Given an Rx C grid of letters "P", "F", and "", you have one person "P" and his friends "F". The will go visit all his friends and can person walk over the empty spaces to visit his friends. He visits a friend when he walks onto the friend's square. He can walk over his friends. Find the length of the shortest path for him to visit all his friends. ".P.", "F...F", "FF.FF" The answer is 9.

Given an Rx C grid of letters "P", "F", and "", you have one person "P" and his friends "F". The will go visit all his friends and can person walk over the empty spaces to visit his friends. He visits a friend when he walks onto the friend's square. He can walk over his friends. Find the length of the shortest path for him to visit all his friends. ".P.", "F...F", "FF.FF" The answer is 9.

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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Concept explainers

Polynomial Time

The problems for which the deterministic polynomial-time algorithm exists belong to the complexity class (p) and it is central in the field of computational complexity theory. According to Cobham’s thesis, polynomial time is a synonym for “feasible”, “fast”, and “efficient”.

Question

I need the answer as soon as possible

Given an Rx C grid of letters "P", "F", and ".",
you have one person "P" and his friends "F".
The person will go visit all his friends and can
walk over the empty spaces to visit his friends.
He visits a friend when he walks onto the
friend's square.
He can walk over his friends.
Find the length of the shortest path for him to
visit all his friends.
".P.",
"F...F",
"FF.FF"
The answer is 9.

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