公司生日会生日礼物In the years before 2020, it was common for a large number of school children (20–30 or more) to physically colocate for their math lessons. And in many a class, students were asked to compute the probability that two of them had the sam…
旧金山字体This series of articles is devoted to the study of the construction activity of the main city of Silicon Valley — San Francisco. Charts and calculations were built with the help of Jupyter Notebook (Kaggle)该系列文章专门研究硅谷主要城市旧金山的建…
题意:3 * N的格子 有一些点是坏的 用1X1和1X2的砖铺有多少种方法 题解:重新学了下轮廓线 写的很舒服 #include <bits/stdc.h>
using namespace std;
typedef long long ll;int n, m;
int vis[30][5];
ll dp[25][1 << 3];void dfs(int num, int i, int state, int n…
lambda函数,函数符两个Lambda用户的故事 (A Tale of Two Lambda Users) 故事1:业余 (Tale #1: The Amateur) One moment everything is fine, then … Bam! Your Lambda function raises an exception, you get alerted and everything changes instantl…
ai 中 统计Today I plan to cover the following topics: Linear independence, special matrices, and matrix decomposition.今天,我计划涵盖以下主题:线性独立性,特殊矩阵和矩阵分解。 线性独立 (Linear independence) A set of vectors …
twitter数据分析If you’ve written data science articles or are trying to get started, finding the most popular topics is a big help in getting your articles read. Below are the steps to easily determine what these topics are using R and the results of the …