摘要：
看一下中文版的题目就好，英文题目太晦涩了。 有两种方法可以解题 一种是贪心+优先队列 另一种是贪心+并查集 优先队列 需要说的都在代码注释里 #include<cstdio> #include<queue> #include<algorithm> using namespace std; struc 阅读全文
摘要：
TT and FF are ... friends. Uh... very very good friends -________-b FF is a bad boy, he is always wooing TT to play the following game with him. This 阅读全文
摘要：
Bessie noted that although humans have many universities they can attend, cows have none. To remedy this problem, she and her fellow cows formed a new 阅读全文