Submission #1330196

#	Time	Username	Problem	Language	Result	Execution time	Memory
1330196		huoi	Island Hopping (JOI24_island)	C++17	30 / 100	314 ms	784 KiB

island

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

void solve(int N, int L) {
    vector<vector<int>> a(N + 1, vector<int>(N + 1));
    for (int u = 1; u <= N; u++) {
        for (int k = 1; k < N; k++) {
            int v = query(u, k);
            a[u][v] = k;
        }
    }

    vector<vector<bool>> connected(N + 1, vector<bool>(N + 1, true));
    for (int u = 1; u <= N; u++) {
        for (int v = 1; v <= N; v++) {
            for (int w = 1; w <= N; w++) {
                if (u == v || v == w || u == w) continue;
                if (a[u][w] < a[u][v] && a[v][w] < a[v][u]) {
                    connected[u][v] = false;
                }
            }
        }
    }

    for (int u = 1; u <= N; u++) {
        for (int v = u + 1; v <= N; v++) {
            if (connected[u][v]) answer(u, v);
        }
    }
}

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