Submission #1238423

#	Time	Username	Problem	Language	Result	Execution time	Memory
1238423		t_holl	Island Hopping (JOI24_island)	C++20	65 / 100	3 ms	416 KiB

island

#include "island.h"

#include <bits/stdc++.h>
using namespace std;

void solve(int N, int L) {
    vector<int> bfs_1 = { 1 };
    vector<int> pos_bfs(N + 1);

    for (int i = 1; i < N; i ++) {
      bfs_1.push_back(query(1, i));
    }
    for (int i = 0; i < N; i ++) {
      pos_bfs[bfs_1[i]] = i;
    }

    for (int i = 2; i <= N; i ++) {
      int res = -1;
      int off = 1;
      while (res == -1) {
        int nxt = query(i, off);
        off ++;

        if (pos_bfs[nxt] < pos_bfs[i]) {
          res = nxt;
        }
      }

      answer(i, res);
    }
}

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