Write a C++ program to find the minimum number of moves required to reach the exit cell.
Write a C++ program to find the minimum number of moves required to reach the exit cell.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
There is a board of NxM size. Each cell of the board is either
(a) ‘x’ : the cell is blocked
(b) ‘o’ : the cell is free
(c) ‘s’ : starting cell
(d) ‘e’ : exit cell
Starting and ending cells are also considered free.
There is a knight (a chess piece) on the board occupying the start cell.Write a C++ program to find the minimum number of moves required to reach the exit cell.
Sample Input
4 4
oxox
sxoe
ooxo
oooo
Sample Output
3
Explanation:
The first line contains N, M.
Here N = 4, M = 4
The optimal movements of the knight are shown in the following,
oxox oxox oxox oxox
sxoe → sxoe → sxoe → sxoe
ooxo ooxo ooxo ooxo
oooo oooo oooo oooo
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