text: // This file should be included in all test files
  // as it contains the same inclusions and definitions
  // as the contest template file.
  #pragma once
  
  #include <bits/stdc++.h>
  using namespace std;
  
  #define rep(i, a, b) for(int i = a; i < (b); ++i)
  #define all(x) x.begin(), x.end()
  #define sz(x) (int)(x).size()
  
  typedef long long ll;
  typedef pair<int, int> pii;
  typedef vector<int> vi;
  