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Noip2015信息传递（洛谷2661）

标签：dfs,模拟 题目描述 有n个同学（编号为1到n）正在玩一个信息传递的游戏。在游戏里每人都有一个固定的信息传递对象，其中，编号为i的同学的信息传递对象是编号为Ti同学。 ...

Posted by yjjr's blog on February 6, 2018

Last mile of the way（noip2017模拟题）

小A从仓库里找出了一棵n个点的有根树，1号节点为这棵树的根，树上每个节点的权值为wi,大小为ai。 现在他心中产生了Q个疑问，每个疑问形如在x的子树里，选出一些大小和不超过s的节点(不...

Posted by yjjr's blog on February 6, 2018

Hdu6082度度熊与邪恶大魔王

HDU6082度度熊与邪恶大魔王 标签：DP，背包问题 http://www.sakurasake.icoc.me/nd.jsp?id=10 Time Limit: 200...

Posted by yjjr's blog on February 6, 2018

Hdu1754 i hate it

HDU1754 I Hate It 标签：线段树 http://www.sakurasake.icoc.me/nd.jsp?id=5#_np=2_327 Ti...

Posted by yjjr's blog on February 6, 2018

Hdu1698just a hook

HDU1698 Just a Hook 标签：线段树 http://www.sakurasake.icoc.me/nd.jsp?id=6#_np=2_327 Time ...

Posted by yjjr's blog on February 6, 2018

Hdu1394 minimum inversion number

HDU1394 Minimum Inversion Number 标签：线段树，树状数组 http://www.sakurasake.icoc.me/nd.jsp?id=7#_n...

Posted by yjjr's blog on February 6, 2018

Hdu1166敌兵布阵

http://www.sakurasake.icoc.me/nd.jsp?id=4#_np=2_327 HDU1166敌兵布阵 标签：线段树 Time Limit: 2...

Posted by yjjr's blog on February 6, 2018

Codeforces897b chtholly's request

标签：模拟，数学 题目 题面传送门 — Thanks a lot for today. — I experienced so many great things. — You gave...

Posted by yjjr's blog on February 6, 2018

Codeforces897a scarborough fair

标签：模拟 题目 题面传送门 Are you going to Scarborough Fair? Parsley, sage, rosemary and thyme. Remembe...

Posted by yjjr's blog on February 6, 2018

Codeforces896a nephren gives a riddle

标签：dfs 题目 题面传送门 What are you doing at the end of the world? Are you busy? Will you save us? N...

Posted by yjjr's blog on February 6, 2018

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