摘要:
---恢复内容开始---Problem DescriptionSample Input2Sample Output2Hint1. For N = 2, S(1) = S(2) = 1. 2. The input file consists of multiple test cases.Source2013 Multi-University Training Contest 10题意:给出一个整数N, s(k)代表N的一个个数不超过k的拆分比如N=4, s(1)就是3, s(2)可以是(2, 2), (1, 3), (3, 1)……求s(k)(k=1~N)的总和,就是求整数N的有序拆分的总数,分 阅读全文