Submission #893280

#	Time	Username	Problem	Language	Result	Execution time	Memory
893280		box	Library (JOI18_library)	C++17	0 / 100	74 ms	668 KiB

library

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

#define ar array
#define sz(v) int(std::size(v))
using i64 = long long;

#include "library.h"

void Solve(int N) {
    auto Q = [&](vector<int> v) {
        vector<int> u(N);
        for (int x : v) u[x - 1] = 1;
        return Query(u);
    };
    vector<int> v = {1};
    for (int x = 2; x <= N; x++) {
        int z = -1;
        for (int y = 1; y <= N; y++) if (find(begin(v), end(v), y) == end(v)) {
            v.push_back(y);
            if (Q(v) == 1) {
                z = y;
                break;
            } else v.pop_back();
        }
        assert(~z);
        v.pop_back();
        if (x == 2) v.push_back(z);
        else {
            int y = v.back();
            v.pop_back();
            v.push_back(z);
            if (Q(v) == 1) {
                v.pop_back();
                v.push_back(y);
                v.insert(begin(v), z);
            } else {
                v.pop_back();
                v.push_back(y);
                v.push_back(z);
            }
        }
    }
    for (int x : v) cout << x << ' ';
    cout << "\n";
    Answer(v);
}

• Subtask 1: 0 / 19
• Subtask 2: 0 / 81