Submission #1044985

#	Time	Username	Problem	Language	Result	Execution time	Memory
1044985		RecursiveCo	Mechanical Doll (IOI18_doll)	C++17	6 / 100	47 ms	12776 KiB

doll

#include <bits/stdc++.h>
#include "doll.h"

using namespace std;

#define out(o) cout << o

void create_circuit(int M, vector<int> A) {
    int N = A.size();
    A.push_back(0);
    vector<vector<int>> occ(M + 1);
    for (int i = 0; i < N; i++) occ[A[i]].push_back(i);
    vector<int> C(M + 1, 0);
    vector<int> X;
    vector<int> Y;
    int S = 0;
    C[0] = A[0];
    for (int i = 0; i < N; i++) {
        if (occ[A[i]].size() == 1 || A[occ[A[i]][0] + 1] == A[occ[A[i]][1] + 1]) C[A[i]] = A[i + 1];
        else if (occ[A[i]][0] == i) {
            S++;
            X.push_back(A[i + 1]);
            Y.push_back(A[occ[A[i]][1] + 1]);
            C[A[i]] = -S;
        }
    }
    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