Submission #96491

#	Time	Username	Problem	Language	Result	Execution time	Memory
96491		Camaroes	DEL13 (info1cup18_del13)	C++14	15 / 100	1091 ms	504 KiB

del13

#include <iostream>
#include <vector>

using namespace std;

void monstro(vector<int> &city, const vector<int> &dad, vector<int> &order, bool &pr)
{
	if(city.size() == dad.size())
	{
		if(city == dad)
		{
			cout << order.size() << "\n";
			for(auto x : order)
			{
				cout << x << " ";
			}
			cout << "\n";
			pr = true;
			return;
		}
		else return;
	}
	else
	{
		for(unsigned int k = 1; k < city.size() - 1; k++)
		{
			order.push_back(city[k]);
			vector<int> cityy = city;
			cityy.erase(cityy.begin() + (k + 1));
			cityy.erase(cityy.begin() + (k - 1));
			monstro(cityy, dad, order, pr);
			order.pop_back();
			if(pr) k = city.size();
		}
	}

	return;
}

int main()
{
	int t;
	cin >> t;

	for(int i = 0; i < t; i++)
	{
		int n, q;
		cin >> n >> q;

		vector<int> city(n, 0);
		for(int j = 0; j < n; j++) city[j] = j + 1;

		vector<int> dad(q, 0);
		for(int j = 0; j < q; j++) cin >> dad[j];

		if(((n - q) % 2 != 0) || (n < q)) cout << -1 << "\n";
		else
		{
			vector<int> p;
			bool pr = false;
			monstro(city, dad, p, pr);
			if(!pr) cout << -1 << "\n";
		}
	}

	return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 25
• Subtask 5: 0 / 30