Meek

摘要： D Game Problem Description 众所周知，度度熊喜欢的字符只有两个：B 和D。今天，它发明了一个游戏：D游戏。度度熊的英文并不是很高明，所以这里的D，没什么高深的含义，只是代指等差数列[(等差数列百科)](http://baike.baidu.com/view/62268.ht 阅读全文

摘要： 1001 区间的价值： RMQ+扫描法 我们预处理RMQ求任意区间的最大值 预处理出以a[i]为最小值 能向左延伸 向右延伸的 L[i], R[i] 那么对于 一个答案 (L[i], R[i]) *rmq(L[i],R[i]) 为此长度的答案，我们可以发现他是可以更新到小于其长度的所有长度答案的，更 阅读全文

摘要： Sitting in Line Problem Description 度度熊是他同时代中最伟大的数学家，一切数字都要听命于他。现在，又到了度度熊和他的数字仆人们玩排排坐游戏的时候了。游戏的规则十分简单，参与游戏的N个整数将会做成一排，他们将通过不断交换自己的位置，最终达到所有相邻两数乘积的和最大的 阅读全文

摘要： 题目链接： http://bestcoder.hdu.edu.cn/contests/contest_show.php?cid=701 1001 ： 矩阵快速幂 #include <iostream> #include <algorithm> #include <cstdio> #include < 阅读全文

摘要： zxa and leaf Problem Description zxa have an unrooted tree with n nodes, including (n−1) undirected edges, whose nodes are numbered from 1 to n. The d 阅读全文

摘要： D. Robin Hood We all know the impressive story of Robin Hood. Robin Hood uses his archery skills and his wits to steal the money from rich, and return 阅读全文

摘要： C. Recycling Bottles It was recycling day in Kekoland. To celebrate it Adil and Bera went to Central Perk where they can take bottles from the ground 阅读全文

摘要： F. Restore a Number Vasya decided to pass a very large integer n to Kate. First, he wrote that number as a string, then he appended to the right integ 阅读全文

摘要： Yada Number Problem Description: Every positive integer can be expressed by multiplication of prime integers. Duoxida says an integer is a yada number 阅读全文

摘要： How many integers can you find Problem Description Now you get a number N, and a M-integers set, you should find out how many integers which are small 阅读全文