Array Out of bound Conditions

[arshad115]

i m making a program which initializes a 2d Dynamic array by first asking for the number of rows and columns,and then filling the array with random characters.
Then i have to check for a three lettered array in the 2D array,(Horizontally,Vertically,Diagonally).
i m having problem with the conditions for checking the elements.
i have made conditions for checking the elements,which are:

for(int q=0;q<r;q++)
	{
		for(int p=0;p<c;p++)
		{
                   if(a[q][p]==b[0]) //vertical
						{
							if (a[q+1][p]==b[1]) 
							{	
								if (a[q+2][p]==b[2])
								cout << endl << "Found at ("<< q << "," << p << ") (" << q+1 << "," << p << ") (" << q+2 <<"," << p << ")"<< endl;
							}
						}

if(a[q][p]==b[0]) //row
					{
						if (a[q][p+1]==b[1]) 
						{	
							if (a[q][p+1]==b[2])
							cout << endl << "Found at ("<< q << "," << p << ") (" << q << "," << p+1 << ") (" << q <<"," << p+2 << ")"<< endl;
						}
					}

if(a[q][p]==b[0]) //diagonal
						{
							if (a[q+1][p+1]==b[1]) 
							{	
								if (a[q+2][p+2]==b[2])
								cout << endl << "Found at ("<< q << "," << p+1 << ") (" << q << "," << p+1 << ") (" << q +2<<"," << p+2 << ")"<< endl;
							}
						}
}
}

r==number of rows,c==number of cloumns;
b[3] is the array to be compared with the elements of the array.

i cannot think of the logic,when the program checks certain element and when it does not!

[vicky_dev]

const int WORD_LEN = 3;

for(int q=0;q<r;q++) 
{       
    for(int p=0;p<c;p++)     
    {

[vicky_dev]

You could go along these lines...

const int WORD_LEN = 3;

for(int q=0;q<r;q++)	
{		
	for(int p=0;p<c;p++)		
	{                   
		if( q < r-WORD_LEN) //vertical		
		{
			// Check only if a word can be matched, this will avoid the array out-of-bound problem also
		    if( a[q][p]==b[0] && a[q+1][p]==b[1] && a[q+2][p]==b[2] )
			{
             // Matched...

And similar logic for horizontal and diagonal...

[arshad115]

it does not help!
what i want to know is that how should i check the conditions,how would i check conditions horizontally,diagonally and vertically?

what you have done is that u took the if statements from inside and made it a single one,its equivalent to mine.

and what should be the last value that i should check in loop????