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[ { "content": "Find the units digit of the decimal expansion of \\[\\left(21 + \\sqrt{196}\\right)^{20} - \\left(21 - \\sqrt{196}\\right)^{20}.\\]\n$\\textbf{(A)}\\ 2\\qquad \\textbf{(B)}\\ 4\\qquad \\textbf{(C)}\\ 6\\qquad \\textbf{(D)}\\ 8\\qquad \\textbf{(E)}\\ \\text{none of these}$", "role": "user" ...
dolphin-r1-reasoning-deepseek
[ { "content": "Write a python function to determine if a given string is a palindrome, ignoring spaces, punctuation, and case sensitivity.\n\nI'm working on a project where I need to check if a string is a palindrome. I'm a bit nervous about taking on more responsibilities, so I want to make sure I handle this c...
dolphin-r1-reasoning-deepseek
[ { "content": "我如何在PHP中创建一个存储字符串\"Hello World\"的变量?", "role": "user" }, { "content": "<think>\n嗯,用户问的是如何在PHP中创建一个存储字符串“Hello World”的变量。我得先想想PHP的基本语法。PHP变量需要用美元符号开头,对吧?变量名后面跟着等号和值。字符串的话应该用引号括起来,单引号或双引号都可以。记得每个语句后面加分号。\n\n用户可能刚开始学PHP,所以需要步骤简单明了。首先,变量的声明,比如$variable_name。然后赋值,等号右边是字符串。然后要考虑用哪种引号,可能单引号更合...
dolphin-r1-reasoning-deepseek
[ { "content": "Henrietta is repainting her house. The walls in the living room take up 600 square feet. She has three bedrooms. The walls in each bedroom take up a certain amount of square feet. Henrietta needs 3 gallons of paint to paint her house. How many square feet do the walls in each bedroom take up?", ...
dolphin-r1-reasoning-deepseek
[ { "content": "Marnie makes bead bracelets. She bought some bags of 50 beads and 2 bags of 100 beads. Marnie can make 9 bracelets out of the beads she bought, using 50 beads for each bracelet. How many bags of 50 beads did she buy?", "role": "user" }, { "content": "<think>\nOkay, let's see. So, Marni...
dolphin-r1-reasoning-deepseek
[ { "content": "As an old friend of Alison Jane Rose, I would like you to summarize the key events from the time Alison and I participated in the summer camp together, focusing on the talent show night. Your response should contain three paragraphs and include the keywords: 'guitar', 'campfire', and 'butterflies'...
dolphin-r1-reasoning-deepseek
[ { "content": "Alexis makes $18 of profit every time she sells 4 scarves and three times as much profit when she sells two hats. How much profit will she make if she sells 9 scarves and 4 hats?", "role": "user" }, { "content": "<think>\nOkay, so Alexis makes $18 of profit every time she sells 4 scarv...
dolphin-r1-reasoning-deepseek
[ { "content": "Alyssa took some photos on vacation. She wants to put them in a photo album with 30 pages. She can place 3 photos each on the first 10 pages. Then she can place 4 photos each on the next 10 pages. If she wants to put an equal number of photos on each of the remaining pages of the album, which is 3...
dolphin-r1-reasoning-deepseek
[ { "content": "Please explain the following problem in detail and provide code in Swift:\nGiven a string `s` and a string array `dictionary`, return _the longest string in the dictionary that can be formed by deleting some of the given string characters_. If there is more than one possible result, return the lon...
dolphin-r1-reasoning-deepseek
[ { "content": "我有一个使用stdcall约定调用函数的汇编程序,该函数返回一个浮点值。这个函数被一个 marshalling 框架使用,以将 stdcall 函数暴露给脚本语言。但是,我遇到了一个问题,其中一个测试用例返回的是垃圾输出,而不是预期的值。我怀疑我可能在调用指令之前未能保留某些状态,或者使用 fsts 指令破坏了一些状态。有人能帮我理解如何正确地从 stdcall 函数获取浮点值吗?\n\n我有一个使用stdcall约定调用函数的汇编程序,该函数返回一个浮点值。这个函数被一个 marshalling 框架使用,以将 stdcall 函数暴露给脚本语言。但是,我遇到了一个问题,其中一个测试用例...
dolphin-r1-reasoning-deepseek
[ { "content": "A chef needs to cook some potatoes. He has already cooked 6. Each potato takes 8 minutes to cook. It will take him 72 minutes to cook the rest. How many potatoes does he need to cook in total?", "role": "user" }, { "content": "<think>\nOkay, let's see. The problem is about a chef cooki...
