Submission #297257

#	Time	Username	Problem	Language	Result	Execution time	Memory
297257		eohomegrownapps	Mechanical Doll (IOI18_doll)	C++14	6 / 100	98 ms	12328 KiB

doll

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

vector<vector<int>> adjlist;

vector<int> exitto;
vector<int> switchxto;
vector<int> switchyto;

int sind = 0;

int create(int trigger, int s, int e){
    //cout<<"create "<<trigger<<' '<<s<<' '<<e<<endl;
    if (s==e){
        //cout<<"ret "<<adjlist[trigger][s]<<'\n';
        return adjlist[trigger][s];
    }
    int switchtouse = sind;
    switchxto.push_back(-1e9);
    switchyto.push_back(-1e9);
    sind++;
    int m = (s+e)/2;
    //cout<<"update "<<switchtouse<<'\n';
    int cl = create(trigger,s,m);
    int cr = create(trigger,m+1,e);
    switchxto[switchtouse]=cl;
    switchyto[switchtouse]=cr;
    //cout<<"==== "<<switchxto[switchtouse]<<' '<<switchyto[switchtouse]<<'\n';
    //cout<<"ret "<<-1-switchtouse<<'\n';
    return -1-switchtouse;
}

void processSwitches(int trigger){
    if (adjlist[trigger].size()==0){return;}
    exitto[trigger]=create(trigger,0,adjlist[trigger].size()-1);
}

void create_circuit(int m, std::vector<int> a) {
    int n = a.size();
    adjlist.resize(m+1);
    a.push_back(0);
    for (int i = 0; i<n; i++){
        adjlist[a[i]].push_back(a[i+1]);
    }
    exitto.resize(m+1);
    exitto[0]=a[0];
    for (int i = 1; i<=m; i++){
        //cout<<"process "<<i<<endl;
        processSwitches(i);
    }
    //for (int i : exitto){
        //cout<<i<<' ';
    //}//cout<<'\n';
    //for (int i : switchxto){
        //cout<<i<<' ';
    //}//cout<<'\n';
    //for (int i : switchyto){
        //cout<<i<<' ';
    //}//cout<<'\n';
    //cout<<"answer:\n";
    answer(exitto,switchxto,switchyto);
}

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