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RSS订阅原创 使用ProgressDialog创建进度对话框
ProgressDialog代表了进度对话框，程序只要创建ProgressDialog实例，并将它显示出来就是一个对话框。有两种方法实现。①如果只是创建简单的进度对话框，那么调用ProgressDialog提供的静态show()方法显示对话框即可.②创建ProgressDialog，然后调用方法对对话框的进度条进行设置，设置完成后将对话框显示出来即可.ProgressDialog常用方
2016-07-09 17:00:26
2022
原创 TexView中的ellipsize属性
TextView中有个ellipsize属性,作用是当文字过长时,该控件该如何显示,解释如下:1.android:ellipsize=”start”—–省略号显示在开头2.android:ellipsize=”end”——省略号显示在结尾3.android:ellipsize=”middle”—-省略号显示在中间4.android:ellipsize=”marquee”–以跑马灯的
2016-01-22 13:05:23
576
原创 Android中的消息通知Toast和Notification
1、Toast Toast译为土司，类似切片面包，用于弹出比较快速的及时提示信息。当Toast被显示时，虽然它悬浮应用程序最上方，但是并未获得焦点。它的设计就是为了提示有用的信息，而不打扰用户其他操作。最使用简单：view sourceprint?1.1 // 第一个参数：当前的上下文环境。可用getApplicationConte
2015-11-27 20:40:53
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原创 android studio 中去除应用标题栏
androdi studio中去除应用标题栏 ①mainifests中设置:android:theme="@style/AppTheme"(即默认设置). ② values->styles.xml中设置:style name="AppTheme" parent="Theme.AppCompat.Light.NoActionB①ar".
2015-11-25 20:48:53
519
转载 ViewPager 详解（一）---基本入门
转载自：http://blog.youkuaiyun.com/harvic880925/article/details/38453725 前言：这两天研究研究ViewPager滚动功能，现在很多的app都有用到这个功能，我们的大虾米也有这个模块。要研究就彻底的研究研究，我从不满足于一个功能只是简单的应用，要学就学的彻底，所以我打算将ViewPager 分几篇写，研究的哪个程度就写到哪个程度吧。今
2015-11-23 21:01:37
373
原创 Codeforces Round #315 (Div. 2)
DescriptionLittle Lesha loves listening to music via his smartphone. But the smartphone doesn't have much memory, so Lesha listens to his favorite songs in a well-known social network InTalk.Unf
2015-08-21 21:16:15
741
原创 light oj 1317
DescriptionYou probably have played the game "Throwing Balls into the Basket". It is a simple game. You have to throw a ball into a basket from a certain distance. One day we (the AIUB ACMMER) wer
2015-08-21 20:15:34
660
原创 Random Teams(Codeforces Round 273)
Descriptionn participants of the competition were split intom teams in some manner so that each team has at least one participant. After the competition each pair of participants from the same t
2015-08-21 19:51:51
677
原创 Codeforces Round #313 (Div. 2) C. Geralds Hexagon（补大三角.cpp
DescriptionGerald got a very curious hexagon for his birthday. The boy found out that all the angles of the hexagon are equal to. Then he measured the length of its sides, and found that e
2015-08-20 21:39:22
638
原创 概率
DescriptionAs Harry Potter series is over, Harry has no job. Since he wants to make quick money, (he wants everything quick!) so he decided to rob banks. He wants to make a calculated risk, and gr
2015-08-20 09:31:49
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原创 hdu 1465
Description大家常常感慨，要做好一件事情真的不容易，确实，失败比成功容易多了！ 做好“一件”事情尚且不易，若想永远成功而总从不失败，那更是难上加难了，就像花钱总是比挣钱容易的道理一样。 话虽这样说，我还是要告诉大家，要想失败到一定程度也是不容易的。比如，我高中的时候，就有一个神奇的女生，在英语考试的时候，竟然把40个单项选择题全部做错了！大家都学过概率论，应该知道出现这种
2015-08-19 20:31:35
794
原创 hdu 1405
DescriptionTomorrow is contest day, Are you all ready? We have been training for 45 days, and all guys must be tired.But , you are so lucky comparing with many excellent boys who have no chance
2015-08-19 15:55:29
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原创 F - 概率（经典问题）
DescriptionSometimes some mathematical results are hard to believe. One of the common problems is the birthday paradox. Suppose you are in a party where there are23 people including you. What is
2015-08-18 21:48:02
829
原创 hdu 2669
DescriptionThe Sky is Sprite. The Birds is Fly in the Sky. The Wind is Wonderful. Blew Throw the Trees Trees are Shaking, Leaves are Falling. Lovers Walk passing, and so are You. .....