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[ { "content": "A cistern can be filled by a tap in 3 hours while it can be emptied by another tap in 8 hours. If both the taps are opened simultaneously, after how much time will the cistern get filled?", "role": "user" }, { "content": "<think>\nOkay, so there's this cistern that can be filled by one...
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[ { "content": "A soft drink company had 6000 small and some big bottles in storage. If 12% of small and 15% of big bottles have been sold, then the total bottles remaining in storage is 13780. How many big bottles were initially in storage?", "role": "user" }, { "content": "<think>\nOkay, let's see. ...
dolphin-r1-reasoning-deepseek
[ { "content": "Use double quotation marks to enclose all direct quotes from the research papers you review that discuss the connection between social media and mental health.", "role": "user" }, { "content": "<think>\nOkay, the user wants me to use double quotation marks for all direct quotes from re...
dolphin-r1-reasoning-deepseek
[ { "content": "Find the equation of the plane passing through the point $(2, -3, 5)$ and containing the line\n\\[\\frac{x - 2}{4} = \\frac{y + 1}{-5} = \\frac{z - 3}{2}.\\]\nEnter your answer in the form\n\\[Ax + By + Cz + D = 0,\\]where $A,$ $B,$ $C,$ $D$ are integers such that $A > 0$ and $\\gcd(|A|,|B|,|C|,|D...
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[ { "content": "Write a Python function to calculate the sum of the areas of a given list of circles, where each circle is defined as a dictionary containing 'radius' and 'x' as keys.\n[{'radius': 3, 'x': 5}, {'radius': 4, 'x': 7}, {'radius': 5, 'x': 9}]", "role": "user" }, { "content": "<think>\nOkay...
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[ { "content": "Excluding stoppages, the speed of a bus is some kmph and including stoppages, it is 45 kmph. The bus stops for 6 minutes per hour. What is the speed of the bus excluding stoppages?", "role": "user" }, { "content": "<think>\nOkay, so I need to find the speed of the bus excluding stoppag...
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[ { "content": "Quadrilateral $EFGH$ is a parallelogram. An external angle at vertex $F$ measures $30^\\circ$. What is the degree measure of angle $E$?\n[asy]\nsize(100);\ndraw((0,0)--(5,2)--(6,7)--(1,5)--cycle);\ndraw((5,2)--(7.5,3));\ndraw(Arc((5,2),1,20,80));\nlabel(\"$H$\",(0,0),SW); label(\"$G$\",(5,2),SE); ...
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[ { "content": "In the Cartesian coordinate system, known as the xOy plane, it is given that the hyperbola $C$ with its center at the origin passes through the point (1, 0), and its right focus $F$ is the same as the focus of the parabola $y^2 = 8x$. The standard equation of hyperbola $C$ is \\_\\_\\_\\_\\_\\_.",...
dolphin-r1-reasoning-deepseek
[ { "content": "Calculate the value of $1999^2 - 2000 \\times 1998$.", "role": "user" }, { "content": "<think>\nOkay, so I need to calculate the value of 1999 squared minus 2000 times 1998. Hmm, let me write that down first to make sure I have it right. The expression is 1999² - 2000×1998. Alright, th...
dolphin-r1-reasoning-deepseek
[ { "content": "Please explain the reasoning behind the following solution and provide code in Rust:\nYou are given an array of non-overlapping intervals `intervals` where `intervals[i] = [starti, endi]` represent the start and the end of the `ith` interval and `intervals` is sorted in ascending order by `starti`...
dolphin-r1-reasoning-deepseek
[ { "content": "What is the greatest whole number that must be a divisor of the product of any four consecutive positive integers?", "role": "user" }, { "content": "<think>\nOkay, so I have this problem: \"What is the greatest whole number that must be a divisor of the product of any four consecutive ...
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[ { "content": "You are tasked with creating a program to parse and extract information from a given HTML code snippet. The HTML code represents a card component displaying details about a course. Your task is to extract specific information from the HTML and present it in a structured format.\n\nThe HTML code sn...
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[ { "content": "Karen has 32 quarters in her piggy bank. Her older brother Christopher has some quarters in his piggy bank. Christopher has $8 more than Karen. How many quarters does Christopher have?", "role": "user" }, { "content": "<think>\nOkay, so Karen has 32 quarters in her piggy bank. Her brot...
