Submission #1041651

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041651		yanb	Mechanical Doll (IOI18_doll)	C++14	53 / 100	64 ms	13368 KiB

doll

#include <bits/stdc++.h>

using namespace std;
    
//#define int long long
//#define pii pair<long long, long long>

void answer(vector<signed> C, vector<signed> X, vector<signed> Y);

void create_circuit(int k, vector<int> a) {
	int n = a.size();
	a.push_back(0);
	vector<vector<int>> g(k + 1);
	g[0].push_back(a[0]);
	for (int i = 0; i < n; i++) {
		g[a[i]].push_back(a[i + 1]);
	}

	vector<int> C(k + 1), X, Y;
	C[0] = g[0][0];
	for (int j = 1; j < k + 1; j++) {
		int cnt = g[j].size();
		int z = 1, ord = 0;
		while (z < cnt) {
			z *= 2;
			ord++;
		}

		if (ord == 0) {
			if (cnt == 1) C[j] = g[j][0];
			continue;
		}

		vector<int> p(z);
		p[0] = 0;
		for (int i = 0; i < ord; i++) {
			for (int ni = 0; ni < (1 << i); ni++) {
				p[(1 << i) + ni] = p[ni] + (1 << (ord - i - 1));
			}
		}

		int wnots = X.size();
		C[j] = -wnots - 1;

		vector<int> v(z, -wnots - 1);
		for (int i = z - (int) g[j].size(); i < z; i++) {
			v[i] = g[j][i - z + (int) g[j].size()];
		}

		vector<int> vp(z);
		for (int i = 0; i < z; i++) {
			vp[p[i]] = v[i];
		}

		vector<int> X_(z), Y_(z);
		for (int ni = 1; ni < z / 2; ni++) {
			X_[ni] = -ni * 2 - wnots;
			Y_[ni] = -ni * 2 - 1 - wnots;
		}
		for (int ni = 0; ni < z / 2; ni++) {
			X_[ni + z / 2] = vp[ni * 2];
			Y_[ni + z / 2] = vp[ni * 2 + 1];
		}

		for (int i = 1; i < z; i++) {
			X.push_back(X_[i]);
			Y.push_back(Y_[i]);
		}
	}

	answer(C, X, Y);
}

#ifdef ONLINE_JUDGE
void answer(vector<signed> C, vector<signed> X, vector<signed> Y) {
	for (int x : C) cout << x << " ";
	cout << "\n";
	for (int x : X) cout << x << " ";
	cout << "\n";
	for (int x : Y) cout << x << " ";
	cout << "\n";
}

int main() {
	create_circuit(4, {1, 1, 1, 1, 1, 1});
}
#endif

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 9.0000000036 / 18
• Subtask 6: 28.0000000112 / 56