Submission #311986

#	Time	Username	Problem	Language	Result	Execution time	Memory
311986		kylych03	Mechanical Doll (IOI18_doll)	C++14	6 / 100	66 ms	5944 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
//#include "grader.cpp"
using namespace std;
int vis[200002];
void create_circuit(int M, std::vector<int> A) {
  int N = A.size();

  std::vector<int> C(M + 1);
    vector <int> X, Y;
    for(int i = 0; i<M+1; i++)
        C[i]=0;
    C[0]=A[0];
    int cnt = 1;
  for (int i = 0; i <N; ++i) {
        if(vis[A[i]]!=0){

            if(i==N-1)
                Y[vis[A[i]]-1]=0;
            else
            Y[vis[A[i]]-1]=A[i+1];
        }
        else{
            C[A[i]] = -cnt;
            if(i==N-1)
                X.push_back(0);
            else
                X.push_back(A[i+1]);
            Y.push_back(-cnt);
            vis[A[i]]=cnt;
            cnt++;
        }

  }
  for(int i = 0; i < X.size(); i++){
    if(Y[i]<0)
        swap(Y[i],X[i]);
  }
  answer(C, X, Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int i = 0; i < X.size(); i++){
      |                  ~~^~~~~~~~~~

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