the personal diary is a cli (command line interface) software that consists

时间: 2024-01-20 16:01:13 浏览: 214
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个人日志工具

个人日记是一种命令行界面（Command Line Interface）软件，它由许多功能和模块组成。这种软件设计的初衷是为用户提供一个简洁、高效、安全的记录个人日常生活的平台。 首先，个人日记软件提供了一个简单而强大的命令行界面。用户可以通过命令输入方式来进行交互，而不需要依赖鼠标和图形界面。这种命令行界面使得用户可以更有效地进行日记的编辑、查看和管理。 其次，个人日记软件拥有丰富的功能和模块。用户可以使用命令行来创建新的日记条目，编辑已有的日记内容，查询特定日期的日记记录等。此外，软件还提供了安全的登录认证机制，保护用户的日记内容不被他人获取。 另外，个人日记软件还支持不同的文件格式。用户可以选择将日记数据以文本文件、markdown文件等格式进行保存，从而更好地适应自己的需求。这种灵活性使得用户可以根据自己的喜好和习惯来定制和管理个人日记数据。 总之，个人日记软件作为一种命令行界面的工具，通过简洁、高效和安全的特性，为用户提供了一个便捷和可定制的日记记录平台。无论是文字记录还是文件格式，个人日记软件都能满足用户的各类需求，帮助用户记录和管理个人日常生活的方方面面。
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A PON consists of an Optical Line Termination (OLT) at the service provider s central office and a number of Optical Network Units (ONUs) near end users. A PON configuration reduces the amount of ...

Please write a simply code in python, the requirement is as followed: The Tower of Hanoi is a mathematical game or puzzle. It consists of three rods, and a number of disks of different sizes which can slide onto any rod. The puzzle starts with the disks in a neat stack in ascending order of size on one rod, the smallest at the top, thus making a conical shape. The following figure shows the initial state of the Tower of Hanoi with 5 disks.The objective of the puzzle is to move the entire stack to another rod, obeying the following simple rules: 1. Only one disk can be moved at a time. 2. Each move consists of taking the upper disk from one of the stacks and placing it on top of another stack i.e. a disk can only be moved if it is the uppermost disk on a stack. 3. No disk may be placed on top of a smaller disk. Assume that initially all the disks are placed on rod A. Write a non-recursive Python function to print out the steps to move all the disks from rod A to rod C via rod B (Hint: a recursive algorithm can be converted into a non-recursive algorithm using stack). The header of the function is: def HanoiTower(n) Here n represents the number of disks. example: when n = 3, the program will output: A -> C next line A -> B next line C -> B next line A -> C next line B -> A next line B -> C next line A -> C 4. simple enough

stack.append((n, 'A', 'C', 'B')) while len(stack) > 0: n, fr, to, via = stack.pop() if n == 1: print(fr, '->', to) else: stack.append((n-1, via, to, fr)) stack.append((1, fr, to, via)) stack....

Let 𝑃 be a set of 𝑛 points on the 𝑥-axis and each of the points is colored with one of the colors 1,2, . . . , 𝑘. For each color 𝑖 of the 𝑘 colors, there is at least one point in 𝑃 which is colored with 𝑖. For a set 𝑃 ′ of consecutive points from 𝑃, if both 𝑃 ′ and 𝑃 ∖ 𝑃 ′ contain at least one point of each color, then we say that 𝑃 ′ makes a double rainbow. See the below figure as an example. The set 𝑃 consists of ten points and each of the points is colored by one of the colors 1, 2, 3, and 4. The set 𝑃 ′ of the five consecutive points contained in the rectangle makes a double rainbow. Given a set 𝑃 of points and the number 𝑘 of colors as input, write a program that computes and prints out the minimum size of 𝑃 ′ that makes a double rainbow. Input Your program is to read from standard input. The input starts with a line containing two integers 𝑛 and 𝑘 (1 ≤ 𝑘 ≤ 𝑛 ≤ 10,000), where 𝑛 is the number of the points in 𝑃 and 𝑘 is the number of the colors. Each of the following 𝑛 lines consists of an integer from 1 to 𝑘, inclusively, and the 𝑖-th line corresponds to the color of the 𝑖-th point of 𝑃 from the left. Output Your program is to write to standard output. Print exactly one line. The line should contain the minimum size of 𝑃 ′ that makes a double rainbow. If there is no such 𝑃 ′ , print 0. The following shows sample input and output for two test cases.

