default.hpp

#pragma once

#include <algorithm>
#include <iostream>
#include <sys/wait.h>
#include <vector>
#include <string>
#include <fstream>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <stack>
#include <queue>
#include <utility>
#include <limits>
#include <list>
#include <functional>

/** Using interfaces from std. */
using std::cerr;
using std::cin;
using std::cout;
using std::endl;
using std::ifstream;
using std::list;
using std::map;
using std::numeric_limits;
using std::pair;
using std::queue;
using std::set;
using std::stack;
using std::stoi;
using std::string;
using std::unordered_map;
using std::unordered_set;
using std::vector;

/** Aliases */
using UINT64 = uint64_t;

using vi = vector<int>;
using vvi = vector<vi>;
using ii = pair<int, int>;