Submission #95733

#	Time	Username	Problem	Language	Result	Execution time	Memory
95733		dwsc	Mechanical Doll (IOI18_doll)	C++14	0 / 100	1 ms	204 KiB

doll

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

void create_circuit(int M, std::vector<int> A) {
    int N = A.size();
    std::vector<int> C(M + 1);
    A.push_back(0);
    vector<int> X,Y;
    if (M == 1){
        if (N == 1){
            C[0] = 1;
            C[1] = 0;
        }
        else if (N == 2){
            C[0] = 1;
            C[1] = -1;
            X.push_back(1);
            Y.push_back(0);
        }
        answer(C,X,Y);
        return;
    }
    vector<int> adj[M+1];
    int cur = 0;
    for (int i = 0; i < N; i++){
        adj[cur].push_back(A[i]);
        cur = A[i];
    }
    adj[A[N-1]].push_back(0);
    int num = -1;
    for (int i = 0; i <= M; i++){
        unique(adj[i].begin(),adj[i].end());
        if (adj[i].size() == 0) C[i] = 0;
        else if (adj[i].size() == 1) C[i] = 1;
        else{
            C[i] = num--;
            X.push_back(adj[i][0]);
            Y.push_back(adj[i][1]);
        }
    }
    answer(C, X, Y);
}

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