Submission #781395

#	Time	Username	Problem	Language	Result	Execution time	Memory
781395		vjudge1	Mechanical Doll (IOI18_doll)	C++17	6 / 100	57 ms	21796 KiB

doll

#include "doll.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> X, Y, C;
int ms(int a, int b) {
    X.push_back(a);
    Y.push_back(b);
    return -Y.size();
}
vector<int> adj[500100];
void create_circuit(int M, std::vector<int> A) {
    C.resize(M+1);
    int n = A.size();
    adj[0].push_back(A[0]);
    A.push_back(0);
    for(int i = 0; i < n; i++)
        adj[A[i]].push_back(A[i+1]);
    for(int i = 0; i <= M; i++) {
        
        switch(adj[i].size()) {
            case 1:C[i] = adj[i][0];break;
            case 2:C[i] = ms(adj[i][0], adj[i][1]);break;
            case 3:
            if(adj[i][0]==adj[i][1]&&adj[i][1]==adj[i][2]) {C[i] = adj[i][0]; break;}
            C[i] = ms(ms(adj[i][0], adj[i][2]), adj[i][1]);break;
            case 4:C[i] = ms(ms(adj[i][0], adj[i][2]), ms(adj[i][1], adj[i][3]));break;
        }
    }
    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