Submission #1021123

#	Time	Username	Problem	Language	Result	Execution time	Memory
1021123		fv3	자동 인형 (IOI18_doll)	C++14	18 / 100	35 ms	9168 KiB

doll

#include <bits/stdc++.h>
#include "doll.h"

using namespace std;

vector<int> C;
vector<int> X, Y;
int lastSwitch = 0;

void make_connections(int cnt, int dest)
{
	int origo = -X.size() - 1;

	int nt = 1;
	while (nt < cnt)
		nt *= 2;

	vector<int> st(2 * nt), label(2 * nt);
	for (int i = 2 * nt - cnt; i < 2 * nt; i++)
		st[i] = 1;

	for (int i = nt - 1; i >= 1; i--)
		st[i] = max(st[i*2], st[i*2|1]);

	label[1] = --lastSwitch;
	for (int i = 1; i < nt; i++)
	{
		if (!st[i]) continue;

		if (st[i * 2])
		{
			if (i * 2 >= nt)
			{
				X.push_back(dest);
			}
			else
			{
				X.push_back(--lastSwitch);
				label[i*2] = lastSwitch;
			}
		}
		else
		{
			X.push_back(origo);
		}

		if ((2 * i | 1) >= nt)
		{
			if ((2 * i | 1) == 2 * nt - 1)
			{
				Y.push_back(0);
			}
			else
			{
				Y.push_back(dest);
			}
		}
		else
		{
			label[(2*i|1)] = --lastSwitch;
			Y.push_back(lastSwitch);
		}
	}

	Y.back() = 0;
}

void create_circuit(int M, vector<int> A) 
{
	if (M > 1)
		return;

	C = vector<int>(M + 1);
	C[0] = A[0];
	C[1] = -1;
	make_connections(A.size(), A[0]);


	answer(C, X, Y);
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 18 / 18
• Subtask 6: 0 / 56