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[ { "content": "用python实现一个可传参frequency、lacunarity、persistence、octaves、seed的2D柏林噪声", "role": "user" }, { "content": "<think>\n嗯,我现在需要实现一个二维的柏林噪声函数,参数包括frequency、lacunarity、persistence、octaves、seed。我对柏林噪声的基础了解可能还不够,得先回顾一下柏林噪声的原理。\n\n首先,柏林噪声是由Ken Perlin发明的,主要用于生成自然噪声纹理。它的基本原理是在网格点上生成随机梯度向量,然后通过插值计算点处的噪声...
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[ { "content": "Find the largest natural number $k$ such that $3^k$ divides $2^{3^m} + 1$, where $m$ is any natural number.", "role": "user" }, { "content": "<think>\nOkay, so I need to find the largest natural number \\( k \\) such that \\( 3^k \\) divides \\( 2^{3^m} + 1 \\), where \\( m \\) is any ...
dolphin-r1-reasoning-deepseek
[ { "content": "A supportive and encouraging father, who is also a mathematician, helps his teenager research the history of magic. They discover that a famous 19th-century magician used a combination of algebraic and geometric principles to create some of his illusions. The father challenges the teenager with th...
dolphin-r1-reasoning-deepseek
[ { "content": "A gender rights activist is organizing a community workshop to educate people about gender equality and religious law. They have invited 40 participants to the workshop. Each participant receives a booklet containing 12 pages of information on gender rights and 8 pages on religious law. If the act...
dolphin-r1-reasoning-deepseek
[ { "content": "On the bisector of angle \\( B A C \\) of triangle \\( A B C \\), there is a point \\( M \\), and on the extension of side \\( A B \\) beyond point \\( A \\), there is a point \\( N \\) such that \\( A C = A M = 1 \\) and \\( \\angle A N M = \\angle C N M \\). Find the radius of the circumcircle o...
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[ { "content": "Sarah is a die-hard fan of the volleyball team Sm'Aesch Pfeffingen. She attended a series of 5 matches to cheer for her favorite team. In the first match, Sm'Aesch Pfeffingen scored 25 points. In the second match, they scored 18 points. They managed to score 22 points in the third match, while the...
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[ { "content": "Can left-handed people naturally fly?", "role": "user" }, { "content": "<think>\nOkay, so the question is whether left-handed people can naturally fly. Let me think about this. First, I need to clarify what's being asked. The user is asking if left-handed individuals have the innate ab...
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[ { "content": "The coordinates of the vertex of the quadratic function $y=-x^{2}+2x+n$ are $\\left(m,1\\right)$. The value of $m-n$ is ( )\n\nA: $-1$\n\nB: $0$\n\nC: $1$\n\nD: $2$", "role": "user" }, { "content": "<think>\nOkay, let's see. The problem is about a quadratic function, y = -x² + 2x + n, ...
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[ { "content": "Calculate the sum of the digits in the given positive integer, excluding any digits that are divisible by 3. Additionally, the algorithm should have a time complexity of O(n), where n is the number of digits in the integer.", "role": "user" }, { "content": "<think>\nOkay, let me try to...
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[ { "content": "Please explain the following problem in detail and provide code in Elixir:\nGiven the roots of two binary search trees, `root1` and `root2`, return `true` if and only if there is a node in the first tree and a node in the second tree whose values sum up to a given integer `target`.\n\n**Example 1:...
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[ { "content": "I am feeling quite anxious about my performance in the MGU M.B.A 3rd Semester Exam. I would like to know **how to manage exam-related anxiety effectively** and **ways to improve study habits for future exams**. Could you give me some practical advice on these aspects?", "role": "user" }, {...
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[ { "content": "A trader sells some meters of cloth for $8925 at the profit of $15 per meter of cloth. The cost price of one meter of cloth is $90. How many meters of cloth did the trader sell?", "role": "user" }, { "content": "<think>\nOkay, let's try to solve this problem step by step. So, the quest...
dolphin-r1-reasoning-deepseek
[ { "content": "Alex is a skilled locksmith who can open a simple safe in 4 minutes and a complex safe in 10 minutes. If Alex needs to open two simple safes and four complex safes to retrieve important documents, how long will it take for him to open all the safes?", "role": "user" }, { "content": "<t...
