Submission #627670

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
627670	2022-08-12 18:17:21	sofapuden	Rarest Insects (IOI22_insects)	C++17	100 / 100	62 ms	416 KiB

insects

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#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
int min_cardinality(int n) {
  int am = 1;
  move_inside(0);
  vector<int> st(n,0);
  st[0] = 1;
  int sz = 1;
  for(int i = 1; i < n; ++i){
    move_inside(i);
    if(press_button() != 1)move_outside(i);
    else am++, st[i] = 1, sz++;
  }
  int l = 2, r = n/am, cur = 1;
  int cn = 0;
  while(l <= r){
    cn++;
    int m = (l+r)>>1;
    vector<int> rem;
    if(cn&1){
      for(int i = 0; i < n; ++i){
        if(st[i])continue;
        sz++;
        move_inside(i);
        if(press_button() > m){
          rem.push_back(i);
          sz--;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 75 / 75