2015-08-18 20:09:15
883
原创 hdu 1222
DescriptionThere is a hill with n holes around. The holes are signed from 0 to n-1.A rabbit must hide in one of the holes. A wolf searches the rabbit in anticlockwise order. The
2015-08-18 08:53:50
896
原创 poj 4548
Description 小明对数的研究比较热爱，一谈到数，脑子里就涌现出好多数的问题，今天，小明想考考你对素数的认识。 问题是这样的：一个十进制数，如果是素数，而且它的各位数字和也是素数，则称之为“美素数”，如29，本身是素数，而且2+9 = 11也是素数，所以它是美素数。 给定一个区间，你能计算出这个区间内有多少个美素数吗？ Input第
2015-08-17 21:06:47
568
原创 poj 3356
DescriptionLet x and y be two strings over some finite alphabet A. We would like to transformx into y allowing only operations given below:Deletion: a letter in x is missing in y at a co
2015-08-16 19:28:55
1047
原创 light oj1074
DescriptionThe people of Mohammadpur have decided to paint each of their houses red, green, or blue. They've also decided that no two neighboring houses will be painted the same color. The neighbo
2015-08-16 18:53:23
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原创 UVA 10453
DescriptionBy definition palindrome is a string which is not changed when reversed. "MADAM" is a nice example of palindrome. It is an easy job to test whether a given string is a palindrome or n
2015-08-15 15:00:37
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原创 hdu 1203
DescriptionSpeakless很早就想出国，现在他已经考完了所有需要的考试，准备了所有要准备的材料，于是，便需要去申请学校了。要申请国外的任何大学，你都要交纳一定的申请费用，这可是很惊人的。Speakless没有多少钱，总共只攒了n万美元。他将在m个学校中选择若干的（当然要在他的经济承受范围内）。每个学校都有不同的申请费用a（万美元），并且Speakless估计了他得到这个学校o
2015-08-14 19:39:17
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原创 poj 1458
DescriptionA subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = another sequence Z = is a subsequence of X if there exists
2015-08-14 19:03:46
649
原创 poj 3903
DescriptionThe world financial crisis is quite a subject. Some people are more relaxed while others are quite anxious. John is one of them. He is very concerned about the evolution of the stock ex
2015-08-13 19:58:18
733
原创 hdu 2602
DescriptionMany years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s , also he went to the grave …T
2015-08-13 10:59:41
942
原创 hdu 2955
DescriptionThe aspiring Roy the Robber has seen a lot of American movies, and knows that the bad guys usually gets caught in the end, often because they become too greedy. He has decided to work i
2015-08-12 21:54:13
552
原创 猴子吃香蕉
Description一组研究人员正在设计一项实验，以测试猴子的智商。他们将挂香蕉在建筑物的屋顶，同时，提供一些砖块给这些猴子。如果猴子足够聪明，它应当能够通过合理的放置一些砖块建立一个塔，并爬上去吃他们最喜欢的香蕉。 研究人员有n种类型的砖块，每种类型的砖块都有无限个。第i块砖块的长宽高分别用xi，yi，zi来表示。 同时，由于砖块是可以旋转的，每个砖块的3条边可以组成6种不同的
2015-08-12 11:15:58
1368
原创 hdu 1003
DescriptionGiven a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a sub-sequence. For example, given (6,-1,5,4,-7), the max sum in this sequence is 6 + (-1) + 5 + 4 = 1
2015-08-10 20:57:06
660
原创 uva 10382
n sprinklers are installed in a horizontal strip of grass l meters long and w meters wide. Each sprinkler is installed at the horizontal center line of the strip. For each sprinkler we are given its p
2015-08-09 21:47:44
1002
原创 poj 1328Radar Installation
DescriptionAssume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a point locating in the sea side. And any radar installation,
2015-08-09 19:08:14
512
原创 codeforece 18c
DescriptionOnce Bob took a paper stripe of n squares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negative. He became interested in how many ways exi
2015-08-09 18:54:02
691
原创 hdu 4911Inversion
Descriptionbobo has a sequence a 1,a2,…,a n. He is allowed to swap twoadjacent numbers for no more than k times. Find the minimum number of inversions after his swaps. Note: The number
2015-08-09 18:42:39
856
原创 codeforce492 B. Vanya and Lanterns
B. Vanya and Lanternstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVanya walks late at night along a straight street of l
2015-08-08 17:02:51
528
原创 Codeforces Round #178 (Div. 2) B .Shaass and Bookshelf
Shaass has n books. He wants to make a bookshelf for all his books. He wants the bookshelf's dimensions to be as small as possible. The thickness of thei-th book is ti and its pages' width is equal
2015-08-06 20:09:56
974
原创 uva 10020
The ProblemGiven several segments of line (int the X axis) with coordinates [Li,Ri]. You are to choose the minimal amount of them, such they would completely cover the segment [0,M]. The Inp
2015-08-05 21:16:07
448
原创 hdu 1969
PieTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 109 Accepted Submission(s): 52Problem Description
2015-08-05 09:20:01
636
原创 poj 1505
DescriptionBefore the invention of book-printing, it was very hard to make a copy of a book. All the contents had to be re-written by hand by so calledscribers. The scriber had been given a book
2015-08-04 19:19:54
1501
原创 poj 2299
Ultra-QuickSortTime Limit: 7000MS Memory Limit: 65536KTotal Submissions: 48121 Accepted: 17553DescriptionIn this problem, you have to analyze a particular sorting a
2015-08-03 16:19:45
464
原创 UVALive 6661
Let us consider sets of positive integers less than or equal to n. Note that all elements of a set aredi erent. Also note that the order of elements doesnt matter, that is, both f3; 5; 9g and f5; 9;
2015-07-31 21:02:13
519
原创 hdu 5224 Tom and Paper
DescriptionThere is a piece of paper in front of Tom, its length and width are integer. Tom knows the area of this paper, he wants to know the minimum perimeter of this paper. Input
2015-07-31 18:42:25
659
原创 CodeForces 556A
DescriptionAndrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones.Once he thought about a string of length n consisting of
2015-07-31 18:28:47
785
原创 uva 572
Oil DepositsThe GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid t
2015-07-30 21:17:18
658
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