Given positions of n friends in the first row of a theater, find the minimal number of moves to sit all friends together. In each move, a friend moves to a seat to the left or a seat to the right. Input: A set of n distinct positive integers in the interval from 1 to N. This set represents positions of n friends that have bought individual (not necessarily adjacent) seats in the first row of a theater. Since all other seats in the first row turned out to be empty, the friends want to start moving to the neighboring seats (to the left or to the right) and continue until they all sit together in n consecutive chairs. Output: Find the minimal number of moves to sit all friends together. 000000000 3 4: 000000000 1+0+3=4

Given positions of n friends in the first row of a theater, find the minimal number of moves to sit all friends together. In each move, a friend moves to a seat to the left or a seat to the right. Input: A set of n distinct positive integers in the interval from 1 to N. This set represents positions of n friends that have bought individual (not necessarily adjacent) seats in the first row of a theater. Since all other seats in the first row turned out to be empty, the friends want to start moving to the neighboring seats (to the left or to the right) and continue until they all sit together in n consecutive chairs. Output: Find the minimal number of moves to sit all friends together. 000000000 3 4: 000000000 1+0+3=4

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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A: Hi please find the solution below and I hope it would be helpful for you.

Question

Create an efficient java code to solve the problem by using Greedy algorithm only.

Given positions of n friends in the first row of a theater, find the minimal
number of moves to sit all friends together. In each move, a friend moves to a
seat to the left or a seat to the right.
Input: A set of n distinct positive integers in the interval from 1 to N. This set
represents positions of n friends that have bought individual (not necessarily
adjacent) seats in the first row of a theater. Since all other seats in the first row
turned out to be empty, the friends want to start moving to the neighboring seats
(to the left or to the right) and continue until they all sit together in n
consecutive chairs.
Output: Find the minimal number of moves to sit all friends together.
000000000
3
4:27
41
000000000
1+0+3=4

Process or set of rules that allow for the solving of specific, well-defined computational problems through a specific series of commands. This topic is fundamental in computer science, especially with regard to artificial intelligence, databases, graphics, networking, operating systems, and security.

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