Submission #658601

#	Time	Username	Problem	Language	Result	Execution time	Memory
658601		pere_gil	Rarest Insects (IOI22_insects)	C++17	25 / 100	327 ms	444 KiB

insects

#include "insects.h"
#include "bits/stdc++.h"
using namespace std;

int get(int n, int x){
	int tot_in=0;
	bool in[n]={};
	for(int i=0;i<n;i++){
		move_inside(i);
		if(press_button()>x) move_outside(i);
		else{
			tot_in++;
			in[i]=true;
		}
	}
	for(int i=0;i<n;i++) if(in[i]) move_outside(i);
	
	return tot_in;
}

int min_cardinality(int n) {
	int dif=get(n,1);

	int res=n/dif;
	while(true){
		int in=get(n,res);
		if(in==res*dif) break;
		else res=in/dif;
	}
	return res;
}

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 0 / 75