Submission #629595

#	Time	Username	Problem	Language	Result	Execution time	Memory
629595		null_awe	Art Collections (BOI22_art)	C++17	0 / 100	1 ms	276 KiB

art

#include <vector>
#include <set>
#include <art.h>
using namespace std;

void solve(int n) {
  vector<int> arr(n), order(n); for (int i = 0; i < n; ++i) arr[i] = i + 1;
  set<int> un; for (int i = 0; i < n; ++i) un.insert(i);
  int base = publish(arr);
  for (int i = 0; i < n - 1; ++i) {
    for (int j = 0; j < i; ++j) arr[j] = j + 1;
    for (int j = i; j < n - 1; ++j) arr[j] = j + 2;
    arr[n - 1] = i + 1;
    int comp = publish(arr), l = (base - comp + n - i - 1) / 2, rem = 0;
    for (int num : un) {
      ++rem;
      if (rem == l) {
        rem = num;
        break;
      }
    }
    order[rem] = i + 1, un.erase(rem);
  }
  for (int i = 0; i < n; ++i) if (!order[i]) order[i] = *un.begin();
  answer(order);
}

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: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30