Submission #1072783

#	Time	Username	Problem	Language	Result	Execution time	Memory
1072783		Double_Slash	Minerals (JOI19_minerals)	C++17	25 / 100	8 ms	1112 KiB

minerals

#include "minerals.h"
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

void dfs(int n, const vector<int> &a, const vector<int> &b) {
    if (n == 1) {
        Answer(a.front(), b.front());
        return;
    }
    int m = (n + 1) >> 1;
    vector<int> al, ar, bl, br;
    for (int i = 0; i < m; ++i) {
        al.emplace_back(a[i]);
        Query(a[i]);
    }
    for (int i = m; i < n; ++i) {
        ar.emplace_back(a[i]);
    }
    for (int i = 0; i < n; ++i) {
        if (Query(b[i]) == m) {
            bl.emplace_back(b[i]);
        } else {
            br.emplace_back(b[i]);
        }
        Query(b[i]);
    }
    for (int i = 0; i < m; ++i) {
        Query(a[i]);
    }
    dfs(m, al, bl);
    dfs(n - m, ar, br);
}

void Solve(int N) {
    vector<int> a(N), b(N);
    iota(a.begin(), a.end(), 1);
    iota(b.begin(), b.end(), N + 1);
    dfs(N, a, b);
}

• Subtask 1: 0 / 6
• Subtask 2: 25 / 25
• Subtask 3: 0 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10