随笔分类 -  图论_差分约束系统

ch_POJ1201 Intervals
摘要：描述可也太毒瘤了 #include<iostream> #include<cstdio> #define ri register int #define u int namespace opt { inline u in() { u x(0),f(1); char s(getchar()); whi 阅读全文
posted @ 2019-11-05 18:38 pai_hoo 阅读(120) 评论(0) 推荐(0)