摘要: D题 - Difference 题意:给你两个数$x$, $K$个数和一个公式$$f(y, K) = \sum_{z\text{ in every digits of }y} z^K (f(233, 2) = 2^2 + 3^2 + 3^2 = 22)$$ 要求你找出所有满足$$x = f(y, K 阅读全文
posted @ 2018-12-05 11:57 UtopioSPH 阅读(221) 评论(0) 推荐(0) 编辑