It takes about half minute for solution 1 to get the result.
In Germany the currency is made up of euro (€) and cent (ct) further more there are eight coins in general circulation: 1ct, 2ct, 5ct, 10ct, 20ct, 50ct, 1€ (100ct) and 2€ (200ct). It is possible to make 2€ in the following way:
1×1€ + 1×50ct + 2×20ct + 1×5ct + 1×2ct + 3×1ct
How many different ways can 2€ be made using any number of coins? solution: http://avonme.org/lib/git/sample/test1.php source: test1.js
Six Snacks is a restaurant chain with 5 locations. Every day the local store manager has to send the amount of meals and the money they made to the server at the Six Snacks headquarters.
In the folder six_snacks/ you will find the kpi of the last 500 days.
Process the data and write down what you would tell each store manager.
solution: http://avonme.org/lib/git/sample/test2.php
Old MacDonald had a farm ... two wind turbines and a solarpanel. Beside his farming business he is making good money with renewable energy and so he considers to invest more money in wind turbines and solarpanels. To get a better monitoring for his power plants, he want's you to write a tool which tells him about the kpi (money, kwh, status, service, ...) of his business. Wind Turbines
service: after every 1000h
money per kwh: 0.2105 €
operating costs: 3500 €/year
Solarpanel
service: after every 2500h
money per kwh: 0.2105 €
operating costs: 1500 €/year
Every hour the power plants send a HTTP(S) POST request to an url of your choice. The requests carry the following data: Wind Turbines Example
{
"id": "9asn71h2d8",
"name": "Wind Turbine 1",
"power": 3.17,
"hours_of_sunlight": 0.7
}
Solar Panel Example
{
"id": "987bksd9z8",
"name": "Solarpanel 1",
"power": 1.03,
"hours_of_sunlight": 0.03
}
Example Request
curl -X POST -H "Content-Type: application/json" -d '{
"id": "987bksd9z8",
"name": "Solarpanel 1",
"power": 1.03,
"hours_of_sunlight": 0.03
}' "http://localhost/your-url"