Лимит времени 2000/4000/4000/4000 мс. Лимит памяти 65000/65000/65000/65000 Кб.
Question by Ibrahim Mesecan.
Сложность Альфа
Telephone Calls
Mr. Tafaj has gone for a trip abroad. He wants to call his family from a call center.
The rates change according to the minute you talked:
- The first 3 minutes is $6
- Every additional 10 seconds is $0.5
Question:
Write a program that is going to get the total seconds (seconds) talked. And then, it will print the amount due from the user.
Input specification
You will be given an integer number (seconds) where 0 ≤ seconds ≤ 20000
Output specification
Calculate and show the amount due from the user.
Sample Input I
190
|
Sample Input II
191
|
Sample Output I
6.5 |
Sample Output II
7 |
Для отправки решений необходимо выполнить вход.
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