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.

Cite Poster

Recent Posts

2021 杭电多校 (“中超联赛”) 第四场
大概过程： 开场读 K，然后发现不可做 然后读了 F，就是个最小树形图， 但是要求 $10^5$ 点还要输出以每个点为根的答案…… 然后读了 I，发现事签到题，就去写，
Last updated on Jul 29, 2021 2 min read
2021 牛客多校第 4 场
I. Inverse Pair 题意 输入一个数组，保证里面是一个排列，选择一些数组元素给他加 $1$， 最小化操作后的逆序对数。 做法 因为是一个排列，而且只能加 $1$，增加
Last updated on Jul 26, 2021 2 min read
2021 牛客多校第 3 场
F. 24dian 题意 输入 $n$ 和 $m$，输出所有从扑克牌堆抽 $n$ 张牌 ($13^n$ 种情况) 后， 获得的牌能且仅能通过中间过程有分数的四则运算得到数 $m$ 的情况。 $1 \leq n \leq 4$，$
Last updated on Jul 25, 2021 4 min read
2021 杭电多校 (“中超联赛”) 第二场
心态被搞崩了…… I love max and multiply 题意 给定长度为 $n$ 的序列 $a$ 和 $b$，让你对于 $k = 0, 1, \cdots, n - 1$ 算 $$c(k) = \max_{i \cap j \geq k} a(i) b(j)$$ 做法 把二进制数看成集合，发现 $i \cap j \geq
Last updated on Jul 23, 2021 2 min read
2021 杭电多校 (“中超联赛”) 第一场
就写了两道题，赛后过了一道，我太菜了…… zoto 题意 给定 $f: \{1, 2, \cdots, n\} \rightarrow \{0, 1, \cdots, 10^5\}$。 每次询问 $(x_0, y_0, x_1, y_1)$，问有多少不同的 $f(i)$ 满足 $x_0 \leq i \leq x_1$
Last updated on Jul 22, 2021 3 min read
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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