Template

Codeforces 常用模板

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

typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;

#define IOS ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define PRE(x) cout.setf(ios_base::fixed); cout.precision(x);
#define all(x) x.begin(), x.end()
#define all_1(x) x.begin()+1, x.end()

#define de(x)    cout << x << ' ';
#define deg(x)   cout << x << '\n';
#define debug(x) cout << #x << " = " << x << '\n';
#define line()   cout << "--------------------" << '\n';
#define print(x) for (auto i : x) cout << i << ' '; cout << "\n";
inline void NO() { static int cnt = 0; cout << "#" << setw(5) << left << ++cnt; }

#define int ll
// const int N = 1e5+10;
// const ll INF = 9e18;

void solve () {
    
}

signed main () {
    IOS
    int T;
    cin >> T;
    while (T--) {
        solve();
    }
    return 0;
}