Submission #1012222

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012222		zsombor	Art Collections (BOI22_art)	C++17	100 / 100	991 ms	1348 KiB

art

#include "art.h"
using namespace std;

int n, inv;
vector <int> ans;

int query(int x) {
    vector <int> v(n);
    for (int i = 0; i < x - 1; i++) v[i] = i + 1;
    for (int i = x - 1; i < n - 1; i++) v[i] = i + 2;
    v[n - 1] = x;
    return publish(v);
}

void get(int x) {
    int q = (x < n ? query(x) : inv);
    int k = (inv - q + n - x) / 2;
    for (int& i : ans) {
        if (i) continue;
        if (!k) { i = x; break; }
        k--;
    }
}

void solve(int N) {
    n = N;
    ans.assign(n, 0);
    inv = query(n);
    for (int i = 1; i <= n; i++) get(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: 30 / 30