Submission #796209

#	Time	Username	Problem	Language	Result	Execution time	Memory
796209		ln_e	Rarest Insects (IOI22_insects)	C++17	0 / 100	320 ms	416 KiB

insects

#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho
#include "insects.h"
using ll=long long;
using ld=long double;
int const INF=1000000005;
ll const LINF=1000000000000000005;
ll const mod=1000000007;
ld const PI=3.14159265359;
ll const MAX_N=3e5+5;
ld const EPS=0.00000001;
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define endl '\n'
#define sz(a) (int)a.size()
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
int min_cardinality(int N) {
  vector<ll>v;
  for(ll i=0;i<N;i++)
  {
    v.pb(i);
    move_inside(i);
  }
  ll last=0;
  while(1!=0){
    int x=press_button();
    if(x==v.size()){
      //out<<v.size()<<endl;
      return x;
    }else {
      vector<int>remove;
      while(press_button()==x&&v.size()>=1){
        //cout<<v.back()<<endl;
        move_outside(v.back());
        remove.pb(v.back());
        v.pop_back();
        }
       ll val=remove.back();
      for(ll i=0;i<v.size();i++)
      {
        move_outside(v[i]);
      }
      move_inside(val);
      map<ll,ll>viz;
      for(ll i=0;i<v.size();i++){
        move_inside(v[i]);
        ll val=press_button();
        if(val==2){
          viz[v[i]]=1;
        }
        move_outside(v[i]);
      }
      move_outside(val);
      vector<ll>nw;
      for(ll i=0;i<v.size();i++)
      {
        if(viz[v[i]]==0){
          nw.pb(v[i]);
          move_inside(v[i]);
        }
      }
      v=nw;
        for(ll i=0;i<remove.size()-1;i++)
       {
        v.pb(remove[i]);
        move_inside(v[i]);
      }
    }
  }
}

Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:31:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     if(x==v.size()){
      |        ~^~~~~~~~~~
insects.cpp:43:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |       for(ll i=0;i<v.size();i++)
      |                  ~^~~~~~~~~
insects.cpp:49:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |       for(ll i=0;i<v.size();i++){
      |                  ~^~~~~~~~~
insects.cpp:59:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |       for(ll i=0;i<v.size();i++)
      |                  ~^~~~~~~~~
insects.cpp:67:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for(ll i=0;i<remove.size()-1;i++)
      |                    ~^~~~~~~~~~~~~~~~
insects.cpp:28:6: warning: unused variable 'last' [-Wunused-variable]
   28 |   ll last=0;
      |      ^~~~

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