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ubuntu 下 安装 adobe reader
1. Download the DEB package:Adobe Reader 9.5.5 enuUPDATE:Adobe Reader has recently removed support for Linux. Thanks toEnkouyami, if the above link is...
分类:其他好文   时间:2014-10-05 01:06:47    阅读次数:243
Codeforces Round #267 (Div. 2) C. George and Job(DP)补题
Codeforces Round #267 (Div. 2) C. George and Job题目链接请点击~The new ITone 6 has been released recently and George got really keen ...
分类:其他好文   时间:2014-10-05 00:24:57    阅读次数:190
HDU 4812 D Tree 树分治+逆元+hash新姿势
题意: 给定n个点的树 K 下面n个数是点权 下面n-1行给出树边。 问: 是否存在一条路径使得路径上点权积 % mod  = K 若存在则输出路径的两端。 若存在多条路径则输出字典序最小的一条。 思路: 按树重心分治。 分成路径是否经过树重心。 然后用力码。。 has[x] = u; 表示乘积为x 对应的点是u 但这样has就不能用计数器来优化清空。 ...
分类:其他好文   时间:2014-10-04 23:30:27    阅读次数:231
HDU - 5009 Paint Pearls(dp+双向链表优化)
Problem Description Lee has a string of n pearls. In the beginning, all the pearls have no color. He plans to color the pearls to make it more fascinating. He drew his ideal pattern of the string o...
分类:其他好文   时间:2014-10-03 22:31:45    阅读次数:363
Bellman算法PKU 3259
Wormholes Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 31593   Accepted: 11497 Description While exploring his many farms, Farmer John has discovered a nu...
分类:其他好文   时间:2014-10-03 12:01:04    阅读次数:187
HDU 3307 Description has only two Sentences
Description has only two SentencesTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 886Accepted Subm...
分类:其他好文   时间:2014-10-02 20:06:33    阅读次数:239
oracle表连接
oracle表连接又被问到了,感觉细节了解还是远远不够啊,从网上找资料学习之。转载的。在查看sql执行计划时,我们会发现表的连接方式有多种,本文对表的连接方式进行介绍以便更好看懂执行计划和理解sql执行原理。 一、连接方式: 嵌套循环(NestedLoops (NL)) (散列)哈希连接(Has.....
分类:数据库   时间:2014-10-02 19:43:43    阅读次数:253
leetcode - Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. For example: Given the below binary tree and sum ...
分类:其他好文   时间:2014-10-02 18:26:13    阅读次数:174
ZOJ 2319 Beatuiful People(单调上升子序列变形)
Beautiful People Time Limit: 5 Seconds      Memory Limit: 32768 KB      Special Judge The most prestigious sports club in one city has exactly N members. Each of its members is strong and beauti...
分类:其他好文   时间:2014-10-02 14:10:43    阅读次数:180
cug oj 1479 Treasure Chest Lock (区间dp 思维)
1479: Treasure Chest Lock Time Limit: 1 Sec  Memory Limit: 128 MB Submit: 7  Solved: 5 [Submit][Status][Web Board] Description  Vic has a treasure chest. And there is a lock on the treasure c...
分类:其他好文   时间:2014-10-01 17:40:21    阅读次数:187
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