A11486. Perfect Number
编程题
普及/提高-
知识点
题目描述
We consider a positive integer perfect, if and only if the sum of its digits is exactly $10$ . Given a positive integer $k$ , your task is to find the $k$ -th smallest perfect positive integer.
输入格式
A single line with a positive integer $k$ ( $1<=k<=10000$ ).
输出格式
A single number, denoting the $k$ -th smallest perfect integer.
输入输出样例
输入 #1
1
输出 #1
19
输入 #2
2
输出 #2
28
说明/提示
The first perfect integer is $19$ and the second one is $28$ .