#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int)(x).size())
#define all(x) x.begin(), x.end()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int use_detector(int x);
void compute(int l, int r, int ql, int qr, vector<int>& ans){
if(l == r){
ans[ql] = 2 * (l - 1 - ans[ql - 1]) + ans[ql - 1];
return;
}
int m = (l + r) / 2;
int idx = use_detector(m);
if(idx < ql){
compute(m + 1, r, ql, qr, ans);
} else if(ql <= idx){
compute(l, m, ql, idx, ans);
if(ans[idx] != -1){
idx++;
}
compute(m + 1, r, idx, qr, ans);
}
}
vector<int> find_routers(int l, int n, int q){
vector<int> ans(n, -1);
ans[0] = 0;
compute(1, l, 1, n-1, ans);
return ans;
}
