https://www.luogu.com.cn/problem/P6095 https://www.luogu.com.cn/problem/P4070 */ suffixArray := func(s string) { // 后缀数组 sa // sa[i] 表示后缀字典序中的第 i 个字符串在 s 中的位置 // 特别地,后缀 s[sa[0]:] 字典序最小,后缀 s[sa[n-1]:] 字典序最大 //sa...
option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5201 树上移动 move on tree https://codeforces.com/problemset/problem/1774/E https://en.wikipedia.org/wiki/Tree_traversal#Pre-order,_NLR 前序中序构造二叉树 + 判定是否合法 https://atcoder.jp/contests/ab...
Royal Opera House 皇家歌剧院https://www.roh.org.uk/news/the-royal-opera-house-launches-a-programme-of-free-online-content-for-the-culturally-curious-at-home从27号开始,每周一部。节目单: Peter and the Wolf, The Royal Ballet, 2010 – 27 March 2020, 7...