Submission #628166

#	Time	Username	Problem	Language	Result	Execution time	Memory
628166		sword060	Rarest Insects (IOI22_insects)	C++17	0 / 100	0 ms	208 KiB

insects

#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
void move_inside(int);
void move_outside(int);
int press_button();
int min_cardinality(int x) {
  map<int,int>mp;
  int ans=1e9,lst=1;
  for(int i=0;i<x;i++)move_inside(i);
  int z=press_button();
  ans=z;
  while(mp.size()!=x){
  for(int i=0;i<x;i++){
    if(mp[i])continue;
    move_outside(i);
    int c=press_button();
    if(c!=z){
      mp[i]=1;
      for(int j=i-1;j>=0;j--){
        move_inside(j);
        if(press_button()!=c){
          mp[j]=1;
        }else{
          move_inside(j);
        }
      }
      z=c;ans=min(ans,c);
      break;
    }
  }
  }
  return ans;
}

Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:13:18: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   13 |   while(mp.size()!=x){
      |         ~~~~~~~~~^~~
insects.cpp:9:15: warning: unused variable 'lst' [-Wunused-variable]
    9 |   int ans=1e9,lst=1;
      |               ^~~

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