2019年2月28日
P2486 [SDOI2011]染色
摘要： "P2486染色" 细节较多，线段树 $pushup$ 时不仅要更新 $kinds$ 还要更新 $lco$ 与 $rco$. cpp include include include include include include include include using namespace std 阅读全文
posted @ 2019-02-28 07:34 茶Tea 阅读(108) 评论(0) 推荐(0) 编辑