Kruskal

Who is confessing now, is confession not giving others the opportunity to refuse? If she is willing to go out with you, you will take her to the night and then hold her hand. If she is willing to hold hands with you, you will kiss her.

复读机

The game I played in the NOWCODER.COM a few days ago, the first time I met the “union-find” problem, it was solved with the help of the seniors. I have digested it in the past few days, or I wrote it on the blog first.