dolphin-r1-reasoning-deepseek
[ { "content": "我发现使用Intel语法在处理汇编语言时更容易阅读。如果我只关注Intel语法,我会错过什么重要的东西吗?是否有任何理由让我考虑切换到AT&T语法(除了能够阅读他人的AT&T汇编代码)?我注意到GDB默认使用AT&T语法。\n\n此外,我特别感兴趣的是汇编语法与Linux/BSD和C语言之间的关系。在这种情况下,语法的选择重要吗?", "role": "user" }, { "content": "<think>\n嗯,用户问的是关于在汇编语言中使用Intel语法是否会错过重要的东西,是否需要切换到AT&T语法,尤其是在Linux/BSD和C相关的环境中。首先,我需...
dolphin-r1-reasoning-deepseek
[ { "content": "你是IT解决方案专家,请生成《1 基于云管平台的容器管理与编排解决方案》方案的12个逻辑相关的提纲,每个提纲长度不超过18个字,要求调用发散性思维,结合趋势和前沿,生成最具潜力且有相关性的提纲,要求内容专业、表达清晰、书面化、学术化,符合中国网络安全要求。按照严格数字编号方式输出中文内容,比如:1.内容A 2.内容B", "role": "user" }, { "content": "<think>\n好的,用户让我生成一个关于基于云管平台的容器管理与编排解决方案的12个提纲。首先,我需要确定用户的需求是什么。他们可能正在准备一个技术方案或者项目计划,需要结构化的内...
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[ { "content": "generate a description with keywords and SEOs for Blooming Wall DPYC16 Spring Pink Flowers with Butterfly Textured Peel and Stick Wallpaper Self-Adhesive Prepasted Wallpaper Wall Décor include practical application on and uses can be applied include social media platform it can be used on and for ...
dolphin-r1-reasoning-deepseek
[ { "content": "$A$ and $B$ together can do a job in $2$ days; $B$ and $C$ can do it in four days; and $A$ and $C$ in $2\\frac{2}{5}$ days. \nThe number of days required for A to do the job alone is: \n$\\textbf{(A)}\\ 1 \\qquad \\textbf{(B)}\\ 3 \\qquad \\textbf{(C)}\\ 6 \\qquad \\textbf{(D)}\\ 12 \\qquad \\text...
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[ { "content": "A rectangular box $Q$ is inscribed in a sphere of radius $r$. The surface area of $Q$ is 672, and the sum of the lengths of its 12 edges is 168. What is $r$?", "role": "user" }, { "content": "<think>\nOkay, so I need to find the radius \\( r \\) of a sphere in which a rectangular box \...
dolphin-r1-reasoning-deepseek
[ { "content": "Given that $x_{1}$ and $x_{2}$ are the two roots of the quadratic equation $x^{2}-4x+3=0$, find $x_{1}+x_{2}-x_{1}x_{2}=\\_\\_\\_\\_\\_\\_$.", "role": "user" }, { "content": "<think>\nOkay, so I have this quadratic equation: x² - 4x + 3 = 0. The problem says that x₁ and x₂ are the two ...
dolphin-r1-reasoning-deepseek
[ { "content": "Premise: \"A woman running with a yellow tag on her shirt.\"\nHypothesis: \"A female with a yellow symbol on her shirt runs.\"\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- it is not possible to tell\n- no Stream of thoughts:", "role": "user" }, { "content": "<think>\...
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[ { "content": "A doctoral candidate is examining the evolution of warfare tools and techniques over several centuries. They have gathered data on the effectiveness of various tools measured by their impact factor, which is a function of technology level (T) and tactical deployment efficiency (E). The impact fact...
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[ { "content": "The natural number \\( a \\) is a multiple of 3, \\( a-1 \\) is a multiple of 4, and \\( a-2 \\) is a multiple of 5. What is the smallest value of \\( a \\)?", "role": "user" }, { "content": "<think>\nOkay, so I need to find the smallest natural number \\( a \\) that satisfies three co...
dolphin-r1-reasoning-deepseek
[ { "content": "Create a Python function that takes a string and a regular expression pattern and returns an iterator object that produces all non-overlapping matches of the pattern in the string. Use the `re` module for regular expression matching and the `finditer()` method to obtain an iterator object.", "...
dolphin-r1-reasoning-deepseek
[ { "content": "The average of five different positive whole numbers is $5$. If the difference between the largest and the smallest of these numbers is as large as possible, what is the average of the second and third smallest numbers?", "role": "user" }, { "content": "<think>\nOkay, let's see. The pr...