Sure! Here's an example C++ code that solves the problem...Note: This code assumes that the input is valid and follows the given constraints. You may need to add additional input validation if necessary.

Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 246913578, which happens to be another 9-digit number consisting exactly the numbers from 1 to 9, only in a different permutation. Check to see the result if we double it again! Now you are suppose to check if there are more numbers with this property. That is, double a given number with k digits, you are to tell if the resulting number consists of only a permutation of the digits in the original number. Input Specification: Each input contains one test case. Each case contains one positive integer with no more than 19 digits. Output Specification: For each test case, first print in a line "Yes" if doubling the input number gives a number that consists of only a permutation of the digits in the original number, or "No" if not. Then in the next line, print the doubled number. Sample Input: 1234567899 Sample Output: Yes 2469135798

首先，我们需要将输入的数转换成字符串，并计算出它的长度。接着，我们将该数乘以2，再将结果转换成字符串，并且将它的长度与原始字符串的长度进行比较。如果长度不同，那么乘以2得到的数字肯定不是原始数字的排列。...

Problem B Double Rainbow Time Limit: 1 Second Let 𝑃 be a set of 𝑛 points on the 𝑥-axis and each of the points is colored with one of the colors 1,2, . . . , 𝑘. For each color 𝑖 of the 𝑘 colors, there is at least one point in 𝑃 which is colored with 𝑖. For a set 𝑃 ′ of consecutive points from 𝑃, if both 𝑃 ′ and 𝑃 ∖ 𝑃 ′ contain at least one point of each color, then we say that 𝑃 ′ makes a double rainbow. See the below figure as an example. The set 𝑃 consists of ten points and each of the points is colored by one of the colors 1, 2, 3, and 4. The set 𝑃 ′ of the five consecutive points contained in the rectangle makes a double rainbow. Given a set 𝑃 of points and the number 𝑘 of colors as input, write a program that computes and prints out the minimum size of 𝑃 ′ that makes a double rainbow. Input Your program is to read from standard input. The input starts with a line containing two integers 𝑛 and 𝑘 (1 ≤ 𝑘 ≤ 𝑛 ≤ 10,000), where 𝑛 is the number of the points in 𝑃 and 𝑘 is the number of the colors. Each of the following 𝑛 lines consists of an integer from 1 to 𝑘, inclusively, and the 𝑖-th line corresponds to the color of the 𝑖-th point of 𝑃 from the left. Output Your program is to write to standard output. Print exactly one line. The line should contain the minimum size of 𝑃 ′ that makes a double rainbow. If there is no such 𝑃 ′ , print 0. The following shows sample input and output for two test cases. 具体步骤

首先，我们可以使用两个指针来表示′的起始和结束位置。初始时，这两个指针都指向的开头。然后，我们可以使用一个辅助数据结构来记录′中每种颜色的出现次数。 接下来，我们可以使用一个循环来移动右指针，直到′中...

friend of you is doing research on the Traveling Knight Problem (TKP) where you are to find the shortest closed tour of knight moves that visits each square of a given set of n squares on a chessboard exactly once. He thinks that the most difficult part of the problem is determining the smallest number of knight moves between two given squares and that, once you have accomplished this, finding the tour would be easy. Of course you know that it is vice versa. So you offer him to write a program that solves the "difficult" part. Your job is to write a program that takes two squares a and b as input and then determines the number of knight moves on a shortest route from a to b. Input Specification The input file will contain one or more test cases. Each test case consists of one line containing two squares separated by one space. A square is a string consisting of a letter (a-h) representing the column and a digit (1-8) representing the row on the chessboard. Output Specification For each test case, print one line saying "To get from xx to yy takes n knight moves.".

