Submission #627658

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
627658	2022-08-12 18:12:48	sofapuden	Rarest Insects (IOI22_insects)	C++17	100 / 100	74 ms	332 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;
  vector<int> per(n);
  iota(per.begin(),per.end(),0);
  srand(time(0));
  while(l <= r){
    int m = (l+r)>>1;
    vector<int> rem;
    random_shuffle(per.begin(),per.end());
    for(int x = 0; x < n; ++x){
      int i = per[x];
      if(st[i])continue;
      sz++;
      move_inside(i);
      if(press_button() > m){
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 75 / 75