#pragma once
#include "common.h"
#include <vector>

namespace aoc2017 {

struct knot {
  int val;
  knot* next = nullptr;
  knot* prev = nullptr;
};


std::pair<int64_t, int64_t> day10(line_view);
std::pair<int64_t, int64_t> day14(line_view);
}