제출 #198144

#제출 시각아이디문제언어결과실행 시간메모리
198144SuperJava자동 인형 (IOI18_doll)C++17
6 / 100
128 ms13300 KiB
#include "doll.h"
#include <vector>
#define sz(A) int(size(A))
using namespace std;

vector<int> adj[200005];

void create_circuit(int M, vector<int> A) {
	for(int i = 0; i < sz(A)-1; i++){
		adj[A[i]].push_back(A[i+1]);
	}
	adj[A[sz(A)-1]].push_back(0);
	vector<int> C(M+1);
	C[0] = A[0];
	vector<int> X,Y;
	for(int i = 1; i <= M; i++){
		if(sz(adj[i]) == 0) continue;
		if(sz(adj[i]) == 1){
			C[i] = adj[i][0];
			continue;
		}
		if(sz(adj[i]) == 2){
			C[i] = -(sz(X)+1);
			X.push_back(adj[i][0]);
			Y.push_back(adj[i][1]);
			continue;
		}
	}
	answer(C,X,Y);
}
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