Submission #1171742

#	Time	Username	Problem	Language	Result	Execution time	Memory
1171742		peterandvoi	Island Hopping (JOI24_island)	C++20	100 / 100	2 ms	416 KiB

island

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "C:\debug.h"
#else
#define debug(...) 42
#endif

#include "island.h"

void solve(int n, int l) {
  vector<int> pos, ord(n + 1);
  for (int i = 1; i < n; ++i) {
    pos.push_back(query(1, i));
    ord[pos.back()] = i;
  }
  vector<bool> has_parent(n + 1);
  for (int u : pos) {
    if (has_parent[u]) continue;
    for (int i = 1; i < n; ++i) {
      int v = query(u, i);
      answer(u, v);
      if (ord[v] < ord[u]) break;
      has_parent[v] = 1;
    }
  }
}

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