void CObAvlTree::SingleLeftRotation( CNode* pNode )
{
ASSERT(AfxIsValidAddress(pNode, sizeof(CNode)));
CNode* pRChild = pNode->pRChild;
ASSERT(AfxIsValidAddress(pRChild, sizeof(CNode)));
CNode** ppNode = NULL;
if( pNode==m_pNodeRoot )ppNode = &m_pNodeRoot;
else if( pNode->pParent->pLChild==pNode )ppNode=&pNode->pParent->pLChild;
else ppNode=&pNode->pParent->pRChild;
//the left subtree of the right child becomes of the right subtree of the rotation node
pNode->pRChild = pRChild->pLChild;
if( pNode->pRChild )pNode->pRChild->pParent = pNode;
//the right child becomes the root node of the subtree
*ppNode = pRChild;
pRChild->pParent = pNode->pParent;
//the rotation node becomes the left child
pRChild->pLChild = pNode;
pNode->pParent = pRChild;
CalcHeight(pNode);
CalcHeight(pRChild);
}
int AvlTree<KEY, VALUE>::CalcBalance(BstNode<KEY, VALUE>* tree)
{
if (!tree)
return 0;
int ht = CalcHeight(tree->left);
return (ht - CalcHeight(tree->right));
}
BstNode<KEY, VALUE>* AvlTree<KEY, VALUE>::RmHasBoth(BstNode<KEY, VALUE>* tree)
{
int htl, htlr, htr, htrl, maxht;
htl = ((htlr = CalcHeight(tree->left->right)) ? 0:CalcHeight(tree->left));
htr = ((htrl = CalcHeight(tree->right->left)) ? 0:CalcHeight(tree->right));
maxht = ObjRelation<int>::Max(ObjRelation<int>::Max(htlr, htrl),
ObjRelation<int>::Max(htl, htr));
return
(
(maxht == htl) ? RmLeft(tree):
(maxht == htr) ? RmRight(tree):
(maxht == htlr) ? RmLeftRight(tree):
RmRightLeft(tree)
);
}
void CFileSaveAsGraphicDlg::SelectDimensionSet()
{
CPoint p = GetSelectedDimensionSet ();
m_dWidth = (double)p.x;
m_dHeight = (double)p.y;
LimitDimensions ();
CalcHeight ();
CalcWidth ();
}
void CFileSaveAsGraphicDlg::OnKillFocusWidth()
{
if ((UpdateData (TRUE) != FALSE) && (m_Aspect == TRUE))
{
if (m_Width != (UINT)m_dWidth)
{
m_dWidth = (double)m_Width;
CalcHeight ();
UpdateData (FALSE);
}
}
}
void CSystemControlModel::Resize()
{
int width = 0;
for (auto child : GetChildren()) {
width = MAX(child->GetRect().GetWidth(), width);
}
width += 15;
int height = CalcHeight();
rect.Right() = rect.Left() + width;
rect.Bottom() = rect.Top() + height;
}
int main()
{
int i,j,k,len,maxlen;
int l,r,mid;
freopen("poj3294.txt","r",stdin);
freopen("poj3294ans.txt","w",stdout);
while (scanf("%d",&n) && n)
{
scanf("%s",s[0]);
sum[0]=strlen(s[0]);
maxlen=sum[0];
if (n==1)
{
printf("%s\n\n",s[0]);
continue;
}
for (i=1;i<n;i++)
{
scanf("%s",s[i]);
sum[i]=sum[i-1]+strlen(s[i])+1;
}
k=0;
for (i=0;i<n;i++)
{
len=strlen(s[i]);
for (j=0;j<len;j++) num[k++]=s[i][j]-'a'+100;
num[k++]=i;
}
m=k-1;
DA(num,sa,rank,k,130);
CalcHeight(num,sa,height,k-1);
l=0;
r=m;
while (l<r)
{
mid=(l+r+1)/2;
if (Check(mid,0)) l=mid;
else r=mid-1;
}
if (l==0) printf("?\n\n");
else
{
Check(l,1);
printf("\n");
}
}
return 0;
}
int main()
{
int i;
freopen("poj3261.txt","r",stdin);
freopen("poj3261ans.txt","w",stdout);
while (scanf("%d%d",&n,&k)!=EOF)
{
for (i=0;i<n;i++) scanf("%d",&num[i]);
num[n]=0;
DA(num,sa,rank,n+1,10000);
CalcHeight(num,sa,height,n);
BinSearch(1,n);
printf("%d\n",ans);
}
}
//! Expose callback.
