A popular word game involves finding words from a grid of randomly generated letters. Words must be at least three letters long and formed from adjoining letters. Letters may not be reused and it is valid to move across diagonals. As an example, consider the following 4 * 4 grid of letters: A B C D E F G H I J  K   L M N O P   The word “FAB” is valid (letters in the upper left corner) and the word “KNIFE” is valid. The word “BABE” is not valid

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
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A popular word game involves finding words from a grid of randomly generated
letters. Words must be at least three letters long and formed from adjoining letters.
Letters may not be reused and it is valid to move across diagonals. As an example,
consider the following 4 * 4 grid of letters:

A B C D
E F G H
I J  K   L
M N O P

 

The word “FAB” is valid (letters in the upper left corner) and the word “KNIFE”
is valid. The word “BABE” is not valid because the “B” may not be reused. The
word “MINE” is not valid because the “E” is not adjacent to the “N”.
 Write a program that uses a 4 * 4 two-dimensional array to represent the game
board. The program should randomly select letters for the board. You may wish
to select vowels with a higher probability than consonants. You may also wish to
always place a “U” next to a “Q” or to treat “QU” as a single letter. The program
should read the words from the text file words.txt (included on the website with
this book) and then use a recursive algorithm to determine if the word may be
formed from the letters on the game board. The program should output all valid
words from the file that are on the game board.

 

use c++

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