#include <bits/stdc++.h>
#include "meetings.h"
int col[2005];
int n;
using namespace std;
void solve(int id, int sz){
if (sz == 1) return;
vector<int> v(sz);
int ct = 0;
for (int i = 0; i < n; i++){
if (col[i] == id) v[ct++] = i;
if (sz == 2 && ct == 2){
if (v[0] > v[1]) swap(v[0],v[1]);
Bridge(v[0],v[1]);
return;
}
}
/*printf("solving ");
for (auto x : v) printf("%d ",x);
printf("\n");*/
random_shuffle(v.begin(),v.end());
int p = v[0], q = v[1];
//printf("cur %d, root %d\n",cur,root);
for (auto x : v){
if (x == p || x == q) continue;
int Q = Query(p,q,x);
if (Q != p) q = Q;
}
//printf("cur %d, root %d\n",cur,root);
if (p > q) swap(p,q);
Bridge(p,q);
int lct = 1, rct = 1;
for (auto x : v){
if (x == q || x == p) continue;
int Q = Query(p,q,x);
if (Q == p) {col[x] = 2*id; lct++;}
else {col[x] = 2*id+1; rct++;}
}
col[p] = 2*id;
col[q] = 2*id+1;
solve(2*id,lct);
solve(2*id+1,rct);
}
void Solve(int N) {
n = N;
for (int i = 0; i < N; i++) col[i] = 1;
solve(1,n);
}
