Submission #579685

#	Time	Username	Problem	Language	Result	Execution time	Memory
579685		Josia	Art Collections (BOI22_art)	C++17	70 / 100	1600 ms	712 KiB

art

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

using namespace std;



int query(vector<int> a) {
    for (int &i: a) i++;
    return publish(a);
}


void solve(int n) {    
    vector<int> a;

    for (int i = 0; i<n; i++) {
        a.push_back(i);
    }

    vector<int> res(n*2, -1);

    res[n-1] = 0;

    int lastpos = n-1;

    for (int i = 1; i<n; i++) {
        swap(a[i-1], a[0]);
        swap(a[i], a[n-1]);
        int one = query(a);

        swap(a[n-1], a[0]);
        int two = query(a);

        swap(a[n-1], a[0]);
        swap(a[i], a[n-1]);
        swap(a[i-1], a[0]);

        res[lastpos+(abs(one-two)/2 +1) * ((one-two)/abs(one-two))] = i;
        lastpos = lastpos+(abs(one-two)/2 +1) * ((one-two)/abs(one-two));
    }

    reverse(res.begin(), res.end());

    vector<int> ret;

    for (int i: res) {
        if (i != -1) {
            ret.push_back(i+1);
        }
    }

    answer(ret);
}

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