#include "../aoc.h"
#include <iostream>
#include <sstream>
#include <vector>

int y2015_q01_p01(std::string instructions) {
  int floor = 0;

  for (const char &c : instructions) {
    floor += c == '(' ? 1 : -1;
  }

  return floor;
}

int y2015_q01_p02(std::string instructions) {
  int floor = 0;

  for (std::size_t i = 0; i < instructions.size(); i++) {
    floor += instructions[i] == '(' ? 1 : -1;
    if (floor == -1)
      return i + 1;
  }

  return -1;
}

std::vector<std::string> splitstring(std::string input, char splitter) {
  std::stringstream splitterstream(input);
  std::string segment;
  std::vector<std::string> splatstring;

  while (std::getline(splitterstream, segment, splitter)) {
    splatstring.push_back(segment);
  }

  return splatstring;
}

int y2015_q02_p01_instance(int l, int w, int h) {
  return std::min(l * w, std::min(l * h, h * w)) + 2 * l * w + 2 * l * h +
         2 * w * h;
}

int y2015_q02_p01() {
  int sum = 0;

  std::string input;
  getline(std::cin, input);

  while (input != "-1") {
    std::vector<std::string> split = splitstring(input, 'x');
    sum += y2015_q02_p01_instance(std::stoi(split[0]), std::stoi(split[1]),
                                  std::stoi(split[2]));

    getline(std::cin, input);
  }

  return sum;
}

int y2015_q02_p02_instance(int l, int w, int h) {
  return std::min(2 * (l + w), std::min(2 * (l + h), 2 * (w + h))) + l * w * h;
}

int y2015_q02_p02() {
  int sum = 0;

  std::string input;
  getline(std::cin, input);

  while (input != "-1") {
    std::vector<std::string> split = splitstring(input, 'x');
    sum += y2015_q02_p02_instance(std::stoi(split[0]), std::stoi(split[1]),
                                  std::stoi(split[2]));

    getline(std::cin, input);
  }

  return sum;
}