Biography

Xi Ruoyao is just a trivial graduated student of Xidian University.

Interests

  • Physics
  • Competitive Programming

Education

  • BEng in Aerospace Science and Technology, 2017

Recent Publications

Quan Lei, Xie Kai, Xi Ruoyao, Liu Yan (2017). Compressive light beam induced current sensing for fast defect detection in photovoltaic cells. In Solar Energy.

Poster

Recent Posts

CSP September 2020

第 20 次 CCF 计算机软件能力认证 检测点查询 问题重述 给定一个点集 $S \subset \mathbb{R}^2$，再给定一个点 $p \in \mathbb{R}^2$， 求 $S$ 中到
Last updated on Oct 5, 2020 5 min read

CCPC 2020 Online

CCPC 2020 Online Graph Theory Class 问题重述 一个完全图，点的编号是 $1$ 到 $n$，$u$ 和 $v$ 之间的边权是 $lcm(u, v)$，求其 MST。 题解 不会啊，这题真的能做吗，为什么过了几百
Last updated on Sep 24, 2020 3 min read

Different Ways to Initialize an Array, and their Performance

Discuss minor performance issues introduced by array initialization in competitive programming.
Last updated on Jul 22, 2020 8 min read

A Guide to Undefined Behavior in C and C++

This is a Chinese translation of the original article on John Regehr’s blog.
Last updated on Jan 12, 2020 23 min read

Time complexity problem

Another stupid problem can lead to some thoughts.
Last updated on Sep 13, 2019 4 min read
See all posts

Projects

Linux From Scratch book Chinese translation

Linux From Scratch (LFS) is a project that provides you with step by step instructions for building your own custom Linux system, entirely from source code. This is Chinese translation of LFS book.
Linux From Scratch book Chinese translation

Xidian University Online Judge Next Generation

This would replace HUSTOJ as the Online Judge of XDU ACM/ICPC.
Xidian University Online Judge Next Generation

Tags

cache docbook iptable lfs time-complexity Undefined Behavior Series XDOJ-next 找工作

Contact

  • gpg --recv-keys 12E9D32E766A57DC069D76B0D95E4716CCBB34DC
  • xry111@mengyan1223.wang
  • 266 Xifeng Rd., Xi'an, Shaanxi 710126