int maxInMatrix(int (*a)[3] , int row , int col);
int main(int argc, char *argv[])
{
	int a[][3]={{1,2,3},{4,5,6}};
	cout<<maxInMatrix(a , sizeof(a)/sizeof(a[0]) , sizeof(a[0])/sizeof(a[0][0]))<<endl;
	return 0;
}
int maxInMatrix(int (*a)[3] , int row , int col)
{
	int m = a[0][0];
	for(int i=0 ; i<row ; i++)
		for(int j=0 ; j<col ; j++){
			if(a[i][j] > m)
				m=a[i][j];
		}
	return m;
}