#include "light.h" #include<bits/stdc++.h> using namespace std; #define ll long long #define inf (ll)2e18 #define nl '\n' ll n = 1; void prepare(){ return; } pair<ll, vector<ll>> join(ll x){ n += x; vector<ll> v; for(ll i = 1; i < n; i++) if(i % 5 == 1) v.push_back(i); v.push_back(n); return {5 * x, v}; } pair<ll, vector<ll>> leave(ll x){ n -= x; vector<ll> v; for(ll i = 1; i < n; i++) if(i % 5 == 1) v.push_back(i); v.push_back(n); return {5 * x, v}; }