I'm TosakaUCW, a senior high school student from Hangzhou, China.
- ✏️ Hangzhou Xuejun Highschool
- 🌱 OIer
- 📫 How to reach me: [email protected]
TosakaUCW's blog
I'm TosakaUCW, a senior high school student from Hangzhou, China.
https://tosakaucw.github.io/Yamato/
泥泞不堪的悲伤上今日小雪仍降 泥泞不堪的悲伤上没有了梦想与追求 泥泞不堪的悲伤上未有作为暮色降
https://tosakaucw.github.io/hello_world/
hello, world 蒟蒻TosakUCW的博客算是勉强上线了 之前就有过这样的想法,但是因为懒一直没有做 后来搞了个windows下IIS搭的博客 (Hamakaze学长的主意) 顺便花了2个晚上的时间自学了html和css 并自己写了一个雏形出来 后来又花了一个晚上用html+css写了兼容移动端低分辨率下的布局 然后接着维护博客剩下的内容,然后因为各种动态页面,就猝死了 (还是因为懒)
https://tosakaucw.github.io/Mo's_Algorithm/
普通莫队 对于一个离线问题,假如当前已知 f(x,y)
并且能 \mathcal{O}(1)
的求出 f(x+1,y),f(x-1,y),f(x,y+1),f(x,y-1)
就可以考虑使用莫队
https://tosakaucw.github.io/Luogu_P5002/
给定 1 棵 N 个节点的树,并钦定 M 个点 对于被钦定的点 u
,求有多少组点对 (i,j)
的 LCA 是 u
N \leq 10^4
M \leq 5 \times 10^4
https://tosakaucw.github.io/about/
TosakaUCW, 一个浙江蒟蒻OIer现就读于杭州江南实验学校文化课被吊打, OI也被吊打
http://207.246.98.29/Anime_2019/
xjb 记记 2019 看过的动画 没有打分,纯粹是个人感想而已
https://tosakaucw.github.io/HZXJHS_Contest_2019/
Day -1第一次参加 ACM 赛制的比赛 有点小激动 复习了下数据结构 Day 0起床看到窗外白雪飘飘 看来是杭州这个冬天的初雪 在家吃完午饭打车到了学车 到校门口后另外两位队友还没来 在保安室等了 15 min 顺便想了下刚学的算法 冻死了 队友来了后一起去签到处签到 然后直接进机房准备了 学车机房都是 Linux Ubuntu 忘了看配置 自带 vscode 还是很舒服的 坐下来后发现机房里
http://207.246.98.29/Codeforces_739B/
给定一棵节点数为n
的树 这棵树的根节点为1
这棵树有点权val_i
和边权dis_i
定义dist(u,v)
为从u
到v
的简单路径上的边权和 顶点u
控制顶点v
,当且仅当v
在u
的子树中且dist(u,v) \le val_v
求每个顶点u
能控制几个顶点 1 \le n \le 2 \times 10^5
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