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A10701 | $Santa Claus and Candies$

时间限制1s

内存限制256MB

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题目描述

Santa Claus has $n$ candies, he dreams to give them as gifts to children. What is the maximal number of children for whose he can give candies if Santa Claus want each kid should get distinct positive integer number of candies. Santa Class wants to give all $n$ candies he has.

输入格式

The only line contains positive integer number $n$ ( $1<=n<=1000$ ) — number of candies Santa Claus has.

输出格式

Print to the first line integer number $k$ — maximal number of kids which can get candies. Print to the second line $k$ distinct integer numbers: number of candies for each of $k$ kid. The sum of $k$ printed numbers should be exactly $n$ . If there are many solutions, print any of them.

输入输出样例

输入 #1

输出 #1

2
2 3

输入 #2

输出 #2

3
3 5 1

输入 #3

输出 #3

1
2

C++ 编辑器

输入

输出