#include "park.h"
#include <bits/stdc++.h>
using namespace std;
void Detect(int T, int N) {
mt19937 rng(69);
auto dnc = [&rng,N](auto &self, vector<int> loc, int st, int nd) -> void {
if(loc.empty()) {
Answer(min(st,nd), max(st,nd));
return;
}
int x = loc[rng() % loc.size()];
vector<int> a, b;
for(auto i: loc) if(i != x) {
int place[N];
fill(place,place+N,1);
place[i] = 0;
if(Ask(min(st,x), max(st,x), place))
b.push_back(i);
else
a.push_back(i);
}
self(self, a, st, x);
self(self, b, x, nd);
};
vector<int> v(N-2);
iota(v.begin(),v.end(),1);
dnc(dnc,v,0,N-1);
}
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