Sudoku game in c++ | Computer Science homework help

The mission of this assignment is to implement a “Sudoku game board” and interact with user using a small set of commands that enable to initialize the game board. You program must permit user to see the game board, swap rows, columns, or areas of the board for randomization, verify the correctness of the board content, and erase values of the generated game board.

User can enter the following showswapverifyerase, and quit command:

   show will display the board content

   swap will exchange some randomly generated row/column position with another row/column position – note that a simple swap only occurs within a permissible range (see example below)

   verify will check all the consistencies enforced for the Sudoku game and print out which places are wrong

   erase will pick up a random cell of the Sudoku board and place that cell as ‘-‘ mark visible to user

   quit will stop execution

   other input must show an error message and ask to reenter a correct command

Implementation requires you to utilize a structure holding “vector<vector<short>>” to represent the 9 x 9 game board. The main program is a mere loop to dispatch the execution of each read command. This submission will be somewhat equivalent to the midterm exam of this course work. There will be no extension of due as in the previous assignments.

The next example tells what are required to realize:

Welcome Sudoku Initializer!

>show

   A B C D E F G H I 

P  2 3 4 8 9 1 5 6 7

Q  5 6 7 2 3 4 8 9 1

R  8 9 1 5 6 7 2 3 4 

S  3 4 5 9 1 2 6 7 8 

T  6 7 8 3 4 5 9 1 2 

U  9 1 2 6 7 8 3 4 5 

V  1 2 3 7 8 9 4 5 6 

W  4 5 6 1 2 3 7 8 9 

X  7 8 9 4 5 6 1 2 3 

> swap

Trying to swap rows Q and S… 

– Rows P and S were swapped… 

– Rows Q and T were swapped… 

– Rows R and U were swapped…

>show   

   A B C D E F G H I 

P  3 4 5 9 1 2 6 7 8 

Q  6 7 8 3 4 5 9 1 2 

R  9 1 2 6 7 8 3 4 5 

S  2 3 4 8 9 1 5 6 7 

T  5 6 7 2 3 4 8 9 1 

U  8 9 1 5 6 7 2 3 4 

V  1 2 3 7 8 9 4 5 6 

W  4 5 6 1 2 3 7 8 9 

X  7 8 9 4 5 6 1 2 3 

> swap

Trying to swap columns H and G… 

– Columns H and G were swapped…

>show

   A B C D E F G H I 

P  3 4 5 9 1 2 7 6 8 

Q  6 7 8 3 4 5 1 9 2 

R  9 1 2 6 7 8 4 3 5 

S  2 3 4 8 9 1 6 5 7 

T  5 6 7 2 3 4 9 8 1 

U  8 9 1 5 6 7 3 2 4 

V  1 2 3 7 8 9 5 4 6 

W  4 5 6 1 2 3 8 7 9 

X  7 8 9 4 5 6 2 1 3 

> verify

– All columns, rows, and components are OK…

> erase

Erasing row P column F

> erase

Erasing row X column A

>show

   A B C D E F G H I 

P  3 4 5 9 1 – 7 6 8 

Q  6 7 8 3 4 5 1 9 2 

R  9 1 2 6 7 8 4 3 5 

S  2 3 4 8 9 1 6 5 7 

T  5 6 7 2 3 4 9 8 1 

U  8 9 1 5 6 7 3 2 4 

V  1 2 3 7 8 9 5 4 6 

W  4 5 6 1 2 3 8 7 9 

X  – 8 9 4 5 6 2 1 3 

> verify 

– Found inconsistency in row P… 

– Found inconsistency in row X… 

– Found inconsistency in column A… 

– Found inconsistency in column F… 

– Found insonsistency in component starting at row P and column D… 

– Found insonsistency in component starting at row V and column A…

> quit

 

Bye…

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