Submission #1049099

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049099		sofijavelkovska	Art Collections (BOI22_art)	C++17	70 / 100	710 ms	1984 KiB

art

#include "art.h"
//#include "sample_grader.cpp"

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

void solve(int n)
{
    vector<int> a;
    pair<int, int> rank[n+1];
    for (int i=1; i<=n; i++)
        rank[i].second=i;
    rank[1].first=0;
    for (int i=2; i<=n; i++)
    {
        a.clear();
        a.push_back(1);
        for (int j=2; j<=n; j++)
            if (j!=i)
                a.push_back(j);
        a.push_back(i);
        int inv1=publish(a);
        swap(a[0], a[n-1]);
        int inv2=publish(a);
        if (inv2>inv1)
            rank[i].first=(inv2+1-inv1)/2;
        else
            rank[i].first=-(inv1+1-inv2)/2;
    }
    sort(rank+1, rank+n+1);
    for (int i=1; i<=n; i++)
        a[i-1]=rank[i].second;
    answer(a);

    return;
}

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