#include "bits/stdc++.h"
using namespace std;
#include "insects.h"
#ifdef N_N_C
#include "debug.h"
#else
#define cebug(...) "Arya"
#endif
#define ll long long
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r){
assert(l<=r);
return uniform_int_distribution<int> (l,r)(rng);
}
const int N=1e5+5;
const int mod=1e9+7;
int min_cardinality(int n){
set <int> s;
vector <int> nw,p(n);
iota(p.begin(),p.end(),0);
suffle(p.begin(),p.end(),rng);
int cad=0;
auto add = [&](int i) -> void{
int _i=p[i];
s.insert(_i);
move_inside(_i);
};
auto del = [&](int i) -> void{
int _i=p[i];
s.erase(_i);
move_outside(_i);
};
auto clear = [&]() -> void{
auto _s=s;
for(auto i:_s) del(i);
};
auto check = [&](int k) -> bool{
nw.clear();
for(int i=0; i<n; i++){
if(s.find(p[i])!=s.end()) continue;
add(i);
if(press_button()>k) del(i);
else nw.push_back(p[i]);
}
return (int)s.size()>=cad*k;
};
for(int i=0; i<n; i++){
add(i);
if(press_button()==1) cad++;
else del(i);
}
clear();
// if(cad<=9){
// vector <int> vis(n,0);
// int type=0;
// for(int i=0; i<n; i++){
// if(!vis[i]){
// vis[i]=++type;
// move_inside(i);
// for(int j=i+1; j<n; j++){
// move_inside(j);
// int val=press_button();
// if(val==2) vis[j]=type;
// move_outside(j);
// }
// move_outside(i);
// }
// }
// map <int,int> mp;
// for(int i=0; i<n; i++) mp[vis[i]]++;
// int ans=INT_MAX;
// for(auto [x,y]:mp) ans=min(ans,y);
// return ans;
// }
int l=2,r=n/cad,ans=1;
while(l<=r){
int mid=(l+r)/2;
if(check(mid)){
ans=mid;
l=mid+1;
}else{
r=mid-1;
for(auto i:nw) del(i);
}
}
return ans;
}
/** /\_/\
* (= ._.)
* / >💖 \>💕
**/
Compilation message
insects.cpp:94:9: warning: "/*" within comment [-Wcomment]
94 | /** /\_/\
|
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:27:2: error: 'suffle' was not declared in this scope
27 | suffle(p.begin(),p.end(),rng);
| ^~~~~~
