제출 #119235

#제출 시각아이디문제언어결과실행 시간메모리
119235Rubanov사육제 (CEOI14_carnival)C++17
100 / 100
20 ms512 KiB
#include <bits/stdc++.h>
#define ll long long
#define f first
#define s second

using namespace std;

int N,cnt=1,A[151];
vector<int> ss;

void ask(int cur,int l,int r) {
  int w = 1+(r-l+1);
  cout<<w<<' '<<cur<<' ';
  for (int i=l;i<=r;i++)
    cout<<ss[i]<<' ';
  cout<<endl;
}

int main() {
  cin>>N;
  for (int i=1;i<=N;i++)
    ss.push_back(i);
  while (!ss.empty()) {
    int cur=*ss.begin(),ans,ans1,ans2;
    ss.erase(ss.begin());
    A[cur]=cnt;
    vector<pair<int,int>> temp;
    temp.push_back({0,(int)ss.size()-1});
    while (!temp.empty()) {
      int l = temp.back().f;
      int r = temp.back().s;
      int mid = (l+r)>>1;
      temp.pop_back();
      if (l > r) continue;
      if (r==l) {
        ask(cur,l,l);
        cin>>ans;
        if (ans==1) {
          A[ss[l]]=cnt;
          ss.erase(ss.begin()+l);
        }
        continue;
      }
      ask(cur,l,r);
      cin>>ans1;
      if (ans1==1) {
        for (int i=l;i<=r;i++)
          A[ss[i]]=cnt;
        ss.erase(ss.begin()+l,ss.begin()+r+1);
        continue;
      }
      ask(ss[l],l+1,r);
      cin>>ans2;
      if (ans1!=ans2)
        continue;
      temp.push_back({l,mid});
      temp.push_back({mid+1,r});
    }
    cnt++;
  }
  cout<<"0 ";
  for (int i=1;i<=N;i++)
    cout<<A[i]<<' ';
  cout<<endl;
  return 0;
}
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