随笔分类 -  图论——prufer序列

bzoj1211 [HNOI2004]树的计数
摘要：prufer序列及其推论。参考 "there" cpp include include include include using namespace std; typedef long long ll; int n, d[155], cnt[155]; ll ans=1; vector vec[3 阅读全文
posted @ 2018-04-10 16:50 poorpool 阅读(97) 评论(0) 推荐(0)