Submission #611889

#	Time	Username	Problem	Language	Result	Execution time	Memory
611889		Jomnoi	자동 인형 (IOI18_doll)	C++17	6 / 100	75 ms	12232 KiB

doll

#include <bits/stdc++.h>
#include "doll.h"
using namespace std;

const int MAX_M = 1e5 + 5;

vector <int> position[MAX_M];

void create_circuit(int M, vector <int> A) {
    int N = A.size(), S = 0;
    vector<int> C(M + 1), X, Y;

    A.push_back(0);
    for(int i = 0; i < N; i++) {
        position[A[i]].push_back(i);
    }

    C[0] = A[0];
    for(int i = 0; i < N; i++) {
        if(position[A[i]].size() == 2) {
            S++;
            C[A[i]] = -S;
            X.push_back(A[i + 1]);
            Y.push_back(A[position[A[i]].back() + 1]);
            position[A[i]].clear();
        }
        else if(position[A[i]].size() == 1) {
            C[A[i]] = A[i + 1];
        }
    }
    answer(C, X, Y);
}

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