C / C++ / MFC

Block::Block()
{
while(i=0; i < 20; i++)
{
Array_of_pointers_to_Tiles[i] = new Tile;
}
}

Block::~Block()
{
while(i=0; i < 20; i++)
{
delete Array_of_pointers_to_Tiles[i];
Array_of_pointers_to_Tiles[i] = NULL;
}
}

int* a = NULL;   // Pointer to int, initialize to nothing.
int n;           // Size needed for array
cin >> n;        // Read in the size
a = new int[n];  // Allocate n ints and save ptr in a.
for (int i=0; i<n; i++) {
    a[i] = 0;    // Initialize all elements to zero.
}
. . .  // Use a as a normal array
delete [] a;  // When done, free memory pointed to by a.
a = NULL;     // Clear a to prevent using invalid memory reference.

delete [] a;  // Free memory allocated for the a array.
a = NULL;     // Be sure the deallocated memory isn't used.