/**
* Dodaje do kopca potencjalne nowe maksima, usuwając stare.
*/
uint64 repopulate(heap<coord> &h)
{
const coord current = h.pop();
/* Idź w górę. */
if (current.x + 1 == current.y) {
h.push(coord(current.x, current.y - 1));
}
/* Idź w lewo. */
if (current.x > 1) {
h.push(coord(current.x - 1, current.y));
}
return current.value();
}
bool operator >(coord other) const
{
return value() < other.value();
}
bool operator <(coord other) const
{
return value() > other.value();
}