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22/11/2024 11:22:20
1635. Candy shop
Candy shop
Вывод формулыОлимпиадные задачи на английском языке
| 04/07/2011 | Лето 2011 - дорешивание (11B) |
| 18/07/2011 | Лето 2011 - 11 (B) |
Ограничения: время – 1s/2s, память – 32MiB Ввод: input.txt или стандартный ввод Вывод: output.txt или стандартный вывод 
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Mirko buys a lot of candy in the candy shop. He cannot always pay the exact ammount so the
shopkeeper and he have an agreement. He tells the shopkeeper the smallest bill he has, and she rounds
his ammount to the nearest number he can pay. For example, if the smallest bill Mirko has is a hundred
bill, and he wants to buy 150 Kunas of candy, the shopkeeper rounds his ammount to 200 Kunas. If he
wants to buy 149 Kunas of candy, the shopkeeper rounds his ammount to 100 Kunas.
Lately, Mirko suspects the shoopkeeper is trying to cheat him. He asked you to help him. Write a
program that will help him.
His mother only gives Mirko `1`, `10`, `100`, `1\ 000`, … , `1\ 000\ 000\ 000` Kuna bills. He never has bills that are
not powers of 10. The bills he does have, he has in large ammounts.
Input
The first and only line of input contains two integers, `C` (`0\ ≤\ C\ ≤\ 1\ 000\ 000\ 000`), the price of candy
Mirko is going to buy, and `K` (`0\ ≤\ K\ ≤\ 9`), number of zeros on the smallest bill Mirko has.
Output
The first and only line of output should contain one integer, C rounded to the nearest amount Mirko
can pay.
Sample Input 1
184 1
Sample Output 1
180
Sample Input 2
123450995 1
Sample Output 2
123451000
Sample Input 3
182 2
Sample Output 3
200
