Submission #1188226

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188226		ByeWorld	Rarest Insects (IOI22_insects)	C++20	10 / 100	67 ms	444 KiB

insects

#include "insects.h"
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define fi first
#define se second
#define lf ((id<<1))
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
using namespace std;
const int MAXN = 3e5+10;
const ll MOD = 1e9+2022;
ll sum(ll a, ll b){ return (a+b)%MOD;}
void chsum(ll &a, ll b){ a = (a+b)%MOD;}
ll mul(ll a, ll b){ return (a*b)%MOD; }
void chmul(ll &a, ll b){ a = (a*b)%MOD;}
void chmn(auto &a, auto b){ a = min(a, b); }
void chmx(auto &a, auto b){ a = max(a, b); }

int n, ANS;
vector<int>vec;
bool ty[MAXN];

int min_cardinality(int N) {
	n = N; ANS = n;

	for(int i=0; i<n; i++) vec.pb(i);

	while(!vec.empty()){
		for(auto in : vec) move_inside(in);
		int mx = press_button();
		chmn(ANS, mx);
		for(auto in : vec) move_outside(in);

		for(int i=0; i<n; i++) ty[i] = 0;
		vector<int> idx;
		for(int i=0; i<vec.size(); i++){
			move_inside(vec[i]);
			if(press_button() == mx){
				ty[vec[i]] = 1;
				idx.pb(vec[i]); move_outside(vec[i]);
				// tandain ini paling kanan dr typenya
			}
		}
		for(auto in : vec){
			if(ty[in]) continue;
			move_outside(in);
		}
		for(auto in : idx) move_inside(in); // penting aj
		for(auto in : vec){
			if(ty[in]) continue;
			move_inside(in);
			if(press_button() == 2) ty[in] = 1; // max
			move_outside(in);
		}

		vector<int> vec2;
		for(auto in : vec){
			if(ty[in]) continue;
			vec2.pb(in);
		}
		swap(vec, vec2);
	}

	return ANS;
}

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