Submission #1079887

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1079887	2024-08-29 03:01:07	Gromp15	Rarest Insects (IOI22_insects)	C++17	99.89 / 100	47 ms	848 KiB

insects

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#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#include "insects.h"
using namespace std;
template<typename T> bool ckmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }
int min_cardinality(int N) {
  vector<int> groups{0};
  move_inside(0);
  for (int i = 1; i < N; i++) {
    move_inside(i);
    if (press_button() > 1) move_outside(i);
    else groups.push_back(i);
  }
  vector<int> pot(N);
  iota(all(pot), 0);
  int l = 2, r = sz(pot) / sz(groups), ans = 1;
  vector<int> got{groups};
  while (l <= r) {
    int mid = (l+r)/2;
    auto orig = got;
    for (int x : pot) {
      if (find(all(got), x) != got.end()) { 
        continue;
      }
      move_inside(x);
      if (press_button() > mid) move_outside(x);
      else got.push_back(x);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 74.89 / 75