摘要: A "小D与笔试" 这种题目,写个Trie随便切。 cpp include include include include define N 510000 define NN 1100000 using namespace std; struct node { int lc,rc,l,r,c; }t 阅读全文
posted @ 2019-10-28 16:35 敌敌畏58 阅读(200) 评论(0) 推荐(0) 编辑