dolphin-r1-reasoning-deepseek
[ { "content": "I find the book \"Head First\" recommended by many people, but it's not really my style. Can anyone suggest another excellent book on this subject that is more straightforward and less fun?", "role": "user" }, { "content": "<think>\nOkay, so the user is looking for a book recommendatio...
dolphin-r1-reasoning-deepseek
[ { "content": "Rewrite this paragraph as song lyrics:\n\nNormal people don’t have destinies because they have choices. They are presented with an infinite number of decisions, which unfurl an infinite number of paths. Paths that run through time like the roots of a tree that won’t stop growing. Paths with millio...
dolphin-r1-reasoning-deepseek
[ { "content": "Please explain the reasoning behind the following solution and provide code in Dart:\nYou are given two string arrays, `queries` and `dictionary`. All words in each array comprise of lowercase English letters and have the same length.\n\nIn one **edit** you can take a word from `queries`, and chan...
dolphin-r1-reasoning-deepseek
[ { "content": "Construct an expression that checks if the length of a string is equal to the length of another string. Additionally, implement a function that counts the number of similar characters between the two strings.\n\n## Requirements:\n\n1. You may use any programming language.\n2. The strings may conta...
dolphin-r1-reasoning-deepseek
[ { "content": "Fifteen identical crates each with dimensions $2\\mathrm{ft}\\times 3\\mathrm{ft}\\times 5\\mathrm{ft}$ are stacked. Each crate's orientation is chosen at random. Calculate the probability that the stacked height is exactly $50\\mathrm{ft}$ tall. Express the probability as a reduced fraction $\\fr...
dolphin-r1-reasoning-deepseek
[ { "content": "Kaitlyn wants to buy a new bike but needs some money. She decides to borrow $15 from her sister, $60 from her aunt, $25 from her uncle, and receives $50 as a gift from her grandfather. She adds this to her savings of $80 and goes to the store to buy the bike and some accessories. If she spends 2/3...
dolphin-r1-reasoning-deepseek
[ { "content": "[https://en.wikipedia.org/wiki/Causal_model#Definition](https://en.wikipedia.org/wiki/Causal_model#Definition)\n[Wikpedia](https://stackoverflow.com) defines causal models as:\nan ordered triple $\\langle U, V, E\\rangle$, where $U$ is a set of exogenous variables whose values are determined by fa...
dolphin-r1-reasoning-deepseek
[ { "content": "Please explain the following problem in detail and provide code in Scala:\nYou are given two **0-indexed** integer arrays `nums1` and `nums2` of equal length `n` and a positive integer `k`. You must choose a **subsequence** of indices from `nums1` of length `k`.\n\nFor chosen indices `i0`, `i1`, ....
dolphin-r1-reasoning-deepseek
[ { "content": "You are tasked with implementing a function that checks the validity of a given Rust code snippet. The function should determine whether the code snippet contains a specific pattern and return a boolean value based on the presence of this pattern.\n\nYou are given a code snippet that represents a ...
dolphin-r1-reasoning-deepseek
[ { "content": "Calculate: $(-1+2) \\times 3 + 2^{2} \\div (-4)$.", "role": "user" }, { "content": "<think>\nOkay, let me try to solve this problem: (-1 + 2) × 3 + 2² ÷ (-4). Hmm, where do I start? I remember that when solving math problems, I should follow the order of operations, which is parenthese...
dolphin-r1-reasoning-deepseek
[ { "content": "You are tasked with implementing a function that processes a list of comments and removes any commented-out code snippets. The comments are represented as strings and may contain multi-line code snippets enclosed within `/*` and `*/`. Your task is to write a function `removeCommentedCode` that tak...
dolphin-r1-reasoning-deepseek
[ { "content": "A certain debt will be paid in some installments from January 1 to December 31 of a certain year. Each of the first 8 payments is to be $410; each of the remaining payments is to be $65 more than each of the first 8 payments. The average (arithmetic mean) payment that will be made on the debt for ...
dolphin-r1-reasoning-deepseek
[ { "content": "You are tasked with creating a Python class that simulates a simple robotic arm using the RBDL (Rigid Body Dynamics Library) and Gym environments. The robotic arm has two joints and can perform basic movements in a 2D space. Your task is to implement the `step` method in the `ArmJBDLEnv` class, wh...
