Submission #813574

#	Time	Username	Problem	Language	Result	Execution time	Memory
813574		Edu175	Rarest Insects (IOI22_insects)	C++17	10 / 100	331 ms	296 KiB

insects

#include "insects.h"
#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(ll i=a,ioi=b;i<ioi;i++)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define imp(v) for(auto djfhg:v)cout<<djfhg<<" ";cout<<"\n"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;
//const ll MAXN=205;

void in(ll i){
	move_inside(i);
}
void out(ll i){
	move_outside(i);
}
ll ask(){
	return press_button();
}

int min_cardinality(int N){
	ll n=N;
	vector<ll>a(n,-1);
	fore(i,0,n){
		if(a[i]!=-1)continue;
		a[i]=i;
		in(i);
		fore(j,i+1,n){
			in(j);
			if(ask()==2)a[j]=i;
			out(j);
		}
		out(i);
	}
	ll oc[n]={};
	fore(i,0,n)oc[a[i]]++;
	ll mn=n+5;
	fore(i,0,n)if(oc[i]!=0)mn=min(mn,oc[i]);
	return mn;
}

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