Submission #816053

#	Time	Username	Problem	Language	Result	Execution time	Memory
816053		Jarif_Rahman	Mechanical Doll (IOI18_doll)	C++17	16 / 100	76 ms	11724 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

const int inf = 1e9;

void create_circuit(int m, vector<int> A){
    int n = A.size();
    A.pb(inf);
    vector<vector<int>> pos(m);
    for(int i = 0; i < n; i++) pos[A[i]-1].pb(i);

    vector<int> C(m+1, 0), X, Y;
    C[0] = A[0];
    int ls = 0;
    for(int i = 0; i < m; i++) if(!pos[i].empty()){
        if(pos[i].size() == 1){
            C[i+1] = A[pos[i][0]+1];
        }
        else if(pos[i].size() == 2){
            X.pb(A[pos[i][0]+1]), Y.pb(A[pos[i][1]+1]);
            C[i+1] = -int(X.size());
        }
        else if(pos[i].size() == 4){
            C[i+1] = -int(X.size()+1);
            X.pb(-int(X.size()+2)), Y.pb(-int(Y.size()+3));
            X.pb(A[pos[i][0]+1]), X.pb(A[pos[i][1]+1]);
            Y.pb(A[pos[i][2]+1]), Y.pb(A[pos[i][3]+1]);
        }
        else{
            C[i+1] = -int(X.size()+1);
            X.pb(-int(X.size()+2)), Y.pb(-int(Y.size()+3));
            X.pb(A[pos[i][0]+1]), X.pb(A[pos[i][1]+1]);
            Y.pb(A[pos[i][2]+1]), Y.pb(ls);
            ls = -int(X.size())+2;
        }
    }

    for(int &x: C) if(x == inf) x = ls;
    for(int &x: X) if(x == inf) x = ls;
    for(int &x: Y) if(x == inf) x = ls;

    answer(C, X, Y);
}

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