Sure, I can write a program that solves the "difficult" part of the TKP. Here's an implementation in Python: python # Define a function to convert a square string to a tuple of coordinates def ...

Doremy has n buckets of paint which is represented by an array a of length n. Bucket i contains paint with color ai. Let c(l,r) be the number of distinct elements in the subarray [al,al+1,…,ar]. Choose 2 integers l and r such that l≤r and r−l−c(l,r) is maximized. Input The input consists of multiple test cases. The first line contains a single integer t (1≤t≤104) — the number of test cases. The description of the test cases follows. The first line of each test case contains a single integer n (1≤n≤105) — the length of the array a. The second line of each test case contains n integers a1,a2,…,an (1≤ai≤n). It is guaranteed that the sum of n does not exceed 105.

这道题目的意思是说，有一个长度为 n 的数组 a，数组的第 i 个位置上的数表示第 i 个桶中油漆的颜色。对于给定的 l 和 r，c(l,r) 表示区间 [l,r] 中不同颜色的数量。你需要选择两个整数 l 和 r，使得 l≤r 且 r−l−...

3)A digital clock consists of a screen to display the time and a dial for setting in turn the year, month, day, hour and minute. Twisting the dial to the left reduces by one the value being changed but twisting it to the right increases it by one. Pushing the dial alters which value is being adjusted. At first, it is the year but after the dial is pushed once, it is the month, then after the dial is pushed again, it is the day and so on. Imagine the clock is represented by a class with attributes year, month, day etc. The following is what the code for a method rotateDialLeft() might look like. public void rotateDialLeft() { if (mode == YEAR_MODE) { year--; } else if (mode == MONTH_MODE) { month--; } else if (mode == DAY_MODE) { day--; } else if (mode == HOUR_MODE) { hour--; } else if (mode == MINUTE_MODE) { minute--; } } The code for rotateDialRight() is similar. Apply the Open-Closed Principle to explain why the above code is unsatisfactory from the design viewpoint, considering the possibility of future change to the code, giving an example of such a change. 5)Give the code required for the classes introduced in question 3), focusing on the code for a method selectState() which changes the value that is being adjusted from years to months. Make it clear in which classes the code is to be found. Assume the existence of other methods that are needed such as getMonthSetUpState(). 8)Suppose that in a multiplayer role-playing game, a class Client has a dependency to an interface Fighter with public methods attack(), defend() and escape(). The game designer now wishes for Client to use a class Wizard with three different but equivalent public methods castDestructionSpell(), shield() and portal(). Explain how it is possible to do this using an appropriate design pattern.

3) The current implementation of the rotateDialLeft() method violates the Open-Closed Principle, which states that software entities (classes, modules, functions, etc.) should be open for extension ...

Please write a simply code in python, the requirement is as followed: 1. use the list type describe rod A, B and C 2. to The Tower of Hanoi is a mathematical game or puzzle. It consists of three rods, and a number of disks of different sizes which can slide onto any rod. The puzzle starts with the disks in a neat stack in ascending order of size on one rod, the smallest at the top, thus making a conical shape. The following figure shows the initial state of the Tower of Hanoi with 5 disks.The objective of the puzzle is to move the entire stack to another rod, obeying the following simple rules: 1. Only one disk can be moved at a time. 2. Each move consists of taking the upper disk from one of the stacks and placing it on top of another stack i.e. a disk can only be moved if it is the uppermost disk on a stack. 3. No disk may be placed on top of a smaller disk. Assume that initially all the disks are placed on rod A. Write a non-recursive Python function to print out the steps to move all the disks from rod A to rod C via rod B (Hint: a recursive algorithm can be converted into a non-recursive algorithm using stack). The header of the function is: def HanoiTower(n) Here n represents the number of disks.

首先，我们可以使用 Python 的列表类型来描述棒 A，B 和 C： rod_A = [] rod_B = [] rod_C = [] 然后，我们可以定义一个非递归的 Python 函数来打印汉诺塔的移动步骤： def HanoiTower(n): stack = ...

