Submission #579615

#	Time	Username	Problem	Language	Result	Execution time	Memory
579615		Elias	Art Collections (BOI22_art)	C++17	100 / 100	1776 ms	612 KiB

art

#include <bits/stdc++.h>

#ifndef _DEBUG
#include <art.h>

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#endif

using namespace std;

#define lint int64_t

#ifdef _DEBUG

int publish(vector<int> R)
{
    for (int i : R)
        cout << i << " ";
    cout << "\n";

    int x;
    cin >> x;

    return x;
}

void answer(vector<int> R)
{
    cout << "Answer: ";
    for (int i : R)
        cout << i << " ";
    cout << "\n";
}

#endif

void solve(int N)
{
    int n = N;

    vector<int> empty(n);
    for (int i = 0; i < n; i++)
        empty[i] = i + 1;

    int last = publish(empty);

    for (int i = 1; i < n; i++)
    {

        vector<int> current = empty;
        int v = current[i];
        current.erase(current.begin() + i);
        current.insert(current.begin(), v);

        int curr = publish(current);

        int diff = curr - last;

        int pos = ((i + 1) + diff - 1) / 2;

        empty.erase(empty.begin() + i);
        empty.insert(empty.begin() + pos, v);

        last -= i - pos;
    }

    answer(empty);
}

#ifdef _DEBUG

int main()
{
    int n;
    cin >> n;

    solve(n);
}

#endif

Compilation message (stderr)

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30