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.

棋盘问题

I dont't want be a Iron man!!!

LIS

51nod is good.

Edit distance

I started to learn "Edit distance" though I still can't understand "LCS" enough.We will always encounter some trenches that cannot be crossed. At this time, we need to go around and wait until we are strong enough to solve this problem. This will never be the reason for us to stop.

LCS

DP is too difficult for me.

A Basic Greedy

Greedy is a exacting method for programming,though it is not so good for us.

Basic Dynamic programming

Yesterday a senior teach us about dynamic planning and i'd like to recorded this basic question.

Long Number

Oh,CF's charm is too strong,especially div3.

White-book-example

I'm studing DFS these days,it's hard to understand.For this,i'd like to paste a easy question here to understand it more.

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.