void PointUpdate(int k,int u)
{
int mid;
node[u].sum++;
if (node[u].l==node[u].r) return;
mid=(node[u].l+node[u].r)/2;
if (k<=mid) PointUpdate(k,u*2);
else PointUpdate(k,u*2+1);
}
void tui::LayoutCanvas::OnMouseWheel(wxMouseEvent& event)
{
int delta = event.GetWheelDelta();
int fulldist = event.GetWheelRotation();
double scroll = fulldist / delta;
wxCommandEvent eventZOOM(wxEVT_CANVAS_ZOOM);
if (event.ShiftDown())
{
if ( 1 <= scroll) eventZOOM.SetInt(ZOOM_UP);
else if (-1 >= scroll) eventZOOM.SetInt(ZOOM_DOWN);
}
else if (event.ControlDown())
{
if ( 1 <= scroll) eventZOOM.SetInt(ZOOM_RIGHT);
else if (-1 >= scroll) eventZOOM.SetInt(ZOOM_LEFT);
}
else
{
const double scalefactor = event.AltDown() ? 0.8 : 0.5;
CTM tmpmtrx;
TP markerpos(event.GetX(), event.GetY());
if ( 1 <= scroll)
tmpmtrx.Scale(scalefactor,scalefactor);
else if (-1 >= scroll)
tmpmtrx.Scale(1/scalefactor,1/scalefactor);
tmpmtrx.Translate(markerpos * _LayCTM - markerpos * _LayCTM * tmpmtrx);
DBbox* box = DEBUG_NEW DBbox( lp_BL, lp_TR );
(*box) = (*box) * tmpmtrx;
eventZOOM.SetInt(tui::ZOOM_WINDOW);
eventZOOM.SetClientData(static_cast<void*>(box));
}
OnZoom(eventZOOM);
PointUpdate(event.GetX(), event.GetY());
}
int main()
{
int n,i,sum,ans;
freopen("hdoj1394.txt","r",stdin);
freopen("hdoj1394ans.txt","w",stdout);
while (scanf("%d",&n)!=EOF)
{
BuildTree(0,n-1,1);
sum=0;
for (i=0;i<n;i++)
{
scanf("%d",&val[i]);
sum+=SegmentQuery(val[i],n-1,1); //查询已经插入的数里有多少个在val[i]
PointUpdate(val[i],1); //到n-1之间，即为逆序数，并插入这个数
}
ans=sum;
for (i=0;i<n;i++)
{
sum=sum-val[i]+(n-val[i]-1);
if (sum<ans) ans=sum;
}
printf("%d\n",ans);
}
return 0;
}
void PointUpdate(int x,int u)
{
if (node[u].maxlen<x) //进入的区间无法满足，返回-1
{
ans=-1;
return;
}
if (node[u].l==node[u].r) //到叶节点，直接更新
{
node[u].maxlen-=x;
ans=node[u].l;
return;
}
//先更新左右两个子树
if (node[u*2].maxlen>=x) PointUpdate(x,u*2);
else if (node[u*2+1].maxlen>=x) PointUpdate(x,u*2+1);
//然后更新当前的节点情况
node[u].maxlen=Max(node[u*2].maxlen,node[u*2+1].maxlen);
}
void tui::LayoutCanvas::OnChar(wxKeyEvent& event)
{
wxCommandEvent eventZOOM(wxEVT_CANVAS_ZOOM);
switch(event.GetKeyCode())
{
case WXK_LEFT : eventZOOM.SetInt(ZOOM_LEFT ); break;
case WXK_RIGHT: eventZOOM.SetInt(ZOOM_RIGHT); break;
case WXK_UP : eventZOOM.SetInt(ZOOM_UP ); break;
case WXK_DOWN : eventZOOM.SetInt(ZOOM_DOWN ); break;
case '+' : eventZOOM.SetInt(ZOOM_IN ); break;
case '-' : eventZOOM.SetInt(ZOOM_OUT ); break;
default : event.Skip(); return;
}
OnZoom(eventZOOM);
PointUpdate(event.GetX(), event.GetY());
}
int main()
{
int i,k;
freopen("hdoj2795.txt","r",stdin);
freopen("hdoh2795ans.txt","w",stdout);
while (scanf("%d%d%d",&h,&w,&n)!=EOF)
{
BuildTree(1,Min(h,n),1);
while (n--)
{
scanf("%d",&k);
PointUpdate(k,1);
printf("%d\n",ans);
}
}
return 0;
}
