Submission #858737

#	Time	Username	Problem	Language	Result	Execution time	Memory
858737		temporary1	Rarest Insects (IOI22_insects)	C++17	10 / 100	218 ms	1236 KiB

insects

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

int cnt;
set<int> st;
vector<int> due;

int min_cardinality(int n) {
    move_inside(0);
    cnt = 1;
    int k;
    for (int i = 1; i < n; ++i) {
        move_inside(i);
        k = press_button();
        if (k == 1) {
            ++cnt;
        } else {
            move_outside(i);
            st.insert(i);
        }
    }
    if (cnt == 1) {
      return n;
    }
    int max1 = (n-k)/(cnt-1);
    for (int i = 2; i <= max1; ++i) {
        int curcnt = 0;
        /*printf("%d\n",i);
        for (auto it : st) {
          printf("%d ",it);
        }
        printf("\n");*/
        for (auto it : st) {
            move_inside(it);
            if (press_button() == i) {
                due.push_back(it);
                ++curcnt;
            } else {
                move_outside(it);
            }
        }
        if (curcnt < cnt) {
            return i-1;
        }
        for (auto it : due) {
          st.erase(it);
        }
    }
    return max1;
}

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