public void clear()
{
left = null;
right = null;
parent = null;
val.Clear();
}
public PQNode decrase(PQNode node, int f, int v)
{
#if DEBUG_LOG
mDecraseCount++;
#endif
PQNode p = node.parent;
int count = node.remove(v);
if (count == 0)
{
remove(node);
}
return(push(f, v));
}
private void releaseAll(PQNode n)
{
mRoot = null;
if (n == null)
{
return;
}
releaseAll(n.left);
releaseAll(n.right);
#if DEBUG_LOG
mTraverseCount++;
#endif
n.clear();
n.right = mPool;
mPool = n;
}
private PQNode push_sub(PQNode node, int f, int v)
{
for (;;)
{
if (node.f == f)
{
node.push(v);
return(node);
}
if (node.f < f)
{
if (node.right == null)
{
PQNode i = getNood();
i.f = f;
i.push(v);
i.parent = node;
node.right = i;
return(i);
}
else
{
node = node.right;
}
}
else
{
if (node.left == null)
{
PQNode i = getNood();
i.f = f;
i.push(v);
i.parent = node;
node.left = i;
return(i);
}
else
{
node = node.left;
}
}
#if DEBUG_LOG
mTraverseCount++;
#endif
}
}
public bool pop(out int v)
{
#if DEBUG_LOG
mPopCount++;
#endif
PQNode n = mLeftMost;
if (n == null)
{
v = 0;
return(false);
}
int count = n.pop(out v);
if (count == 0)
{
PQNode p = n.parent;
PQNode right = n.right;
if (p == null)
{
mRoot = right;
}
else
{
p.left = right;
}
if (right == null)
{
mLeftMost = p;
}
else
{
right.parent = p;
while (right.left != null)
{
right = right.left;
#if DEBUG_LOG
mTraverseCount++;
#endif
}
mLeftMost = right;
}
releaseOne(n);
}
return(true);
}
public PQNode push(int f, int v)
{
#if DEBUG_LOG
mInsertCount++;
#endif
PQNode node = mLeftMost;
if (node == null) // tree is empty
{
node = getNood();
node.f = f;
node.push(v);
mLeftMost = node;
mRoot = node;
return(node);
}
{
int df = f - node.f;
if (df == 0)
{
node.push(v);
return(node);
}
if (df < 0)
{
PQNode new_node = getNood();
new_node.f = f;
new_node.push(v);
new_node.parent = node;
node.left = new_node;
mLeftMost = new_node;
return(new_node);
}
PQNode p = node.parent;
if (p != null && f < p.f && node.right != null)
{
return(push_sub(node.right, f, v));
}
}
return(push_sub(mRoot, f, v));
}
private PQNode getNood()
{
PQNode n = mPool;
if (n != null)
{
mPool = n.right;
n.right = null;
return(n);
}
#if DEBUG_LOG
mQueueCount++;
if (mQueueCount > mQueueCountMax)
{
mQueueCountMax = mQueueCount;
}
#endif
return(new PQNode());
}
public void clear(bool log)
{
releaseAll(mRoot);
mRoot = null;
mLeftMost = null;
#if DEBUG_LOG
if (log)
{
Log.Warning("Q L:" + mQueueCount);
Log.Warning("Q M:" + mQueueCountMax);
Log.Warning("Q I:" + mInsertCount);
Log.Warning("Q P:" + mPopCount);
Log.Warning("Q D:" + mDecraseCount);
Log.Warning("Q R:" + mRemoveCount);
Log.Warning("Q T:" + mTraverseCount);
}
mInsertCount = 0;
mPopCount = 0;
mDecraseCount = 0;
mRemoveCount = 0;
mTraverseCount = 0;
#endif
}
private void releaseOne(PQNode n)
{
n.clear();
n.right = mPool;
mPool = n;
}
private void remove(PQNode node)
{
#if DEBUG_LOG
mRemoveCount++;
#endif
PQNode new_node;
int mask = (node.left != null) ? 1 : 0;
if (node.right != null)
{
mask |= 2;
}
switch (mask)
{
case 0:
new_node = null;
break;
case 1:
new_node = node.left;
break;
case 2:
new_node = node.right;
break;
default:
{
PQNode max_node = node.left;
while (max_node.right != null)
{
max_node = max_node.right;
#if DEBUG_LOG
mTraverseCount++;
#endif
}
new_node = max_node;
max_node.right = node.right;
node.right.parent = max_node;
PQNode pp = max_node.parent;
if (pp != node)
{
pp.right = max_node.left;
if (max_node.left != null)
{
max_node.left.parent = pp;
}
max_node.left = node.left;
node.left.parent = max_node;
}
}
break;
}
PQNode p = node.parent;
if (p == null)
{
mRoot = new_node;
}
else
{
if (p.left == node)
{
p.left = new_node;
}
else
{
p.right = new_node;
}
}
if (new_node != null)
{
new_node.parent = p;
}
if (node == mLeftMost)
{
if (new_node == null)
{
mLeftMost = mLeftMost.parent;
}
else
{
PQNode r = new_node;
while (r.left != null)
{
r = r.left;
#if DEBUG_LOG
mTraverseCount++;
#endif
}
mLeftMost = r;
}
}
releaseOne(node);
}