用c++解决pipeline system consists of N transfer station, some of which are connected by pipelines. For each of M pipelines the numbers of stations A[i] and B[i], which are connected by this pipeline, and its profitability C[i] are known. A profitability of a pipeline is an amount of dollars, which will be daily yielded in taxes by transferring the gas through this pipeline. Each two stations are connected by not more than one pipeline. The system was built by Soviet engineers, who knew exactly, that the gas was transferred from Ukrainian gas fields to Siberia and not the reverse. That is why the pipelines are unidirectional, i.e. each pipeline allows gas transfer from the station number A[i] to the station number B[i] only. More over, if it is possible to transfer the gas from the station X to the station Y (perhaps, through some intermediate stations), then the reverse transfer from Y to X is impossible. It is known that the gas arrives to the starting station number S and should be dispatched to the buyers on the final station number F. The President ordered the Government to find a route (i.e. a linear sequence of stations which are connected by pipelines) to transfer the gas from the starting to the final station. A profitability of this route should be maximal. A profitability of a route is a total profitability of its pipelines. Unfortunately, the President did not consider that some pipelines ceased to exist long ago, and, as a result, the gas transfer between the starting and the final stations may appear to be impossible... Input The first line contains the integer numbers N (2 ≤ N ≤ 500) and M (0 ≤ M ≤ 124750). Each of the next M lines contains the integer numbers A[i], B[i] (1 ≤ A[i], B[i] ≤ N) and C[i] (1 ≤ C[i] ≤ 10000) for the corresponding pipeline. The last line contains the integer numbers S and F (1 ≤ S, F ≤ N; S ≠ F). Output If the desired route exists, you should output its profitability. Otherwise you should output "No solution".

g[a].push_back({b, c}); } cin >> s >> f; vector<int> dist(n + 1, -INF); dist[s] = 0; priority_queue, int>> pq; pq.push({0, s}); while (!pq.empty()) { int u = pq.top().second; pq.pop(); for...

用c++解决下述问题：描述 Some words have power. It can make a string containing it become more powerful (larger weight). The weight of a word in a string is defined as the number of its occurences in the string multiplied by its value, while the weight of the string is defined as the sum of all words' weights. Given some words with their values, you should output the string consisting of these words which make the string's weight maximal. 输入 The input consists of multiple test cases. The first line of the input is an integer T, indicating the number of the test cases. Each test case starts with a line consisting of two integers: N and M, indicating the string's maximum length and the number of the words. Each of the following M lines consists of a word Wi. The last line of each test case consists of M integers, while the i-th number indicates the value Vi of Wi. Technical Specification: 1. T ≤ 15 2. 0 < N ≤ 50, 0 < M ≤ 100. 3. The length of each word is less than 11 and bigger than 0. 4. 1 ≤ Vi ≤ 100. 5. All the words in the input are different. 6. All the words just consist of 'a' - 'z'. 输出 For each test case, output the string which has the maximal weight in a single line.If there are multiple answers, output the shortest one. If there are still multiple answers, output the smallest one in lexicographical order. The answer may be an empty string.

这道题需要使用动态规划来解决。我们可以定义dp[i]表示长度为i的字符串的最大权值，它可以通过枚举最后一个单词得到。具体地，我们枚举最后一个单词为Wi，那么dp[i]就可以由dp[i-len(Wi)] + Vi得到，其中len(Wi)表示...

Using an ACL connection, a Central can establish one or more isochronous connections that use the isochronous physical channel. An isochronous connection is used to transfer isochronous data between the Central and a Peripheral by using a logical transport, which is referred to as a Connected Isochronous Stream (CIS). A CIS consists of CIS events that occur at regular intervals (designated ISO_Interval). Every CIS event consists of one or more subevents. In each subevent, the Central transmits once and the Peripheral responds. If the Central and Peripheral have completed transferring the scheduled isochronous data in a CIS event, all remaining subevents in that event will have no radio transmissions and the event is closed. Each subevent uses a PHY channel which is determined by using the channel selection algorithm. The PHY channel that is used for a subevent is marked as ISO Ch(eventcount, subeventcount), as shown in Figure 1.4.

