Submission #714101

#	Time	Username	Problem	Language	Result	Execution time	Memory
714101		Pherokung	Rarest Insects (IOI22_insects)	C++17	Compilation error	0 ms	0 KiB

insects

#include "insects.h"
#include<bits/stdc++.h>
#define pb push_back
using namespace std;
int min_cardinality(int n) {
  int type = 0;
  vector<int> in,out,in_temp,out_temp;
  for(int i=0;i<n;i++){
    move_inside(i);
    if(press_button() > 1) move_outside(i), out.pb(i);
    else type++, in.pb(i);
  }
  int be = 1, ed = n/type;
  while(be <= ed){
    int mid = (be+ed)/2, cnt = in.size();
    in_temp.clear(), out_temp.clear();
    for(auto x : out){
      move_inside(x);
      if(press_button() > mid) move_outside(x), out_temp.pb(x);
      else cnt++, in_temp.pb(x);
      if(cnt == mid * type) break;
    }
    if(cnt == mid * type){
      be = mid+1;
      in += in_temp;
      out = out_temp;
    }
    else{
      ed = mid-1; 
      out = in_temp;
    }
  }
  return ed;
}

Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:25:10: error: no match for 'operator+=' (operand types are 'std::vector<int>' and 'std::vector<int>')
   25 |       in += in_temp;
      |       ~~~^~~~~~~~~~