cf_template.cpp

#include <bits/stdc++.h>
using namespace std;

using dbl = double;
using ll = long long;
using str = string;
using ch = char;
using vll = vector<ll>;
using pll = pair<ll, ll>;
using mpll = map<ll, ll>;
using vpll = vector<pll>;
#define eb emplace_back
#define fo(i, k, n) \
  for (ll i = k; k < n ? i < n : i > n; k < n ? i += 1 : i -= 1)
#define tin(a, n) fo(i, 0, n) cin >> a[i]
#define all(v) v.begin(), v.end()
#define yes cout << "YES" << endl
#define no cout << "NO" << endl
#define f first
#define s second

void solve() {}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  cout.tie(0);

  ll t;
  cin >> t;
  while (t--) {
    solve();
  }

  return 0;
}