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1.Task是包含一系列Activity的堆栈,遵循先进后出原则.2.Task默认行为:(1)前提:ActivityA和ActivityB在同一个应用中.操作:ActivityA启动开僻Task堆栈(堆栈状态:A),在ActivityA中启动ActivityB(堆栈状态:AB),按下BACK返回键(堆栈状态:A).(2)前提:ActivityA和ActivityB在同一个应用中,应用名称为"TaskOne应用".操作:在Launcher中单击"TaskOne应用"图标,ActivityA启动开僻Task堆栈,命名为TaskA(TaskA堆栈状态:A),在 阅读全文
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In this problem you are to generate a triangular wave form according to a specified pair of Amplitude and Frequency.Input and OutputThe input begins with a single positive integer on a line by itself indicating the number of the cases following, each of them as described below. This line is followed 阅读全文
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Your mission, if you decide to accept it, is to create a maze drawing program. A maze will consist of the alphabetic charactersA-Z,*(asterisk), and spaces.Input and OutputYour program will get the information for the mazes from the input file. This file will contain lines of characters which your pr 阅读全文
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今天使用Fragment的时候，出现了这个错误IllegalStateException: Can not perform this action after onSaveInstanceState：E/AndroidRuntime(12747):Causedby:java.lang.IllegalStateException:CannotperformthisactionafteronSaveInstanceStateatandroid.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1314)at 阅读全文
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In ``Rotating Sentences,'' you are asked to rotate a series of input sentences 90 degrees clockwise. So instead of displaying the input sentences from left to right and top to bottom, your program will display them from top to bottom and right to left.Input and OutputAs input to your program 阅读全文
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An imaging device furnishes digital images of two machined surfaces that eventually will be assembled in contact with each other. The roughness of this final contact is to be estimated.A digital image is composed of the two characters,"X"and" "(space). There are always 25 columns 阅读全文
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Everybody sit down in a circle. Ok. Listen to me carefully.``Woooooo, you scwewy wabbit!''Now, could someone tell me how many words I just said?Input and OutputInput to your program will consist of a series of lines, each line containing multiple words (at least one). A ``word'' is d 阅读全文
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The DecoderWrite a complete program that will correctly decode a set of characters into a valid message. Your program should read a given file of a simple coded set of characters and print the exact message that the characters contain. The code key for this simple coding is a one for one character s 阅读全文
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Problem AEcological PremiumInput:standard inputOutput:standard outputTime Limit:1 secondMemory Limit:32 MBGerman farmers are given a premium depending on the conditions at their farmyard. Imagine the following simplified regulation: you know the size of each farmer's farmyard in square meters an 阅读全文
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A particle has initial velocity and constant acceleration. If its velocity after certain time is v then what will its displacement be in twice of that time?InputThe input will contain two integers in each line. Each line makes one set of input. These two integers denote the value of v (-100 #includ. 阅读全文