Submission #419563

#	Time	Username	Problem	Language	Result	Execution time	Memory
419563		freshmintt	Carnival (CEOI14_carnival)	C++14	0 / 100	1 ms	328 KiB

carnival

#include<bits/stdc++.h>
#define MAXN 155 //change. SET A SPACIOUS MAXN WHEN TESTING SO YOU DONT MESS UP WITH GARBAGE VALS OR SHIT
using namespace std;
typedef pair<long long,long long> pi;
typedef long long ll;
typedef long double ld;
ll N;
 
#define FIO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
 
 
int main() { 
  // freopen("in", "r", stdin); // comment out
  FIO;
  cin >> N;

  ll assigns[MAXN]; fill(assigns, assigns+MAXN, 1);

  bool unique[MAXN]; fill(unique, unique+MAXN, false);
  
  vector<ll> ref;
  ref.push_back(1); unique[1] = true; assigns[1] = 1;

  ll res;

  ll prev = 1;
  for (ll i = 2; i <= N-1; i++) {
    cout << i << " ";
    for (ll j = 1; j <= i; j++) {
      cout << j << " ";
    }
    cout << endl; // MUST CALL AN ENDL BEFORE DOING FLUSH!
    fflush(stdout);
    // cin >> res;
    // if (res > prev) {
    //   ref.push_back(i);
    //   unique[i] = true;
    //   // cout << "assigning " << i << endl;
    //   assigns[i] = i;
    // }
    // prev = res;
      
  }
  // // cout << endl;
  // // for (auto item : ref) {
  // //   cout << item << endl;
  // // }


  // for (ll i = 2; i <= N; i ++) {
  //   if (unique[i]) continue;
  //   ll a = 0; ll b = ref.size(); ll mid;
  //   while (a != b) {
  //     mid = (a + b) / 2;
      
  //     // test party a->mid and i
  //     // cout << "building output: " << endl; 
  //     for (ll x = a; x <= mid; x++) {
  //       cout << ref[x] << " ";
  //     }
  //     cout << i << endl;

  //     fflush(stdout);
  //     cin >> res;

  //     if (res == mid-a+1) {
  //       // cout << "testing lower half " << endl;
  //       b = mid;
  //     }
  //     else {
  //       // cout << "testing upper half" << endl;
  //       a = mid + 1;
  //     }
       
  //   }
  //   // cout << i << " belongs to: " << ref[a] << endl;
  //   assigns[i] = ref[a];
  // }

  cout << "0 ";
  for (ll i = 1; i <= N; i++) {
    cout << assigns[i] << " ";
  }

  cout << endl;
  fflush(stdout);


 
}   

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:25:6: warning: unused variable 'res' [-Wunused-variable]
   25 |   ll res;
      |      ^~~
carnival.cpp:27:6: warning: unused variable 'prev' [-Wunused-variable]
   27 |   ll prev = 1;
      |      ^~~~

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