
树的直径树的重心
snowy_smile
终于在ICPC World Final里拿到了气球!
再努力一点吧,坚持下去吧,梦想是会实现的! 人生会有低谷,但我更相信,未来也会有更多梦想能够实现~
展开
-
【Codeforces Round 328 (Div 2)D】【树的直径 树的重心 贪心 两次dfs都找最小编号最远点】Super M 经过树上所有重要点的最小距离
#include#include#include#include#include#include#include#include#include#include#include#include#includeusing namespace std;void fre(){freopen("c://test//input.in","r",stdin);freopen("c:原创 2015-11-07 21:34:37 · 816 阅读 · 0 评论 -
【Codeforces Round 364 (Div 2)E】【树上路径 贪心】Connecting Universities 树上2k个点配对使得路径之和尽可能大
E.Connecting Universitiestime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputTreeland is a country in which th原创 2016-07-26 08:52:59 · 1459 阅读 · 3 评论