Submission #1232430

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232430		badge881	Rarest Insects (IOI22_insects)	C++20	0 / 100	0 ms	408 KiB

insects

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

int n;

int posOfKFirstOf(int K)
{
    int res = 0;
    vector<int> in;
    for (int i = 0; i < n; i++)
    {
        move_inside(i);
        if (press_button() > K)
        {
            move_outside(i);
            continue;
        }
        in.push_back(i);
        res++;
    }

    for (auto &&i : in)
        move_outside(i);
    return res;
}

int min_cardinality(int N)
{
    n = N;
    int nbTypes = posOfKFirstOf(1);
    int left = 1, right = n - 1;
    while (left < right)
    {
        int mid = (left + right) / 2;
        if (posOfKFirstOf(mid) < nbTypes * mid)
            right = mid - 1;
        else
            left = mid + 1;
    }
    return left - 1;
}

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