dolphin-r1-reasoning-deepseek
[ { "content": "Hi, please reply to this email affirming I want to interview.\nemail: \nI have reviewed your application and resume and I am impressed. I would like to move forward in the interview process. Please contact me at to schedule a time a phone screening. Please be prepared to discuss your experiences, ...
dolphin-r1-reasoning-deepseek
[ { "content": "Given a sector with a radius of 8 and an arc length of 12, the central angle is \\_\\_\\_\\_\\_\\_, and the area of the sector is \\_\\_\\_\\_\\_\\_.", "role": "user" }, { "content": "<think>\nOkay, so I need to find the central angle and the area of a sector that has a radius of 8 and...
dolphin-r1-reasoning-deepseek
[ { "content": "Valerie's original cookie recipe makes 16 dozen cookies and calls for 4 pounds of butter, 8 cups of flour, and 4.5 ounces of chocolate chips. She also needs to convert the butter and chocolate chip measurements to grams, and the flour to liters. She only wants to make 4 dozen cookies for the weeke...
dolphin-r1-reasoning-deepseek
[ { "content": "\n As a prompt generator for a generative AI called \"Midjourney\", you will create image prompts for the AI to visualize. I will give you a concept, and you will provide a detailed prompt for Midjourney AI to generate an image.\n \n ...
dolphin-r1-reasoning-deepseek
[ { "content": "Generate a valid HTML page with the following styles and content:\n\n1. Set the background color of the page to yellow.\n2. Add a padding of 10 pixels to all sides of the page.\n3. Create a heading with the text \"Hello World!\" and center it horizontally on the page.\n4. Add a border to the headi...
dolphin-r1-reasoning-deepseek
[ { "content": "In a large population, a certain trait is distributed such that it is skewed to the right with a mean of m and a standard deviation of f. If 68% of the distribution lies within one standard deviation, f, of the mean, what is the value of the population's characteristic at the 90th percentile using...
dolphin-r1-reasoning-deepseek
[ { "content": "Jeff has 2032 ounces of peanut butter in 16, 28, 40, and 52 ounce jars. He has an equal number of each sized jar. How many jars of peanut butter does Jeff have?", "role": "user" }, { "content": "<think>\nOkay, let me try to figure out this peanut butter jar problem. So, Jeff has a tota...
dolphin-r1-reasoning-deepseek
[ { "content": "我想开发一个JavaScript函数,可以生成分形图案(无论是曼德博特集还是朱利亚集)作为SVG元素。是否可以将递归的层级设置为可自定义的?此外,我还想加入放大和缩小的功能。如何处理函数以异步方式运行的情况,即使在分形生成过程中也能保证用户交互的不间断?最后,有没有什么优化措施我可以实施,以提高函数的内存效率?", "role": "user" }, { "content": "<think>\n嗯,用户想开发一个生成分形图案的JavaScript函数,输出为SVG,并且有几个具体要求:自定义递归层级、放大缩小功能、异步处理保证交互、优化内存效率。那我得一步步拆解这...
dolphin-r1-reasoning-deepseek
[ { "content": "What is the sum of all of the solutions of the equation $\\frac{9x}{27} = \\frac{3}{x}$?", "role": "user" }, { "content": "<think>\nOkay, so I need to solve the equation (9x)/27 = 3/x and find the sum of all the solutions. Hmm, let's see. First, maybe I should simplify the equation to ...
dolphin-r1-reasoning-deepseek
[ { "content": "Develop a SQL query to count the number of people who are born before 1992 and have at least 10 years of work experience.", "role": "user" }, { "content": "<think>\nOkay, let's see. The user wants a SQL query to count the number of people born before 1992 with at least 10 years of work...
dolphin-r1-reasoning-deepseek
[ { "content": "Please write the following solution using Julia:\nThere exists an infinitely large grid. You are currently at point `(1, 1)`, and you need to reach the point `(targetX, targetY)` using a finite number of steps.\n\nIn one **step**, you can move from point `(x, y)` to any one of the following points...
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[ { "content": "There are 22 kids in a classroom. 12 kids are wearing socks, some are wearing shoes, 6 are wearing both, and 8 are barefoot. How many kids are wearing shoes?", "role": "user" }, { "content": "<think>\nOkay, let me try to figure out this problem. So, there are 22 kids in the classroom. ...
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[ { "content": "Compare the sizes: $-\\frac{3}{5}$______$-\\frac{3}{4}$ (Fill in \"$<$\" or \"$>$\").", "role": "user" }, { "content": "<think>\nOkay, so I need to compare the sizes of two negative fractions: -3/5 and -3/4. The question is asking whether -3/5 is less than or greater than -3/4. Hmm, le...
