Consider a pathfinding agent on the grid below. The agent is in the grid cell A, wanting to go to cell B. It can go up, down, left and right. It cannot step into a shaded grid cell. What is the smallest number of steps the agents needs to take to travel from A to B? How many distinct paths are there with that number of steps? Support your reasoning. Hint: consider the permutations with sets of indistinguishable objects. y=8 y=7 リ=5 y = 4 =2 A B y=1 z=1 z=2 z =3 2=4 z=5 z=6 z= 7 z=8 z=9 リー2

Consider a pathfinding agent on the grid below. The agent is in the grid cell A, wanting to go to cell B. It can go up, down, left and right. It cannot step into a shaded grid cell. What is the smallest number of steps the agents needs to take to travel from A to B? How many distinct paths are there with that number of steps? Support your reasoning. Hint: consider the permutations with sets of indistinguishable objects. y=8 y=7 リ=5 y = 4 =2 A B y=1 z=1 z=2 z =3 2=4 z=5 z=6 z= 7 z=8 z=9 リー2

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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