All good things must come to an end. 好景无常. Love is when the other person's happiness is more important than your own. 情是君喜胜于己欢. From H. Jackson Brown Junior. These days I am busy with an important project.…

All good things must come to an end. 好景无常. Love is when the other person's happiness is more important than your own. 情是君喜胜于己欢. From H. Jackson Brown Junior. These days I am busy with an important project.…

Easy come, easy go. 易得则易失. Easy come, easy go, I finally undestand the phrase through somewhat hard way. Things were going so well for a moment, I was so confident that it would last forever, but it seemed my fate had quite the opposite in mind. Ever…

Better later than never. 亡羊补牢,时犹未晚. Time and again all of us are told to complete the tasks assigned to us on time and being lazy most of us would fail to do any assigned work on time, because the only result of procrsatination is that we may complet…

Hope for the best, but prepare for the worst. 抱最好的愿望,做最坏的打算. To hope for the best and prepare for the worst was first said by John Jay in 1813. Back then, that saying made sense because life was tough, conditions were tough and people had little cont…

Fortune favors the bold. 勇者天佑. It has been increasingly apparent that courage is the main quality we need to start our own business, it can't make one rich being an ordinary employee. Every day, every moment, millions of people dream of starting a bu…

Tomorrow never comes. 我生待明日,万事成蹉跎. Most of my past failures can be chalked up to the bad habit of procrastination. If I had accomplished every task timely, my life would be totally different. Every task has its own deadline and happen in its unique w…

It is not enough to have a good mind. The main thing is to use it well. 头脑聪明还不够,重要的是好好运用. From Rene Descartes. My colleagues have always brought me some surprises these days, and their talented skills and eloquence have made some indelible impression…

No cross, no crown. 不经历风雨,怎能见彩虹. Sometimes you can see a beautiful rainbow high in the sky without having to experience wind and rain, for you can stay in some safe and comfortable places And for some unfortunate ones, they only saw rains but no rain…

有点像计蒜之道里的 京东的物流路径 题目描述 给定一棵 N 个节点的树,每个节点有一个正整数权值.记节点 i 的权值为 Ai.考虑节点 u 和 v 之间的一条简单路径,记 dist(u, v) 为其长度,gcd(u, v) 为路径上所有节点(包含 u 和 v)的权值的最大公因子.min(u, v) 为路径上所有节点的权值的最小值.请求出所有节点对 (u, v) 中 dist(u, v) · gcd(u, v) · min(u, v) 的最大值 输入格式 输入的第一行包含一个整数 T,代表测试数据…