Submission #1274790

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274790		nicolo_010	자동 인형 (IOI18_doll)	C++20	16 / 100	47 ms	11412 KiB

doll

#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
using ll = long long;
using pii = pair<int, int>;

void create_circuit(int M, std::vector<int> A) {
	A.push_back(0);
	int N = A.size();
	vector<int> C(M+1);
	vector<int> X, Y;
	vector<vector<int>> after(M+1);
	for (int i=0; i<N; i++) {
		after[A[i]].push_back(A[(i+1)%N]);
	}
	int S=0;
	for (int i=0; i<M+1; i++) {
		int sz = after[i].size();
		if (sz == 0) {
			;
		}
		else if (sz == 1) {
			C[i] = after[i][0];
		}
		else if (sz == 2) {
			C[i] = --S;
			X.push_back(after[i][0]);
			Y.push_back(after[i][1]);
		}
		else if (sz <= 4) {
			C[i] = --S;
			X.push_back(--S);
			Y.push_back(--S);
			if (sz == 3) {
				X.push_back(C[i]);
				Y.push_back(after[i][1]);
				X.push_back(after[i][0]);
				Y.push_back(after[i][2]);
			}
			else {
				X.push_back(after[i][0]);
				Y.push_back(after[i][2]);
				X.push_back(after[i][1]);
				Y.push_back(after[i][3]);
			}
		}
	}
	answer(C, X, Y);
}

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