Submission #726094

#	Time	Username	Problem	Language	Result	Execution time	Memory
726094		TheSahib	Rarest Insects (IOI22_insects)	C++17	10 / 100	390 ms	308 KiB

insects

#include "insects.h"
#include <bits/stdc++.h>

using namespace std;


int min_cardinality(int N) {
    vector<int> types;
    vector<int> left;
    for (int i = 0; i < N; i++)
    {
        move_inside(i);
        if(press_button() > 1){
            left.push_back(i);
            move_outside(i);
        }
        else{
            types.push_back(i);
        }
    }
    if(types.size() == 1) return N;
    for (int i = 2; i <= N / types.size() + 1; i++)
    {
        vector<int> tmp;
        for(int a:left){
            move_inside(a);
            if(press_button() > i){
                move_outside(a);
                tmp.push_back(a);
            }
        }
        if(N - tmp.size() < types.size() * i){
            return i - 1;
        }
        left = tmp;
    }
    return N;
}

Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for (int i = 2; i <= N / types.size() + 1; i++)
      |                     ~~^~~~~~~~~~~~~~~~~~~~~~~

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