通过ACL连接，中央设备可以建立一个或多个使用同步物理通道的同步连接。同步连接用于通过逻辑传输（称为连接的同步流，CIS）在中央设备和外围设备之间传输同步数据。CIS由定期发生的CIS事件组成（指定为ISO_Interval...

用c++写In the online judge system, a judge file may include multiple datasets to check whether the submitted program outputs a correct answer for each test case. This task is to practice solving a problem with multiple datasets. Write a program which reads an integer x and print it as is. Note that multiple datasets are given for this problem. 输入 The input consists of multiple datasets. Each dataset consists of an integer x in a line. The input ends with an integer 0. You program should not process (print) for this terminal symbol. 输出 For each dataset, print x in the following format: Case i: x where i is the case number which starts with 1. Put a single space between "Case" and i. Also, put a single space between ':' and x.

以下是用 C++ 编写的解题代码： c++ #include using namespace std; int main() { int x, i = 1;... while (cin >> x && x !...这个程序使用了一个 while 循环来不断读入输入数据，直到读入的数据为 0 为止。...

用中文回答这个问题Consider a regular languagLe which consists of binary words that obey the following restrictions: • The alphabet is{ 0, 1}. • A word must start with1 .a • A word must end with0 .a • A 0 can follow a 1, but a 1 cannot follo w a 0 i) Give three examples odfi fferent binary words that obey this language. Assume [3%] that the sequence of inputs sttsa r with the first digit on the left end of a word. ii) What is the simplest kind of computing machine that can recognise the langua g[1e2 %] L described above? Draw a poisbsle deterministic design for this machine in diagrammatic form.

i) 三个符合这个规则的二进制单词的例子如下： - 1010 - 110 - 1000 ii) 可以识别这种语言的最简单的计算机是有限状态自动机 (Finite State Automaton)。它包括一个输入字母表 (input alphabet)、一个状态集合 (set...

Once upon a time, Toma found himself in a binary cafe. It is a very popular and unusual place. The cafe offers visitors k different delicious desserts. The desserts are numbered from 0 to k−1 . The cost of the i -th dessert is 2i coins, because it is a binary cafe! Toma is willing to spend no more than n coins on tasting desserts. At the same time, he is not interested in buying any dessert more than once, because one is enough to evaluate the taste. In how many different ways can he buy several desserts (possibly zero) for tasting? Input The first line of the input contains a single integer t (1≤t≤1000 ) — the number of test cases. Then follows t lines, each of which describes one test case. Each test case is given on a single line and consists of two integers n and k (1≤n,k≤109 ) — the number of coins Toma is willing to spend and the number of desserts in the binary cafe. Output Output t integers, the i -th of which should be equal to the answer for the i -th test case — the number of ways to buy desserts for tasting.

Let dp[i][j] be the number of ways to choose a subset of the first i elements of the set {0,1,2,...,k-1} such that the sum of the elements in the subset is exactly j. Then the answer to the problem ...

Once upon a time, Toma found himself in a binary cafe. It is a very popular and unusual place. The cafe offers visitors k different delicious desserts. The desserts are numbered from 0 to k−1. The cost of the i-th dessert is 2i coins, because it is a binary cafe! Toma is willing to spend no more than n coins on tasting desserts. At the same time, he is not interested in buying any dessert more than once, because one is enough to evaluate the taste. In how many different ways can he buy several desserts (possibly zero) for tasting? Input The first line of the input contains a single integer t (1≤t≤1000) — the number of test cases. Then follows t lines, each of which describes one test case. Each test case is given on a single line and consists of two integers n and k (1≤n,k≤109) — the number of coins Toma is willing to spend and the number of desserts in the binary cafe. Output Output t integers, the i-th of which should be equal to the answer for the i-th test case — the number of ways to buy desserts for tasting.

题目描述 Toma来到了一个二进制咖啡馆，这里有k种不同的点心，第i个点心的价格是2^i个硬币，Toma最多愿意花n个硬币去品尝不同的点心，求他最多能品尝多少种不同的点心。 输入格式 第一行包含一个整数t，表示测试...
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