C++ (Cpp) NODE::inter Examples

Example #1

File: sequence - 副本.cpp Project: ailyanlu1/team_homework

int main()
{
	freopen("sequence.in","r",stdin);
	freopen("sequence.out","w",stdout);
	scanf("%d%d%d%d",&N,&Q,&A,&B);
	root=new NODE(1,Q);
	pair<NODE*,long double> MIN;
	NODE *p;
	for (int i=1;i<=N;i++)
	{
		if (i>1)
			if (A<B)
			{
				MIN=findMin(root);
				p=MIN.first;
				long double &mid=MID[i];
				mid=MIN.second;
				Splay(p);
				NODE *q0, *q1(p->l), *q2(p->r);
				if (mid-p->xl>eps)
					q1=new NODE(p->xl,mid,p->a,p->b,p->c,p->l,0);
				if (p->xr-mid>eps)
					q2=new NODE(mid,p->xr,p->a,p->b,p->c,0,p->r);
				if (q1) q1->adjx(A);
				if (q2) q2->adjx(B);
				q0=new NODE(mid+A,mid+B,0,0,p->inter(mid),q1,q2);
				root=q0;
				delete p;
			} else
				root->adjx(A);
		double x;
		scanf("%lf",&x);
		root->adjy(1,-2*x,x*x);
	}
	MIN=findMin(root);
	p=MIN.first;
	long double x=MIN.second, y=p->inter(x);
	for (int i=N;i;i--)
	{
		ans[i]=x;
		if (x>MID[i]+B) x-=B; else
		if (x<MID[i]+A) x-=A; else
			x=MID[i];
	}
	for (int i=1;i<N;i++) printf("%.8f ",(double)ans[i]);
	printf("%.8f\n%.8f\n",(double)ans[N],(double)y);
	return 0;
}