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cpts121-9-2

# cpts121-9-2 - CptS 121 Fall 09 Lecture 9-2 HK Chapter 8...

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1 C ptS  121 L9-1 – 10/23-26/09 Pro f. C hris  Hundhaus e n CptS 121 Fall ‘09 Lecture 9-2 HK Chapter 8: Arrays Lecture Outline I. Multidimensional Arrays

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2 C ptS  121 L9-1 – 10/23-26/09 Pro f. C hris  Hundhaus e n Multidimensional Arrays Thus far, we've focused on single dimensional arrays We declare them as follows: int my_array[6]; And we visualize them as follows: Essentially, they are a single row of values Many applications, however, call for not just a single row, but a two-dimensional matrix of values Examples: A tic-tac-toe board, A table of financial data, a grid of train connections We can use two-dimensional arrays to represent such objects 10 12 0 89 0 91
3 C ptS  121 L9-1 – 10/23-26/09 Pro f. C hris  Hundhaus e n Declaring a Multidimensional Array The following code declares a 3 × 3 array that could be used to represent a tic-tac-toe board: char tic_tac_toe_board[3][3]; We'll represent the three possible values on a board as characters: 'B' = blank, 'X' = x player, and 'O' = o player.

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