This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
int k;
void wyczysc(set<int>&sett){
for(auto j: sett)
move_outside(j);
sett.clear();
}
int min_cardinality(int n) {
set<int>srodek;
vector<int>pozostale;
move_inside(0);
srodek.insert(0);
k = 1;
for(int i=1;i<n;i++){
move_inside(i);
if(press_button()>1){
pozostale.push_back(i);
move_outside(i);
}
else{
k++;
srodek.insert(i);
}
}
int wys = 1;
//k*5>=n to mozna od razu zrobic
if(k*5>=n){
for(int i=0;i<4;i++){
int k1 = 0;
wyczysc(srodek);
vector<int>jeszcze;
for(auto j: pozostale)jeszcze.push_back(j);
pozostale.clear();
for(auto j: jeszcze){
move_inside(j);
if(press_button()>1){
pozostale.push_back(j);
move_outside(j);
}
else{
k1++;
srodek.insert(j);
}
}
if(k1==k)wys++;
else
return wys;
}
return wys;
}
n-=k*wys;
while(n>=k){
int k1 = 0;
int srodekH = (n+2*k-1)/(2*k);
wyczysc(srodek);
vector<int>nadmiar;
vector<int>jeszcze;
for(auto j: pozostale)jeszcze.push_back(j);
pozostale.clear();
for(auto j: jeszcze){
move_inside(j);
if(press_button()>srodekH){
nadmiar.push_back(j);
move_outside(j);
}
else{
srodek.insert(j);
k1++;
}
}
if(k1==k*srodekH){
wyczysc(srodek);
n-=k*srodekH;
wys+=srodekH;
pozostale = nadmiar;
}
else{
for(auto j: srodek){
pozostale.push_back(j);
}
wyczysc(srodek);
}
}
return wys;
}
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