Submission #1175214

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1175214	2025-03-28 06:36:58	onlk97	Rarest Insects (IOI22_insects)	C++17	99.95 / 100	15 ms	520 KiB

insects

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#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
int baseval;
set <int> rem;
int init(int n){
    vector <int> v;
    v.push_back(0);
    move_inside(0);
    for (int i=1; i<n; i++){
        move_inside(i);
        if (press_button()==1) v.push_back(i);
        else move_outside(i);
    }
    baseval=1;
    for (int i=0; i<n; i++) rem.insert(i);
    for (int i:v) rem.erase(i);
    return v.size();
}
int min_cardinality(int N){
    int m=init(N);
    int l=1,r=N/m;
    while (l<r){
        int mid=(l+r+1)/2;
        vector <int> in,out;
        bool done=0;
        for (int i:rem){
            move_inside(i);
            if (press_button()>mid){
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 74.95 / 75