void GraphView::BeginViewExpose(bool predraw)
{
glViewport( 0, 0, mW, mH );
glDisable(GL_DEPTH_TEST);
glClearColor( mClearColor[0], mClearColor[1], mClearColor[2], mClearColor[3]);
glClear(GL_COLOR_BUFFER_BIT);
glLineWidth(1.0);
int lWidth = CalcWidth();
int lHeight = CalcHeight();
Push2dViewport(lWidth, lHeight);
// call graph manager proc
if (predraw) PreDraw();
}
void CStatBox::Update(int line,const char* string,double data)
{
if(line < 0 || line >= lines->size()) return;
char buf[STATBOX_MAX_LINE_LENGTH];
sprintf(buf,"%s%.2f",string,data);
CSurface* text = factory->RenderText(buf);
if(text != NULL)
{
if(lines->at(line) != NULL)
{
//free old surface
delete lines->at(line);
lines->at(line) = NULL;
}
lines->at(line) = text;
}
w = CalcWidth();
h = CalcHeight();
}
TwistDeformer::TwistDeformer(
TimeValue t, ModContext &mc,
float angle, int naxis, float bias,
float from, float to, int doRegion,
Matrix3& modmat, Matrix3& modinv)
{
this->doRegion = doRegion;
this->from = from;
this->to = to;
if (bias!=0.0f) {
this->bias = 1.0f-(bias+100.0f)/200.0f;
if (this->bias < 0.00001f) this->bias = 0.00001f;
if (this->bias > 0.99999f) this->bias = 0.99999f;
this->bias = float(log(this->bias)/log(0.5));
doBias = TRUE;
} else {
this->bias = 1.0f;
doBias = FALSE;
}
Matrix3 mat;
Interval valid;
time = t;
tm = modmat;
invtm = modinv;
mat.IdentityMatrix();
switch ( naxis ) {
case 0: mat.RotateY( -HALFPI ); break; //X
case 1: mat.RotateX( HALFPI ); break; //Y
case 2: break; //Z
}
SetAxis( mat );
assert (mc.box);
bbox = *mc.box;
CalcHeight(naxis,DegToRad(angle));
}
v2i Font::CalcDimen( const char* a_text ) const
{
return v2i(CalcWidth(a_text), CalcHeight() );
}
void CObAvlTree::RemoveAt(POSITION position)
{
//avl tree removing.
//For a node having children, the concept model is to find the inorder successor of the removing node,
//copy the data of IOS to the removing node, then remove the IOS rather than the removing node.
//the rotation balance begins from the parent of the IOS and traces back to its ancestors.
//however, the implementation removes the true removing node so that the iterator won't point to a garbage node.
ASSERT_VALID(this);
CNode* pOldNode = (CNode*) position;
ASSERT(AfxIsValidAddress(pOldNode, sizeof(CNode)));
//block 1. regular binary tree remove, except makeing pRotateNode point to the start tracing node for rotation,
//and the bubble node's height is replaced the height of the removed node
//case 1. single child, just bubble the child the the parent place
//case 2. double children, bubble the in order successor to the parent place.
CNode* pBubbleNode = NULL;
CNode* pRotateNode = NULL;
if( pOldNode->pLChild==NULL ){
pBubbleNode = pOldNode->pRChild;
pRotateNode = pOldNode->pParent;
}else if( pOldNode->pRChild==NULL ){
pBubbleNode = pOldNode->pLChild;
pRotateNode = pOldNode->pParent;
}else{
//case 2
pBubbleNode = pOldNode->pRChild;
while( pBubbleNode->pLChild )pBubbleNode = pBubbleNode->pLChild;
//now pBubbleNode is the IOS, but if bubble node is the right child of the removing node,
//do not change the right child of the bubble node
if( pBubbleNode->pParent!=pOldNode ){ //the bubble node is more than one height below the removing node
pBubbleNode->pParent->pLChild = pBubbleNode->pRChild;
if( pBubbleNode->pRChild )pBubbleNode->pRChild->pParent=pBubbleNode->pParent;
//save the rotation place.
