How do you use pointers with two dimensional arrays in C++?

So I have this program that deals with one dimensional arrays. I want to expand it to two with array[row][col] how can I do this?





#include %26lt;iostream%26gt;


using namespace std;





int* getArray(int row);


void printArray(int* array, int row);





int main()


{


int row;


cout %26lt;%26lt;"Enter row length: ";


cin%26gt;%26gt;row;


int* array = getArray(row);


cout %26lt;%26lt; "array in main" %26lt;%26lt; endl;


printArray(array, row);


/*int* array2 = getArray();


cout %26lt;%26lt; "array2 in main" %26lt;%26lt; endl;


printArray(array2);


cout %26lt;%26lt; "array in main" %26lt;%26lt; endl;


printArray(array);


delete[] array2;*/


delete[] array;


return 0;


}





int* getArray(int row){


int *array = new int[row];


for ( int i = 0; i %26lt; row; i++ ){


cout %26lt;%26lt; "Enter an integer: ";


cin %26gt;%26gt; array[i];


}


cout %26lt;%26lt; "array in getArray()" %26lt;%26lt; endl;


printArray(array, row);


return array;


}





void printArray(int* array, int row)


{


for ( int i = 0; i %26lt; row; i++ ){


cout %26lt;%26lt; *(array+i) %26lt;%26lt; " ";


}


cout %26lt;%26lt; endl;


cout %26lt;%26lt; endl;


}

How do you use pointers with two dimensional arrays in C++?
Hi. I would love to help you. But, answering the question will be as long as your question. I thought that instead of giving a long answer, i could redirect you to some place where you can find good references.





http://www.cplusplus.com/doc/tutorial/


www.cplusplus.com/doc/tutorial/pointer...


www.codersource.net/c++_pointers.html





If you are still unable to find any useful information, and if there is anything specific that you would like to know, just drop in a mail to me. I shall try to help you.





Thanks! :)
Reply:u r goin right way baby
Reply:Generally speaking to access an array you use a for loop. This is for a 1 dimentional array. You want a two dimentional array.





So the way to do this is a nested for loop


ie.


for ( int i = 0; i %26lt; row; i++ ){


for ( int j = 0; j %26lt; col, j++ ){


cout %26lt;%26lt; "Enter an integer: ";


cin %26gt;%26gt; array[i][j];


}


}





That is all there is to it. You already understand the array concept. Now go ahead and extend what you know.





Good luck.

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