#include "island.h" #include<bits/stdc++.h> using namespace std; void solve(int N, int L) { vector<bool> vis(N+1); vis[1]=1; vector<int>ord; for(int i = 1; i < N; i++)ord.push_back(query(1,i)); //for(auto u : ord)cout<<u<<' '; cout<<'\n'; for(int i = 0; i < N-1; i++){ int cur = ord[i]; if(vis[cur])continue; vis[cur] = 1; vector<int>tmp; for(int j = 1; j < N; j++){ int c = query(cur, j); tmp.push_back(c); answer(cur,c); if(vis[c])break; } for(auto u : tmp)vis[u]=1; } }