Submission #830432

#	Time	Username	Problem	Language	Result	Execution time	Memory
830432		tolbi	Rarest Insects (IOI22_insects)	C++17	0 / 100	1 ms	208 KiB

insects

#include <bits/stdc++.h>
using namespace std;
#include "insects.h"
int min_cardinality(int N) {
    int l = 1, r = N;
    auto check = [&](int x)->bool{
        vector<int> crr;
        for (int i = 0; i < x; i++){
            crr.push_back(i);
            move_inside(i);
        }
        bool boolean=false;
        for (int i = x; i < N; i++){
            move_inside(i);
            crr.push_back(i);
            if (press_button()>x){
                move_outside(i);
                crr.pop_back();
            }
            else boolean=true;
        }
        while (crr.size()){
            move_outside(crr.back());
            crr.pop_back();
        }
        return boolean;
    };
    while (l<r){
        int mid = l+(r-l)/2;
        if (check(mid)){
            r=mid;
        }
        else {
            l=mid+1;
        }
    }
    return l;
}

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