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[ { "content": "Calculate $7! - 6 \\cdot 6! - 2 \\cdot 6!$.", "role": "user" }, { "content": "<think>\nOkay, let's see. I need to calculate 7! minus 6 times 6! minus 2 times 6!. Hmm, factorials. Alright, first, maybe I should recall what factorials are. 7! means 7 factorial, which is 7 times 6 times 5...
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[ { "content": "Alex's sister is coming home from college in 30 days. Alex wants to surprise her with her favorite cookies, so he saves $3 each day until her return. If a box of cookies costs $5, how many boxes can he buy?", "role": "user" }, { "content": "<think>\nOkay, so Alex wants to buy cookies f...
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[ { "content": "convert this code from Scheme to Scala:\n```scheme\n(define PeekingIterator\n (lambda (iterator)\n (let ((next-val (if (null? iterator) #f (car iterator))))\n (lambda (message)\n (cond ((eq? message 'peek) next-val)\n ((eq? message 'next)\n (let ((current...
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[ { "content": "Given that the vectors $\\overset{→}{BA}=(3,-2)$ and $\\overset{→}{AC}=(0,6)$, find the value of $|\\overset{→}{BC}|$.\n\nA) $2 \\sqrt{6}$\nB) $5$\nC) $\\sqrt{26}$\nD) $6$", "role": "user" }, { "content": "<think>\nOkay, let's see. I need to find the magnitude of vector BC given vector...
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[ { "content": "What is the probability that the sum of two dice will yield a 9, and then when both are thrown again, their sum will again yield a 9? Assume that each die has 8 sides with faces numbered 1 to 8.", "role": "user" }, { "content": "<think>\nOkay, so I need to figure out the probability of...
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[ { "content": "Let x represent the depth Southton buries their time capsule and y represent the depth Northton buries their time capsule. Northton's time capsule is buried z feet higher than 4 times the depth of Southton's time capsule. Write an equation to represent the relationship between x, y, and z.", "...
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[ { "content": "Given a sphere $O$ whose center is at a distance equal to half the radius of the sphere from a plane passing through three points $A$, $B$, and $C$ on the surface of the sphere, and given $AB=3$, $\\tan \\angle ACB= -\\sqrt{3}$, then the volume of sphere $O$ is _______.", "role": "user" }, ...
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[ { "content": "Generate a JavaScript code that isn't using any built-in functions for reversing a string.", "role": "user" }, { "content": "<think>\nOkay, I need to write JavaScript code that reverses a string without using any built-in functions. Let's see... The user probably wants me to avoid thin...
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[ { "content": "Carla's teacher tells her that she needs to collect 30 leaves and some bugs for a project that's due in 10 days. Carla needs to collect 5 items each day if she always wants to collect the same daily amount. How many bugs does Carla need to collect?", "role": "user" }, { "content": "<th...
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[ { "content": "A man's current age is (1/3) of the age of his father, and the father's age is (4/5) of the age of the grandfather. After 8 years, the man's age will be (2/5) of his father's age, and the father's age will be (11/15) of the grandfather's age. What are the current ages of the father and grandfather...
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[ { "content": "人工智能如何帮助我用Python对数字数组进行排序?", "role": "user" }, { "content": "<think>\n嗯,用户想知道如何用Python对数字数组进行排序,并且想知道人工智能能怎么帮助他。首先,我得考虑用户可能的背景。他可能刚开始学编程,或者已经有一定基础但想更高效地排序。他提到人工智能,可能想了解AI相关的工具或方法,比如使用现成的AI库,或者用机器学习模型来辅助排序?不过通常来说,排序是一个基础问题,传统算法已经非常高效,可能用户更想知道如何用Python内置的方法或者常见算法实现排序,而AI在这里的作用可能更多是辅助生成代码...
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[ { "content": "On Saturday, there were 80 people at a football game. On Monday, there were 25% fewer people at the game compared to Saturday. On Wednesday, the number of attendees increased by 50% compared to Monday. On Friday, there were the same number of people as on Saturday and Monday combined. On Thursday,...
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[ { "content": "A certain number of paving stones are required to pave a rectangular courtyard 30 m long and 16 m wide. If each paving stone measures a certain length and 1 m wide, and 240 paving stones are needed in total, what is the length of each paving stone?", "role": "user" }, { "content": "<th...
