Submission #48965

#	Time	Username	Problem	Language	Result	Execution time	Memory
48965		doowey	Carnival (CEOI14_carnival)	C++14	100 / 100	10 ms	584 KiB

carnival

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair<int,int> pii;
typedef long double ld;
 
#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define TEST freopen("in.txt","r",stdin);
#define ab(a) ((a < 0) ? (-(a)) : (a))
#define all(a) a.begin(), a.end()

int Query(vector<int>party){
  cout << party.size() << " ";
  for(auto x : party)
    cout << x << " ";
  cout << endl;
  int answer;
  cin >> answer;
  return answer;
}

const int N = 155;
int ans[N];

int main(){
  int n;
  cin >> n;
  vector<int>unique;
  unique.push_back(1);
  ans[1] = 1;
  int p = 2;
  vector<int>QR;
  for(int i = 2;i <= n;i ++){
    QR = unique;
    QR.push_back(i);
    if(Query(QR) < QR.size()){
      int lf = 0,rf = unique.size() + 1;
      int md;
      int rez;
      while(lf + 1 < rf){
        md = (lf + rf) / 2;
        QR.clear();
        for(int i = 0;i < md;i ++)
          QR.push_back(unique[i]);
        QR.push_back(i);
        if(Query(QR) < QR.size())
          rf = md;
        else
          lf = md;
      }
      ans[i] = rf;
    }
    else{
      ans[i] = p;
      ++p;
      unique.push_back(i);
    }
  }
  cout << "0 ";
  for(int i = 1;i <= n;i ++)  
    cout << ans[i] << " ";
  return 0;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:41:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(Query(QR) < QR.size()){
        ~~~~~~~~~~^~~~~~~~~~~
carnival.cpp:51:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(Query(QR) < QR.size())
            ~~~~~~~~~~^~~~~~~~~~~
carnival.cpp:44:11: warning: unused variable 'rez' [-Wunused-variable]
       int rez;
           ^~~

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20