#pragma once

#include <iostream>
#include <utility>
#include <string>

typedef std::pair<std::string, std::string> (*solution_fn)(std::istream&);
#define DECL_SOLUTION(x) std::pair<std::string, std::string> solve##x(std::istream&);

DECL_SOLUTION(1)
DECL_SOLUTION(2)