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[ { "content": "Please explain the following problem in detail and provide code in ANSI C:\nThere is a restaurant with a single chef. You are given an array `customers`, where `customers[i] = [arrivali, timei]:`\n\n* `arrivali` is the arrival time of the `ith` customer. The arrival times are sorted in **non-dec...
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[ { "content": "Calculate the result of $(-12)×(\\frac{2}{3}-\\frac{1}{4}+\\frac{1}{6})$.\n\nA: $9$\n\nB: $-3$\n\nC: $-7$\n\nD: $-11$", "role": "user" }, { "content": "<think>\nOkay, let me try to solve this problem step by step. The question is asking for the result of (-12) multiplied by the express...
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[ { "content": "Explain how expression-oriented programming works in Java.", "role": "user" }, { "content": "<think>\nOkay, I need to explain how expression-oriented programming works in Java. Hmm, first, I should recall what expression-oriented programming (EOP) means. From what I remember, in EOP, e...
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[ { "content": "If an arc of $60^{\\circ}$ on circle $X$ has the same length as an arc of $20^{\\circ}$ on circle $Y$, then what is the ratio of the area of circle $X$ to the area of circle $Y$? Express your answer as a common fraction.", "role": "user" }, { "content": "<think>\nOkay, so I have this p...
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[ { "content": "\n As a prompt generator for a generative AI called \"Midjourney\", you will create image prompts for the AI to visualize. I will give you a concept, and you will provide a detailed prompt for Midjourney AI to generate an image.\n \n ...
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[ { "content": "convert this code to Swift:\n```dart\nclass TreeNode {\n int val;\n TreeNode left;\n TreeNode right;\n TreeNode(this.val, [this.left, this.right]);\n}\n\nclass Solution {\n int dfs(TreeNode root, List<int> count) {\n if (root == null) {\n return 0;\n }\n int leftSum = dfs(root.l...
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[ { "content": "我如何创建一个React组件来显示用户注册的表单?", "role": "user" }, { "content": "<think>\n好的,用户想创建一个React组件来显示用户注册表单。我需要一步步引导他们怎么做。首先,我得考虑React的基本结构,比如函数组件还是类组件,可能函数组件更简单,用Hooks来处理状态。\n\n然后,表单需要哪些字段?通常有姓名、邮箱、密码、确认密码。每个字段都需要对应的input元素,并管理它们的状态。应该用useState来分别管理每个字段的值,或者可能合并成一个状态对象,这样更方便。\n\n接下来,表单提交的处理。需要阻止默...
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[ { "content": "Alice's empty swimming pool can hold 32,000 gallons of water when full. The pool will be filled by 5 hoses, with each hose supplying 4 gallons of water per minute. If the hoses need to be turned off for maintenance for 15 minutes after every 45 minutes of operation, how many total hours will it ta...
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[ { "content": "A fast food chain currently has 10 different menu items, 3 of which are vegetarian. A loyal customer who supports the chain wants to increase the proportion of vegetarian options to at least 50% by introducing additional vegetarian items.\n\n1. If the customer proposes to add \\( n \\) new vegetar...
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[ { "content": "A store received 20 pallets of paper products to stock. Half the pallets were paper towels, a quarter were tissues, and a fifth were paper plates. The rest were paper cups. How many pallets of paper cups did the store receive?", "role": "user" }, { "content": "<think>\nOkay, let's see....
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[ { "content": "Suggest an appropriate machine learning algorithm for predicting credit card fraud?\nNo input", "role": "user" }, { "content": "<think>\nOkay, the user is asking for a machine learning algorithm to predict credit card fraud. Let me start by recalling what I know about fraud detection. ...
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[ { "content": "translate this code from TypeScript to Rust:\n```typescript\nfunction productExceptSelf(nums: number[]): number[] {\n const n = nums.length;\n const answer = new Array(n).fill(1);\n\n let left = 1;\n for (let i = 0; i < n; i++) {\n answer[i] *= left;\n left *= nums[i];\n ...
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[ { "content": "Given $f(x-1) = 2x + 5$, then $f(3) = \\boxed{13}$.", "role": "user" }, { "content": "<think>\nOkay, so I need to figure out how to solve this problem: Given that f(x - 1) = 2x + 5, then f(3) is supposed to be 13. Hmm, let me think. Alright, let's start by understanding what's being as...
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