#include <bits/stdc++.h> #include "insects.h" using namespace std; random_device seed; mt19937 rng(seed()); vector <int> rest; void check(int x, int dist) { move_inside(x); if (press_button() != dist) { rest.push_back(x); move_outside(x); } } int min_cardinality(int N) { rest.clear(); for (int i = 0; i < N; i++) check(i, 1); int ans = 1, cnt = N - rest.size(); while(rest.size()) { vector<int> rest2 = rest; rest.clear(); shuffle(rest2.begin(), rest2.end(), rng); for(int i = 0; i < rest2.size(); i++) { if(i<rest.size()+cnt) check(rest2[i], ans+1); else rest.push_back(rest2[i]); } if (rest2.size() < rest.size() + cnt) return ans; ans++; } return ans; }

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:23:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for(int i = 0; i < rest2.size(); i++) {
      |                        ~~^~~~~~~~~~~~~~
insects.cpp:24:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             if(i<rest.size()+cnt)
      |                ~^~~~~~~~~~~~~~~~