Submission #604303

#	Time	Username	Problem	Language	Result	Execution time	Memory
604303		Plurm	Art Collections (BOI22_art)	C++17	20 / 100	135 ms	208 KiB

art

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

void solve(int N) {
  vector<int> order(N);
  iota(order.begin(), order.end(), 1);
  int K = sqrt(N);
  for (int num = 1; num <= N; num++) {
    int idx = find(order.begin(), order.end(), num) - order.begin();
    order.erase(order.begin() + idx);
    order.insert(order.begin(), num);
    int last = publish(order);
    for (int i = 1; i < N; i++) {
      swap(order[i - 1], order[i]);
      if (i % K == 0 || true) {
        int cur = publish(order);
        if (cur >= last) {
          int mn = 1e9;
          int midx = -1;
          for (int j = i; j > max(0, i - K); j--) {
            swap(order[j - 1], order[j]);
            int ncur = publish(order);
            if (ncur < mn) {
              mn = ncur;
              midx = j;
            }
          }
          for (int j = max(0, i - K) + 1; j < midx; j++) {
            swap(order[j - 1], order[j]);
          }
          break;
        }
        last = cur;
      }
    }
  }
  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: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30