Styx-ferryman

摘要： You are given a permutation p of length n. Remove one element from permutation to make the number of records the maximum possible. We remind that in a 阅读全文

摘要： N ladies attend the ball in the King's palace. Every lady can be described with three values: beauty, intellect and richness. King's Master of Ceremon 阅读全文

摘要： The new founded Balkan Investment Group Bank (BIG-Bank) opened a new office in Bucharest, equipped with a modern computing environment provided by IBM 阅读全文

摘要： “tarjan陪伴强联通分量 生成树完成后思路才闪光 欧拉跑过的七桥古塘 让你 心驰神往” 《膜你抄》 自从听完这首歌，我就对tarjan开始心驰神往了，不过由于之前水平不足，一直没有时间学习。这两天好不容易学会了，写篇博客，也算记录一下。 一、tarjan求强连通分量 1、什么是强连通分量？ 引用 阅读全文

摘要： 生命不息，学习不止，昨天学了两个算法，总结一下，然而只是略懂，请路过的大佬多多谅解。 一、dfs序 1、什么是dfs序？ 其实完全可以从字面意义上理解，dfs序就是指一棵树被dfs时所经过的节点的顺序 原图来源于网络，并经过灵魂画师xhk的一发魔改。 好的，这张图的dfs序显然为A-B-D-E-G- 阅读全文

摘要： 好吧,这名字真是让我想起了某段被某教科书支配的历史.....各种DP题层出不穷,不过终于做完了orz 虽然各种手糊加乱搞,但还是要总结一下. T1 Monkey Banana Problem 这道题和数塔问题差不多,不过多了一个倒过来的 代码如下: T2Rooks T3Marriage Ceremo 阅读全文

摘要： A lot of battleships of evil are arranged in a line before the battle. Our commander decides to use our secret weapon to eliminate the battleships. Ea 阅读全文

摘要： Given a simple graph, output the number of simple cycles in it. A simple cycle is a cycle with no repeated vertices or edges. Input The first line of 阅读全文

摘要： For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultim 阅读全文

摘要： In the game of DotA, Pudge’s meat hook is actually the most horrible thing for most of the heroes. The hook is made up of several consecutive metallic 阅读全文