In mathematics you don't understand things, you just get used to them.

Copyright Quack.拟阵?type=header拟阵的定义与常见性质 & 拟阵交算法拟阵的定义与常见性质独立集系统和拟阵定义独立集系统$S=(E,\mathcal{I})$,$E$是...

讲课讲得非常清楚啊,我绝赞膜拜。节奏可以,思路清晰,解法自然,为讲师点赞。第一个题是 loj3282 / joisc2020 - Treatment Project。原问题由 $\left(S,...