CF225B.Well-known Numbers
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题目描述
Numbers k -bonacci ( k is integer, k>1 ) are a generalization of Fibonacci numbers and are determined as follows:
- F(k,n)=0 , for integer n , 1<=n<k ;
- F(k,k)=1 ;
- F(k,n)=F(k,n−1)+F(k,n−2)+...+F(k,n−k) , for integer n , n>k .
Note that we determine the k -bonacci numbers, F(k,n) , only for integer values of n and k .
You've got a number s , represent it as a sum of several (at least two) distinct k -bonacci numbers.
输入格式
The first line contains two integers s and k (1<=s,k<=10^{9}; k>1) .
输出格式
In the first line print an integer m (m>=2) that shows how many numbers are in the found representation. In the second line print m distinct integers a1,a2,...,am . Each printed integer should be a k -bonacci number. The sum of printed integers must equal s .
It is guaranteed that the answer exists. If there are several possible answers, print any of them.
输入输出样例
输入#1
5 2
输出#1
3 0 2 3
输入#2
21 5
输出#2
3 4 1 16