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Roads in the North(树的直径)(暂存)
Roads in the North Building and maintaining roads among communities in the far North is an expensive business. With this in mind, the roads are build such that there is only one route from a village t...原创 2019-07-25 20:50:16 · 106 阅读 · 0 评论 -
Cow Marathon(树的直径)(暂存)
Cow Marathon After hearing about the epidemic of obesity in the USA, Farmer John wants his cows to get more exercise, so he has committed to create a bovine marathon for his cows to run. The marathon ...原创 2019-07-25 20:15:30 · 257 阅读 · 0 评论 -
Summer Vacation(贪心 优先队列)
Summer Vacation 贪心 优先队列 题目链接 这道题用普通的贪心会wa,需要加优先队列,好像是因为在结构体排序之后还有其他规律,因为不是很了解优先队列。。。补完优先队列再来 #include<iostream> #include<algorithm> #include<queue> using namespace std; priority_...原创 2019-09-28 21:35:20 · 246 阅读 · 0 评论