Submission #839081

#	Time	Username	Problem	Language	Result	Execution time	Memory
839081		beaconmc	자동 인형 (IOI18_doll)	C++14	0 / 100	1 ms	212 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

typedef int ll;
using namespace std;
//using namespace __gnu_pbds;

#define FOR(i, x, y) for(ll i=x; i<y; i++)
#define FORNEG(i, x, y) for(ll i=x; i>y; i--)
//#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL)





vector<ll> binorder(ll n){
  if (n==0) return {0};
  vector<ll> ans;
  vector<ll> sus = binorder(n-1);
  for (auto&i : sus){
    ans.push_back(i*2);
  }
  for (auto&i : sus){
    ans.push_back(i*2 + 1);
  }
  return ans;
}



void create_circuit(int M, vector<int> A) {
  ll offset = 0;
  ll N = A.size();

  reverse(A.begin(), A.end());


  vector<ll> X;
  vector<ll> Y;
  vector<ll> ans;
  ans.push_back(-1);
  FOR(i, 1, M+1){
    ans.push_back(-1);
  }

  ll screwthis = -1;


  FORNEG(i, 30, -1){
    if (N&(1<<i)){


      N -= (1<<i);


      vector<ll> things;
      vector<ll> order = binorder(i);




      if (i==0){
        Y.push_back(0);
        X.push_back(A[0]);
        continue;
      }


      FOR(j, 1, (1<<(i))){
        X.push_back(-(j*2+offset));
        Y.push_back(-(j*2+1+offset));
      }


      ll shit = 0;
      FOR(j,(1<<(i)), (1<<(i+1))){
        X.push_back(A[order[shit++]]);
        if (A.size() >= order[shit-1] + (1<<i)){
          Y.push_back(A[order[shit-1] + (1<<i)]);
        }else{
          Y.push_back(offset-1);
        }
      }

      if (N != 0){
        Y[Y.size()-1] = -X.size()-1;
      }
      break;

    }
  }







  // for (auto&i : ans){
  //   cout << i << " ";
  // }cout << endl;
  // for (auto&i : X){
  //   cout << i << " ";

  // }cout << endl;

  // for (auto&i : Y){
  //   cout << i << " ";
// 
  // }cout << endl;
  Y[Y.size()-1] = 0;

  answer(ans, X, Y);


}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:81:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} [-Wsign-compare]
   81 |         if (A.size() >= order[shit-1] + (1<<i)){
      |             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
doll.cpp:49:6: warning: unused variable 'screwthis' [-Wunused-variable]
   49 |   ll screwthis = -1;
      |      ^~~~~~~~~

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