A website has a test bank of questions. Students usc the website to sharpen theirskills. Teachers also use it to gencrate quizzes. Suppose the website generated nquestions for Teacher Alice. It also provided her a size-n array T such that T[i]denotes the topic covered by question i. Teacher Alice wants to rearrange thequestions so no two consecutive questions cover the same topic. That is, we saythe questions are scrambled. For example, if T = [2,3, 2, 2, 1, 3] then Teacher Alicecan reorder the questions as 1,2, 3, 5, 4, 6 so the new topic-array is [2,3, 2, 1, 2, 3].Q ---> Assume the questions covers topics 1, 2,..., k, where k is some constant.Given a size-n array T, design an O(n)-time algorithm that outputs a scrambledordering of the questions if it's possible and returns –1 otherwise. Again, justifythe correctness of your algorithm and explain why it runs in lincar time. For exam-ple, if the input is T = [2, 3, 2,2, 1, 3], your algorithm should output 1,2,3, 5, 4, 6.On the other hand, if the input is T = [3, 1, 1, 2, 1, 1], your algorithm outputs -1.

Program: nclude <stdio.h>void main(){ int n,i,flag=0,temp; printf("enter the number of…

A website has a test bank of questions. Students use the website to sharpen their skills. Teachers also use it to generate quizzes. Suppose the website generated n questions for Teacher Alice. It also provided her a size-n array T such that Ti] denotes the topic covered by question i. Teacher Alice wants to rearrange the questions so no two consecutive questions cover the same topic. That is, we say the questions are scrambled. For example, if T = [2, 3, 2, 2, 1, 3] then Teacher Alice can rcorder the questions as 1,2, 3, 5, 4, 6 so the new topic-array is [2,3, 2, 1, 2, 3]. Q ----> Assume the questions covers topics 1, 2, ..., ki, where k is some constant. Given a size-n array T, design an O(n)-time algorithm that outputs a scrambled ordering of the questions if it's possible and returns –1 otherwise. Again, justify the correctness of your algorithm and explain why it runs in lincar time. For exam- ple, if the input is T = [2, 3, 2, 2, 1, 3], your algorithm should output 1,2, 3, 5, 4, 6. On the other hand, if the input is T = [3,1, 1, 2, 1, 1], your algorithm outputs -1.

A website has a test bank of questions. Students use the website to sharpen their skills. Teachers also use it to generate quizzes. Suppose the website generated n questions for Teacher Alice. It also provided her a size-n array T such that Ti] denotes the topic covered by question i. Teacher Alice wants to rearrange the questions so no two consecutive questions cover the same topic. That is, we say the questions are scrambled. For example, if T = [2, 3, 2, 2, 1, 3] then Teacher Alice can rcorder the questions as 1,2, 3, 5, 4, 6 so the new topic-array is [2,3, 2, 1, 2, 3]. Q ----> Assume the questions covers topics 1, 2, ..., ki, where k is some constant. Given a size-n array T, design an O(n)-time algorithm that outputs a scrambled ordering of the questions if it's possible and returns –1 otherwise. Again, justify the correctness of your algorithm and explain why it runs in lincar time. For exam- ple, if the input is T = [2, 3, 2, 2, 1, 3], your algorithm should output 1,2, 3, 5, 4, 6. On the other hand, if the input is T = [3,1, 1, 2, 1, 1], your algorithm outputs -1.

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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