Submission #140424

#	Time	Username	Problem	Language	Result	Execution time	Memory
140424		arthurconmy	Mechanical Doll (IOI18_doll)	C++14	2 / 100	58 ms	8008 KiB

doll

#include <bits/stdc++.h>
#ifndef ARTHUR_LOCAL
	#include "doll.h"
#endif
using namespace std;

const int MAXN=100000;
int apps[MAXN];
vector<int> go_to[MAXN];

#ifdef ARTHUR_LOCAL
	void answer(vector<int> V, vector<int> X, vector<int> Y)
	{
		for(auto v:V) cout << v << " ";
		cout << endl;
	}
#endif

void create_circuit(int m, vector<int> A)
{
	int n = A.size();

	for(int i=0; i<n-1; i++)
	{
		go_to[A[i]].push_back(A[i+1]);
	}

	vector<int> C={A[0]};

	int switch_no=0;
	vector<int> X;
	vector<int> Y;

	for(int i=1; i<=m; i++)
	{
		if(go_to[i].empty())
		{
			C.push_back(0);
			continue;
		}

		if(go_to[i].size() == 1)
		{
			C.push_back(go_to[i][0]);
			continue;
		}

		if(go_to[i].size() == 2)
		{
			switch_no++;

			C.push_back(-switch_no);

			X.push_back(go_to[i][0]);
			Y.push_back(go_to[i][1]);
		
			continue;
		}
	}

	answer(C,X,Y);
}

#ifdef ARTHUR_LOCAL
	int main()
	{
		create_circuit(3,{1,2,3});
	}
#endif

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