Submission #714979

#	Time	Username	Problem	Language	Result	Execution time	Memory
714979		vjudge1	Art Collections (BOI22_art)	C++17	70 / 100	1622 ms	704 KiB

art

#include "art.h"
#include<bits/stdc++.h>
using namespace std;
//     g++ -std=c++17 art_sample.cpp sample_grader.cpp
int n;
int f_p(int a){
    vector<int> order;
    for (int i = 1; i <= n; i++)
    {
        if(i == a) continue;
        order.push_back(i);
    }
    order.push_back(a);
    return publish(order);
}
int f_q(int a){
    vector<int> order;
    order.push_back(a);
    for (int i = 1; i <= n; i++)
    {
        if(i == a) continue;
        order.push_back(i);
    }
    return publish(order);
}
void solve(int N) {
    n = N;
    vector<int> ans(n, 0);
    for (int i = 1; i <= n; i++)
    {
        int p = f_p(i);
        int q = f_q(i);
        /*
            p = x + n - 1 - pos(i);
            q = pos(i) + x;
            p - q = n - 1 - 2 * pos(i);
            pos(i) = (n - 1 - (p - q)) / 2;
        */
        //cout << p << " " << q << endl;
        int pos = (n - 1 - (p - q)) / 2;
        ans[pos] = i;
    }
    answer(ans);
}

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: 0 / 30