原題: https://leetcode.com/problems/count-unhappy-friends/ from Bloomberg

原題: https://leetcode.com/problems/min-cost-to-connect-all-points/ from Directi

在今天之前，我都還是用AWS Amplify default的網域(domain name)。今天想說該把這個網站上線了，上GoDaddy跟Google比價一下之後，就在Google買了這個網域。買完之後想上Amplify設定一下，才發現他提示我去Amazon Route 53找…，一整個傻眼。

今天在用vim寫程式的時候，想要一次就把patch檔前面的”+”號去掉，但從來沒用過，因此上網查了一下，基本上就是參考這篇

This is our capstone project. In this project, our main goal is to experience the software development process, including project planning, project tracking, requirements elicitation, architecture design, implementation, testing, and deployment.

This is an assignment from CMU 16720-A. In this assignment, we are going to implement an object tracker by using Inverse Compositional Lucas & Kanade algorithm.