제출 #282943

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
282943		tinjyu	자동 인형 (IOI18_doll)	C++14	100 / 100	142 ms	13124 KiB

doll

#include <iostream>
#include <vector>
#include "doll.h"
using namespace std;
int l[1000005],r[1000005],num[25],d[1000005],b[1000005],x1[1000005],x2[1000005],X[1000005],p=0,Y[1000005];
int qs(int s,int e){
	int l=s,r=e,mid=(d[l]+d[r])/2;
	while(l<=r)
	{
		while(d[l]<mid)l++;
		while(d[r]>mid)r--;
		if(l<=r)
		{
			swap(d[l],d[r]);
			swap(b[l],b[r]);
			l++;
			r--;
		}
	}
	if(s<r)qs(s,r);
	if(l<e)qs(l,e);
	return 0;
}
int find(int x){
	if(x==0)return 0;
	if(x<0)return 1;
	if(find(l[x])==0 && find(r[x])==0)
	{
		return 0;
	}
	else if(find(l[x])==0 && find(r[x])==1)
	{
		l[x]=0;
	}
	return 1;
 
}
int solve(int t){
	int e=p;
	if(l[t]>=1)
	{
		p++;
		x1[e]=p;
		solve(l[t]);
	}
	else x1[e]=l[t];
	if(r[t]>=1)
	{
		p++;
		x2[e]=p;
		solve(r[t]);
	}
	else x2[e]=r[t];
	return 0;
}
void create_circuit(int M, std::vector<int> A) {
  int n = A.size(); 
  n++;
  A[n-1]=1;
  int t=1;
	while(t<n)
	{
		t*=2;
		p++;
	}
  std::vector<int> C(M + 1);
  C[0] = -1;
  for (int i = 1; i <= M; ++i) {
    C[i] = 1;
  }
  
	num[1]=-1;
	for(int i=1;i<=t+1;i++)
	{
		num[1]++;
		for(int j=1;j<=p+1;j++)
		{
			if(num[j]==2)
			{
				num[j]=0;
				num[j+1]++;
			}
			else break;
		}
		int q=1;
		for(int j=p;j>=1;j--)
		{
			d[i]+=q*num[j];
			q*=2;
		}
	}
	for(int i=t;i>=t-n+1;i--)b[i]=i-1;
	qs(t-n+1,t);
	for(int i=1;i<=t-1;i++)
	{
		l[i]=(i*2);
		r[i]=(i*2+1);
		if(i*2>t-1)l[i]=0;
		if(i*2+1>t-1)r[i]=0;
	}
	for(int i=t-n+1;i<=t;i++)
	{
		if(b[i]%2==1)r[(t+b[i])/2]=A[i-(t-n)-1]*-1;
		else l[(t+b[i])/2]=A[i-(t-n)-1]*-1;
	}
	find(1);
	p=1;
	solve(1);
	C[0]=-1;
	for(int i=0;i<=M;i++)C[i]=-1;
	std::vector<int> X(p), Y(p);
	for(int i=0;i<p;i++)
	{
		X[i]=x1[i+1]*-1;
		if(X[i]==0)X[i]=-1;
	}
	for(int i=0;i<p;i++)
	{
		Y[i]=x2[i+1]*-1;
		if(Y[i]==0)Y[i]=-1;
	}
	Y[p-1]=0;
	answer(C, X, Y);
	return ;
}

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 56 / 56