### **Discription** Given a matrix `A`, return the transpose of `A`. The transpose of a matrix is the matrix flipped over it's main diagonal, switching the row and column indices of the matrix. **E

题目大意： 给出一个$n*m$的方格，每个格子可以填$1$到$p$的一种颜色。问使得任意两列都出现至少$q$种颜色的涂色方案。 $70：n\leq100,m\leq1000,q\leq p\leq 100$ $100：n\leq100,m\leq10^9,q\leq p\leq 100$ 题解： 先考虑70分的做法。 设$g[i]$表示一列放$i$种颜色的方案数 设$f[i][j]$表示前i列都

### **Discription** Starting with a positive integer `N`, we reorder the digits in any order (including the original order) such that the leading digit is not zero. Return `true` if and only if we c

ubuntu16.04配置vsftp服务器 安装vsftpd 安装 sudo apt-get install vsftpd 配置 /etc/vsftp.conf # 允许匿名用户和本地用户登录，本地用户即/etc/passwd中的用户anonymous_enable=YESlocal_enable=YES# 禁止全局写命令write_enable=YES# 禁止匿名用户上传和创建文件夹anon_upload_enable=NOanon_mkdir_write_enable=NO# 只允许userlist的用户登录userlist_enable=YESuserlist_de

# 摘要 本文旨在最快学会使用python,第十天 ``` ```

高端机有时候进战斗卡顿，出战斗后，进战斗就一直卡顿，没有复现，有待分析原因 战斗过程中会卡顿 spine 异步加载  郭立阳 8.17 战斗spine异步加载接入  关峰  8.20 接入后看效果 战斗帧率 spine 顶点 减少无用顶点 具体顶点数量需要有一个指标 需要有详细的测试结果和说明 - 8.17 白明江出个结论 填充定点 ？

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