pRotateNode = pBubbleNode->pParent;
//link the right child of the removing node to bubble node
pBubbleNode->pRChild = pOldNode->pRChild;
pOldNode->pRChild->pParent = pBubbleNode;
}else{
pRotateNode = pBubbleNode;
}
//link the left child of the removing node to the bubble node
pBubbleNode->pLChild = pOldNode->pLChild;
pOldNode->pLChild->pParent = pBubbleNode;
//replace the height of the bubble node by the removed node
ASSERT(AfxIsValidAddress(pBubbleNode, sizeof(CNode)));
pBubbleNode->nHeight = pOldNode->nHeight;
}
CNode** ppNode=NULL;
if( pOldNode==m_pNodeRoot )ppNode = &m_pNodeRoot;
else if( pOldNode->pParent->pLChild==pOldNode )ppNode=&pOldNode->pParent->pLChild;
else ppNode=&pOldNode->pParent->pRChild;
*ppNode = pBubbleNode;
if( pBubbleNode )pBubbleNode->pParent = pOldNode->pParent;
FreeNode(pOldNode);
//block 2, avl tree balance rotation
//the loop goes upward to find the rotation node until the root node is reached or the current subtree's height is not changed.
//if a rotation is done, LOOP CONTINUE beause the height of the subtree at the rotation node may decrease,
//so the ancestors may need rotation.
//if the rotation is not done for the node, then adjust the height of the current node.
while( pRotateNode ){
int nOldHeight = NODEHEIGHT(pRotateNode);
if( NODEHEIGHT(pRotateNode->pLChild)-NODEHEIGHT(pRotateNode->pRChild)==2 ){
//left subtree is too high, rotate to right
CNode* pChildNode = pRotateNode->pLChild;
ASSERT( pChildNode!=NULL );
if( NODEHEIGHT(pChildNode->pLChild)>=NODEHEIGHT(pChildNode->pRChild) ){
SingleRightRotation( pRotateNode );
}else{
ASSERT( NODEHEIGHT(pChildNode->pLChild)<NODEHEIGHT(pChildNode->pRChild) );
DoubleRightRotation( pRotateNode );
}
//after the rotation, the pRotateNode becomes a child of the node at the rotation point
pRotateNode = pRotateNode->pParent;
}else if( NODEHEIGHT(pRotateNode->pRChild)-NODEHEIGHT(pRotateNode->pLChild)==2 ){
//right subtree is too high, rotate to left
CNode* pChildNode = pRotateNode->pRChild;
ASSERT( pChildNode!=NULL );
if( NODEHEIGHT(pChildNode->pLChild)<=NODEHEIGHT(pChildNode->pRChild) ){
SingleLeftRotation( pRotateNode );
}else{
ASSERT( NODEHEIGHT(pChildNode->pLChild)>NODEHEIGHT(pChildNode->pRChild) );
DoubleLeftRotation( pRotateNode );
}
//after the rotation, the pRotateNode becomes a child of the node at the rotation point
pRotateNode = pRotateNode->pParent;
}else{
//no rotation happend here, adjust the height
CalcHeight( pRotateNode );
}
if( nOldHeight==NODEHEIGHT(pRotateNode) ){
//since the subtree's height is not changed, STOP LOOP since the ancestors' height is maintained.
break;
}
pRotateNode = pRotateNode->pParent;
}
}
POSITION CObAvlTree::Insert(CObject* newElement)
{
ASSERT_VALID(this);
//block 1, regular binary insertion
CNode* pParent = m_pNodeRoot;
CNode** ppNode = &m_pNodeRoot;
while( *ppNode ){
pParent = *ppNode;
int nRet = CompareNode( (LPVOID)&newElement, (LPVOID)&pParent->data );
if( nRet<=0 ){
ppNode = &pParent->pLChild;
}else if( nRet>0 ){
ppNode = &pParent->pRChild;
}
}
CNode* pNewNode = NewNode(pParent, NULL, NULL);
pNewNode->data = newElement;
*ppNode = pNewNode;
//block 2, avl tree balance rotation
//the loop goes upward to find the rotation node,
//whenever a rotation is done, STOP LOOP beause the ancestors' height are the same after rotation.
