords - String word1 -String word2 O Exam_Q4 +TwoWords0 - static Scanner input +TwoWords(String word1, String word2) O+TwoWords(TwoWords tw) O+ String getWord10 O+ static void main(String args) O+ String getWord20 O+void setinfo(String word1, String word2) O -intj countinfo (String word) O+boolean…
In a non-empty array of integers, the priority of a number is determined by the frequency of its occurrence. Elements are added as they come but the most frequent element is deleted first. If two elements have the same priority, then the element which came first will be deleted first. For example: nums = [1,2,3,1,3,1,3,2,3]. After the first deletion now the array will be num=[2,3,3,3,2,3]. Implement a priority queue for the aforementioned scenario. give the answer in brief and the correct one.
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The PARTITION(A) procedure inputs an array A, and takes the fınal element x = A[r] as the pivot element. The output is an array where all elements to the left of x are less than x, and all elements to the right of x are greater than x. An example is provided on pg. 172 of the textbook. In this example, A = [2,8,7,1,3,5,6,4]. The pivot element is x=4 (highlighted in red). The end result of PARTITION is [2,1,3,4,7,5,6,8]. Notice that all elements to the left of 4 are less than 4, and all elements to the right of 4 are greater than 4. I strongly encourage you to go through this example, step by step. Let A = [1,2,7,8,9,6,3,4,5]. Determine PARTITION(A).
: In an array of integers, a "peak" is an element which is greater than or equalto the adjacent integers and a "valley" is an element which is less than or equal to the adjacentintegers. For example, in the array {5, 8, 6, 2, 3, 4, 6}, {8, 6} are peaks and {5, 2} are valleys. Given anarray of integers, sort the array into an alternating sequence of peaks and valleys.EXAMPLEInput: {5, 3, 1, 2, 3}Output: {5, 1, 3, 2, 3}
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Suppose you have given a circular array of integers where start and size is given. You need to find the second largest even number and second smallest even number of the array. After that, replace the next index value of the second largest even value index with summation of the second largest even value and second smallest odd value, and previous index value of the second smallest even value index with the multiplication of the second largest odd and second smallest even value. Note: You must change the start and size accordingly. Assume that O represents empty spaces in the array. [You are not allowed to use any additional array/list or any built-in functions except lenO, range0].
You have to make a word dictionary for NLP study. A string is given to you of length n that consists of lowercase alphabets. An array of size 26 is also given to show the numeric value for each alphabet. You should display the subsequence of a particular size whose sum of values is maximum. If multiple subsequences are available, then print the subsequence which would come earlier in any normal dictionary. Input format The first line contains an integer t representing the number of test cases. For each test case, you are given two integers n and k, a string s, and an array A of length 26. n=number of characters in string, k=the size of the desired subsequence Output format Print a string for each test case. Explanation: In the first test case, optimal way is to include 'a' character twice and 'c' character once, so that the obtained sum (5+5+3=13) is maximum. Only two subsequences ("caa" and "aca") are there with sum 13, but "aca" would come before "caa" in dictionary. In the…
Given an array, find the next greater element for each element in the array, ifavailable. If not available, print the element itself. The next greater element y for anelement x in the array is the first element that is greater than x and occurs on its rightside. The next greater element of the right most element in an array is the elementitself.Example: Given A = [ 6 8 4 3 9] the next greater element listB = [8 9 9 9 9].
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Give me an in depth step by step explanation on how to solve this problem including a step by step explanation on how the ogic works for each answer choice.10. Consider two parallel arrays which contain the names and corresponding scores of players in a trivia game.String names "Rob", "Pam", "Sandy", "Kelly", "Kim", "J.P."}; int I scores = (2600, 2420, 1790, 2100, 3100, 3250);Which of the following code segments correctly prints the names and scores of all the players who scored above high?(A) for (int element scores) if (element> high) System.out.print In (names + " " + element);(B) for (int element scores)if (element >= high)System.out.println(names" "+element); (C) for (int i = 0; i < scores.length; i++)if (scores [i]> high) System.out.println(names [i] + " " + scores [i]);(D) for (int i = 0; i < scores.length; i++) System.out.println (names [i]+"" + scores [i]);if (scores [i] >= high)if (scores [i] high)(E) for (int i = 0; i <= scores.length; i++)…