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Recursion in c++

Consider an NxN grid in which some squares are occupied. Two squares belong to the same group if they share a common edge (not just a corner). In the figure there is one group of four occupied squares, three groups of two occupied squares, and two individual occupied squares.











you are to develop a C++ class called Recursion that contains the following:

-a 2D int array with 10 rows and 10 columns.

-a constructor or function that reads a file into the array. Each line of the file is a row of the array. The character . should be converted to 0, and any other character converted to 1

A sample file is attached

-a function print() that causes the printout of all groups contained in the 2D array. It should make a copy of the member array, and make use of a recursive method printGroupWith.

-a recursive method printGroupWith. (Think about the right parameter list.) This function should cross-off the copy of the array as it goes.

-a main function that takes a filename from the command line, creates a suitable Recursion object and calls print on it.

For example, for the sample grid above, the output of your program should be something like (not including comments): Note that your order might be different

Group 1: (0,9), (1,9) // the two occupied squares in upper right corner

Group 2: (1,3), (1,4) // the two occupied squares in row 1

Group 3: (3,4)

Group 4: (3,7), (4,7), (5,7), (5,8)

Group 5: (4,3)

Group 6: (6,4), (6,5)

You may include additional private helper functions, if you wish.

Kĩ năng: Lập trình C++

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