Submission #1129764

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129764		not_amir	Island Hopping (JOI24_island)	C++20	100 / 100	4 ms	452 KiB

island

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

int Q(int v, int k) {
    static map<pair<int, int>, int> mp;
    if (mp.count({v, k}))
        return mp[{v, k}];
    return mp[{v, k}] = query(v, k);
}

void solve(int N, int L) {
    vector<int> order;
    for (int k = 1; k < N; k++)
        order.push_back(Q(1, k));
    vector p(N + 1, -1);
    p[1] = 1;
    for (int v : order) {
        for (int k = 1; p[v] == -1; k++) {
            int u = Q(v, k);
            if (p[u] == -1) p[u] = v;
            else p[v] = u;
        }
    }
    for (int i = 2; i <= N; i++)
        answer(i, p[i]);
}

• 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