Codeforces Round #175 (Div. 2) A. Slightly Decreasing Permutations（构造，简单）
摘要：
A. Slightly Decreasing Permutationstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPermutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct positive integers, each of them doesn't exceed n. We'll denote the i- 阅读全文
posted @ 2013-03-28 23:45 铁树银花 阅读(352) 评论(0) 推荐(0) 编辑
