Submission #197874

#	Time	Username	Problem	Language	Result	Execution time	Memory
197874		DavidDamian	Mechanical Doll (IOI18_doll)	C++11	16 / 100	106 ms	11760 KiB

doll

#include "doll.h"
using namespace std;
void create_circuit(int M, vector<int> A) {
  int n = A.size();
  vector<int> C(M + 1);
  C[0] = A[0];
  vector<int> destiny[100005];
  for(int i=0;i<n-1;i++){
    destiny[ A[i] ].push_back(A[i+1]);
  }
  destiny[ A[n-1] ].push_back(0);
  vector<int> X,Y;
  int k=0;
  for(int i=1;i<=M;i++){
    if(destiny[i].size()==0){
        C[i]=0;
    }
    else if(destiny[i].size()==1){
        C[i]=destiny[i][0];
    }
    else if(destiny[i].size()==2){
        k++;
        C[i]=-k;
        X.push_back(destiny[i][0]);
        Y.push_back(destiny[i][1]);
    }
    else if(destiny[i].size()==3){
        k++;
        C[i]=-k;
        X.push_back(-(k+1));
        Y.push_back(-(k+2));
        X.push_back(-k);
        Y.push_back(destiny[i][1]);
        k+=2;
        X.push_back(destiny[i][0]);
        Y.push_back(destiny[i][2]);
    }
    else{
        k++;
        C[i]=-k;
        X.push_back(-(k+1));
        Y.push_back(-(k+2));
        k++;
        X.push_back(destiny[i][0]);
        Y.push_back(destiny[i][2]);
        k++;
        X.push_back(destiny[i][1]);
        Y.push_back(destiny[i][3]);
    }
  }
  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