Submission #1041542

#	Time	Username	Problem	Language	Result	Execution time	Memory
1041542		yanb	Mechanical Doll (IOI18_doll)	C++14	6 / 100	38 ms	14596 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(4e5), Y(4e5);
	int nots = 0;
	for (int i = 0; i < k + 1; i++) {
		if (g[i].size() == 0) continue;
		if (g[i].size() == 1) {
			C[i] = g[i][0]; continue;
		}
		C[i] = -nots - 1;
		X[nots] = g[i][0];
		Y[nots] = g[i][1];
		nots++;
		for (int j = 1; j < (int) g[i].size() - 1; j++) {
			X[nots] = Y[nots - 1];
			Y[nots - 1] = -nots - 1;
			Y[nots] = g[i][j + 1];
			nots++;
		}
	}

	X.resize(nots);
	Y.resize(nots);

	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, 2, 1, 3, 1, 4});
}
#endif

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