Submission #1276657

#	Time	Username	Problem	Language	Result	Execution time	Memory
1276657		jump	Island Hopping (JOI24_island)	C++20	0 / 100	1 ms	420 KiB

island

#include <bits/stdc++.h>
bool visit[320];
std::set<int> cache[320];
void solve(int N, int L);
int query(int v, int k);
void answer(int x, int y);
int Ng;
void join(std::set<int>& a,std::set<int> b){
  for(auto v:b)a.insert(v);
}
std::set<int> dfs(int current,int parent){
  //std::cout << parent << "->" << current << '\n';
  if(visit[current])return cache[current];
  else visit[current]=true;
  int test = query(current,1);
  //std::cout << test << '\n';
  if(test==parent)return {current};
  int t = 2;
  std::set<int> child;
  child.insert(current);
  while(test<current&&child.find(test)==child.end()&&t<Ng){
    join(child,dfs(test,current));
    answer(current,test);
    test = query(current,t++);
  }
  cache[current]=child;
  return child;
}
void solve(int N, int L) {
  Ng=N;
  for (int i=N;i>=1;i--) {
    dfs(i,i);
  }
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 7
• Subtask 4: 0 / 9
• Subtask 5: 0 / 13
• Subtask 6: 0 / 15
• Subtask 7: 0 / 22
• Subtask 8: 0 / 28