GitHub项目主页 https://github.com/LucienShui/PasteMe PasteMe 是一个无需注册的文本分享平台，针对代码提供了额外的高亮功能。 在存储内容时，设置密码和阅后即焚可以高度保证用户内容的安全性和私密性。 在将自己的内容分享给别人时，提供了一键复制链接和二维码分享等多种途径。 在查看别人的...

题目 题目描述 JSZKC is the captain of the lala team. There are N girls in the lala team. And their height is [1,N] and distinct. So it means there are no two girls with a same height. JSZKC has to arr...

题目 题目描述 JSZKC is going to spend his vacation! His vacation has N days. Each day, he can choose a T-shirt to wear. Obviously, he doesn’t want to wear a singer color T-shirt since others will consi...

  这场比赛很快秒了A和C，B题一直不会做，百度了一下才想起来对两边取对数，还是太笨了。B题浪费了太多时间，做完B就只剩40多分钟了，然后看了一下选择开E，结果从剩下20多分钟开始大家都开始交随机数，导致CF的网站一度接近挂了，我在截止前25分钟交的一发E在赛后第2个小时的时候都还是在队列里…交了E之后一直在队列里就去看D了，看了一下范围一直在想$O(n·log_2m)$的做法，没想到$O(...

题目链接 https://codeforces.com/contest/987/problem/D 题目 Some company is going to hold a fair in Byteland. There are n towns in Byteland and m two-way roads between towns. Of course, you can reach ...

题目链接 https://codeforces.com/contest/987/problem/C 题目 It is the middle of 2018 and Maria Stepanovna, who lives outside Krasnokamensk (a town in Zabaikalsky region), wants to rent three displays...

题目链接 https://codeforces.com/contest/987/problem/B 题目 Year 2118. Androids are in mass production for decades now, and they do all the work for humans. But androids have to go to school to be ab...

题目链接 https://codeforces.com/contest/987/problem/A 题目 You took a peek on Thanos wearing Infinity Gauntlet. In the Gauntlet there is a place for six Infinity Gems: the Power Gem of purple co...

题目链接 https://codeforces.com/contest/985/problem/D 题目 You are going to the beach with the idea to build the greatest sand castle ever in your head! The beach is not as three-dimensional as you ...

题目链接 https://codeforces.com/contest/985/problem/C 题目 You have m = n·k wooden staves. The i-th stave has length ai. You have to assemble n barrels consisting of k staves each, you can use any k...