//if the rotation is not yet found, then adjust the height of the current node.
CNode* pRotateNode = pParent;
while( pRotateNode ){
if( NODEHEIGHT(pRotateNode->pLChild)-NODEHEIGHT(pRotateNode->pRChild)==2 ){
//left subtree is too high, rotate to right
CNode* pChildNode = pRotateNode->pLChild;
ASSERT( pChildNode!=NULL );
if( NODEHEIGHT(pChildNode->pLChild)>NODEHEIGHT(pChildNode->pRChild) ){
SingleRightRotation( pRotateNode );
}else{
ASSERT( NODEHEIGHT(pChildNode->pLChild)<NODEHEIGHT(pChildNode->pRChild) );
DoubleRightRotation( pRotateNode );
}
break;
}else if( NODEHEIGHT(pRotateNode->pRChild)-NODEHEIGHT(pRotateNode->pLChild)==2 ){
//right subtree is too high, rotate to left
CNode* pChildNode = pRotateNode->pRChild;
ASSERT( pChildNode!=NULL );
if( NODEHEIGHT(pChildNode->pLChild)<NODEHEIGHT(pChildNode->pRChild) ){
SingleLeftRotation( pRotateNode );
}else{
ASSERT( NODEHEIGHT(pChildNode->pLChild)>NODEHEIGHT(pChildNode->pRChild) );
DoubleLeftRotation( pRotateNode );
}
break;
}
//no rotation happend here, adjust the height
CalcHeight( pRotateNode );
pRotateNode = pRotateNode->pParent;
}
/* CNode* pRotateNode = pParent;
CNode* pChildNode = pNewNode;
CNode* pGrandChdNode = pNewNode;
while( pRotateNode ){
if( pRotateNode->pLChild==pChildNode ){
//inserted in the left subtree.
if( NODEHEIGHT(pRotateNode->pLChild)-NODEHEIGHT(pRotateNode->pRChild)==2 ){
ASSERT( pChildNode!=pGrandChdNode );
if( pChildNode->pLChild==pGrandChdNode ){
SingleRightRotation( pRotateNode );
}else{
DoubleRightRotation( pRotateNode );
}
break;
}
}else{
//inserted in the right subtree
if( NODEHEIGHT(pRotateNode->pRChild)-NODEHEIGHT(pRotateNode->pLChild)==2 ){
ASSERT( pChildNode!=pGrandChdNode );
if( pChildNode->pRChild==pGrandChdNode ){
SingleRightRotation( pRotNode );
}else{
DoubleRightRotation( pRotNode );
}
break;
}
}
//no rotation happend here, adjust the height
CalcuHeight( pRotateNode );
//change the family
pGrandChdNode = pChildNode;
pChildNode = pRotateNode;
pRotateNode = pRotateNode->pParent;
}*/
/* CNode* pRotateNode = pParent;
CNode* pNode = pNewNode;
while( pRotateNode ){
CalcuHeight( pRotateNode );
if( pRotateNode->pLChild==pNode ){
//inserted in the left subtree.
if( NODEHEIGHT(pRotateNode->pLChild)-NODEHEIGHT(pRotateNode->pRChild)==2 ){
int nRet = CompareNode( (LPVOID)&newElement, (LPVOID)&pNode->data );
if( nRet<=0 ){
SingleRightRotation( pRotNode );
}else{
DoubleRightRotation( pRotNode );
}
break;
}
}else{
//inserted in the right subtree
if( NODEHEIGHT(pRotateNode->pRChild)-NODEHEIGHT(pRotateNode->pLChild)==2 ){
int nRet = CompareNode( (LPVOID)&newElement, (LPVOID)&pNode->data );
if( nRet<=0 ){
SingleRightRotation( pRotNode );
}else{
DoubleRightRotation( pRotNode );
}
break;
}
}
//no rotation happend here, adjust the height
CalcuHeight( pRotateNode );
pNode = pRotateNode;
pRotateNode = pRotateNode->pParent;
}*/
return (POSITION) pNewNode;
}
int CSystemControlModel::GetMiddle( ) const
{
return CalcHeight() / 2;
}