Maecenas rutrum, eros quis suscipit malesuada, tortor est lacinia dolor, ac lobortis purus nibh ut est. Sed ultrices, mi vel rutrum dapibus, orci tellus vestibulum dolor, non iaculis nunc nisi id nunc. Donec in efficitur lorem. Suspendisse eros diam, tempus id lacinia at, rhoncus sit amet tortor. Phasellus in erat at massa hendrerit viverra. Curabitur gravida purus et est venenatis volutpat. Fusce ultricies metus sed lacinia aliquet. Nam ut euismod ligula, luctus porta sapien. Aenean in metus sed dolor mollis iaculis vitae nec mi. Vestibulum ultrices consequat vulputate. Ut at felis lorem.

int main()
{
    std::ifstream f("day1.txt");

    int topElf = 0;
    int topElfNum = 0;
    int curElf = 0;
    int elfNum = 1;

    for (std::string line; getline(f, line);)
    {
        if (line.length() == 0)
        {
            std::cout << elfNum << " : " << curElf << "\n";
            if (curElf > topElf)
            {
                topElfNum = elfNum;
                topElf = curElf;
            }
            curElf = 0;
            elfNum++;
        }
        else
        {
            curElf += std::atoi(line.c_str());
        }
    }

    std::cout << topElfNum << " : " << topElf << "\n";

    return EXIT_SUCCESS;
}

Код на PHP

function getMaxSum($arr) {
    rsort($arr);
    $maxSum = $arr[0];
    for ($i = 1; $i < count($arr); $i++) {
        $newSum = $maxSum + $arr[$i];
        if ($newSum <= $maxSum) {
            return $maxSum;
        }
        $maxSum = $newSum;
    }
    return $maxSum;
}

function getMaxContiguous($arr) {
    $prev_max = max($arr);
    $curr_max = 0;
    $start = 0;
    $end = 0;
    $s = 0;

    for ($i = 0; $i < count($arr); $i++)
    {
        $curr_max += $arr[$i];
        if ($prev_max < $curr_max) {
            $prev_max = $curr_max;
            $start = $s;
            $end = $i;
        }
        if ($curr_max < 0) {
            $curr_max = 0;
            $s = $i + 1;
        }
    }
    //echo $prev_max, ' start: ', $start, ' to: ', $end, PHP_EOL;
    return $prev_max;
}

Docker Compose

version: "3.8"

services:
  mysql:
    image: mysql:latest
    environment:
      MYSQL_ROOT_PASSWORD: rootpassword
      MYSQL_DATABASE: mydatabase
      MYSQL_USER: user
      MYSQL_PASSWORD: password
    ports:
      - "3306:3306"
    volumes:
      - mysql_data:/var/lib/mysql

  postgres:
    image: postgres:latest
    environment:
      POSTGRES_DB: mydatabase
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data

  mongodb:
    image: mongo:latest
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: rootpassword
    ports:
      - "27017:27017"
    volumes:
      - mongo_data:/data/db

volumes:
  mysql_data:
  postgres_data:
  mongo_data:

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