제출 #197870

#제출 시각아이디문제언어결과실행 시간메모리
197870DavidDamian자동 인형 (IOI18_doll)C++11
6 / 100
103 ms10972 KiB
#include "doll.h"
using namespace std;
#define debug(x) cerr<<#x<<" = "<<x<<endl
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{
        k++;
        X.push_back(destiny[i][0]);
        Y.push_back(destiny[i][1]);
        C[i]=-k;
    }
  }
  answer(C, X, Y);
}
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