Submission #575018

#	Time	Username	Problem	Language	Result	Execution time	Memory
575018		Uzouf	Carnival (CEOI14_carnival)	C++14	0 / 100	0 ms	208 KiB

carnival

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
//using namespace __gnu_pbds;
#define ll long long
//#define endl "\n"
//int mod=1e9+7;
//const int N=2e5+5;
//template<class x>
//using ordered_multiset = tree<x, null_type,less_equal<x>, rb_tree_tag,tree_order_statistics_node_update>;

int n,c;
int col[155];

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen(".in", "r", stdin); freopen(".out", "w", stdout);

    cin>>n;
    cout<<n<<' ';

    set<int> ask;
    ask.insert(1); col[1]=1; c=1;

    for (int i=2;i<=n;i++) {
      ask.insert(i);
      if (ask.size()==1) continue;

      cout<<ask.size()<<' ';
      auto j=ask.begin();
      while (j!=ask.end()) {
        cout<<*j<<' ';
        j++;
      }
      cout<<endl;
      fflush(stdout);

      int nm; cin>>nm;
      if (nm!=ask.size()) {
        auto j=ask.begin();
        while (j!=ask.end()) {
          cout<<*j<<' '<<i<<endl;
          fflush(stdout);
          int gg; cin>>gg;
          if (gg==1) {
            ask.erase(*j); col[i]=col[*j];
            break;
          }

          j++; j++;
          if (j==ask.end()) {
            ask.erase(*j); col[i]=col[*j];
            break;
          }
          else j--;
        }
      }
      else {
        c++; col[i]=c;
      }
    }

    cout<<0<<' ';
    for(int i=1;i<=n;i++) {
      cout<<col[i]<<' ';
    }
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:40:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |       if (nm!=ask.size()) {
      |           ~~^~~~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20