Advent-of-Code/2022/11/main.cpp

#include <fstream>
#include <iostream>
#include <set>
#include <string>
#include <vector>

enum Operation {
	ADD,
	MULTIPLY,
};

class Monkey {
public:
	Monkey(const std::vector<int> &starting_items, Operation operation_type, int operation_amount,
	       int division_by, int true_monkey, int false_monkey)
		: items(starting_items), operation_type(operation_type), operation_amount(operation_amount),
		  division_by(division_by), true_monkey(true_monkey), false_monkey(false_monkey)
		{
		}

	friend std::ostream& operator<<(std::ostream &out, const Monkey &monkey);

private:
	std::vector<int> items;

	Operation operation_type;
	int operation_amount;

	int division_by;

	int true_monkey;
	int false_monkey;
};

std::vector<int> ParseItems(const std::string &line);
std::pair<Operation, int> ParseOperation(const std::string &line);
int ParseDivisibleBy(const std::string &line);
int ParseTrue(const std::string &line);
int ParseFalse(const std::string &line);

int main()
{
	std::ifstream ifs("data.txt");
	if(!ifs.is_open())
	{
		std::cerr << "Missing data.txt." << std::endl;
		return -1;
	}

	unsigned long total = 0;
	unsigned long total_pt2 = 0;

	std::vector<Monkey> monkeys;
	int line_num = 0;
	std::vector<std::string> buf;
	for(std::string line; std::getline(ifs, line); )
	{
		if(line == "")
		{
			if(buf.size() == 5)
			{
				auto op = ParseOperation(buf[2]);
				monkeys.push_back(Monkey(//std::atoi(buf[0].substr(7, buf[0].size() - 7).c_str()),
				                         ParseItems(buf[1]),
				                         op.first,
				                         op.second,
				                         ParseDivisibleBy(buf[3]),
				                         ParseTrue(buf[4]),
				                         ParseFalse(buf[5])));
				buf.clear();
			}
			continue;
		}
		else if(line.starts_with(" "))
			buf.push_back(line);
	}

	for(const auto &monkey : monkeys)
		std::cout << monkey << std::endl;

	std::cout << "    Total: " <<     total << std::endl;
	std::cout << "PT2 Total: " << total_pt2 << std::endl;

	return 0;
}

std::ostream& operator<<(std::ostream &out, const Monkey &monkey)
{
	out << "  Starting items: ";
	for(auto item : monkey.items)
		out << item << ", ";
	return out;
}

std::vector<int> ParseItems(const std::string &line)
{
	return {};
}
std::pair<Operation, int> ParseOperation(const std::string &line)
{
	return { Operation::ADD, 0 };
}
int ParseDivisibleBy(const std::string &line)
{
	return 1;
}
int ParseTrue(const std::string &line)
{
	return 1;
}
int ParseFalse(const std::string &line)
{
	return 1;
}