messages list | dataset_source string |
|---|---|
[
{
"role": "user",
"content": "Martin went on an eight-hour business trip. During the first half of the trip, he traveled at a speed of 70 kilometers per hour and during the second half at a different speed. He traveled 620 kilometers during the journey. What was his speed during the second half of the trip?... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "While working with Hadoop clusters, I've faced challenges related to data replication. Could you provide a comprehensive guide on effectively handling, examining, and resolving problems related to data replication in the Hadoop cluster environment? This should cover possible dr... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Please explain the following problem in detail and provide code in PHP:\nGiven an `n x n` integer matrix `grid`, return _the minimum sum of a **falling path with non-zero shifts**_.\n\nA **falling path with non-zero shifts** is a choice of exactly one element from each row of `... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "我如何在R中生成一个程序来可视化给定数据集的平均值、中位数和众数？"
},
{
"role": "assistant",
"content": "<think>\nLet's break down the thought process to generate the R code and explanation for visualizing mean, median, and mode.\n\n**1. Deconstructing the Request:**\n\nThe user wants an R program... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "我如何编写一个C程序，该程序可以在给定字符串中检测到特定字符并打印其索引？"
},
{
"role": "assistant",
"content": "<think>\nLet's break down the thought process of generating the C program to find a character in a string and print its index.\n\n1. **Understanding the Request:** The user wants a C progra... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Jackie can do 5 push-ups in 10 seconds. She can do 22 push-ups in one minute if she takes a certain number of 8-second breaks. How many breaks does she take?"
},
{
"role": "assistant",
"content": "<think>\nLet P be the number of push-ups Jackie can do and T be the t... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "convert this code to Swift:\n```R\nsum_of_strength <- function(strength){\n MOD <- 1000000007\n res <- 0\n strength_len <- length(strength)\n for (i in 1:strength_len){\n minimum <- total <- strength[i]\n for (j in i:strength_len){\n minimum <- min(minimum, stren... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given a plane rectangular coordinate system established with one side of a square as the axis, if its perspective drawing is a parallelogram with a side length of 4, then the area of this parallelogram is ( ) \nA: 16 \nB: 16 or 64 \nC: 64 \nD: None of the above"
},
{
... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "我遇到了 Rust 中的模式匹配问题。我有一个叫做 Person 的结构体，其中包含 name、age 和 choice 字段。choice 字段是一个名为 Choices 的枚举。我正尝试在名为 find 的函数中使用模式匹配，根据 choice 和 age 的值执行不同的操作。但是，我遇到了一个问题，即在模式匹配期间结构体的值被部分移动，我无法在下一个方法中使用它。这是我的代码：\n\n```rust\nstruct Person {\n name: String,\n age: i32,\n choice: Choices\n... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Please explain the reasoning behind the following solution and provide code in Perl:\nGiven an integer array `nums` and an integer `k`, return the maximum sum of a **non-empty** subsequence of that array such that for every two **consecutive** integers in the subsequence, `nums... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Each pizza is topped with 12 pepperoni slices. One package of pepperoni contains 18 slices. If Amelia needs to make 6 pizzas, how many packages of pepperoni does she need to buy?"
},
{
"role": "assistant",
"content": "<think>\n1. **Understand the problem:** Amelia n... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Uncle Ben is 50 years old. Daniel is 7 years younger than Edward, and Edward is two-thirds as old as Uncle Ben. How old is Daniel?\n$\\mathrm{(A)}\\ 26\\qquad\\mathrm{(B)}\\ 27\\qquad\\mathrm{(C)}\\ 28\\qquad\\mathrm{(D)}\\ 29\\qquad\\mathrm{(E)}\\ 33$"
},
{
"role": "as... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Write a Python function that takes a string and returns `True` if the first and last characters are the same, and `False` otherwise. If the string is empty or has only one character, return `True`."
},
{
"role": "assistant",
"content": "<think>\nLet's break down the... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"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 ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "convert this code from Scala to Rust:\n```scala\ndef stringSumScores(s: String): Int = {\n var score = 0\n var prefixLength = 0\n \n for (i <- s.length - 1 to 0 by -1) {\n if (s(i) == s(s.length - 1)) {\n prefixLength += 1\n } else {\n prefixLength = 0\n ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "How many lattice points lie on the graph of the equation $x^2-y^2=60$?"
},
{
"role": "assistant",
"content": "<think>\nThe equation given is $x^2 - y^2 = 60$. We are looking for lattice points, which means points $(x, y)$ where both $x$ and $y$ are integers.\nWe can... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "请围绕以下参考资料撰写一篇文章，内容一定要口语化，以下是参考资料：3月27日，飞凡汽车中大型豪华纯电轿车——新豪华大智座飞凡F7正式上市，全系标配越级舒适的飞凡巴赫座舱让每一个座位都是C位，配合前所未有的驾享体验，飞凡F7成为主流豪华轿车市场中不容错过的价值首选。\n\n红点大奖设计延伸，百万掀背轿跑设计\n饱受赞誉的飞凡F7高颜值源自红点奖设计精髓，并通过飞凡羽逸家族化设计，展现出超百万掀背轿跑的势能之美。5米车长，3米轴距的中大型尺寸车身由经典美学线条勾勒，带来飞凡F7出众的视觉享受，更为其低至0.206的风阻系数奠定基础。\n\n飞凡巴赫座舱极... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Among the numbers $\\frac{1}{3}$, $1.414$, $-\\sqrt{2}$, $\\pi$, $\\sqrt[3]{8}$, how many of them are irrational numbers?\n\nA: $1$\nB: $2$\nC: $3$\nD: $4$"
},
{
"role": "assistant",
"content": "<think>\nWe are asked to find the number of irrational numbers among th... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "我如何编写一个用Python计算圆周长的代码？"
},
{
"role": "assistant",
"content": "<think>\nLet's break down the thought process for generating the Python code to calculate the circumference of a circle, aiming for a comprehensive and user-friendly answer.\n\n1. **Understanding the Cor... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "有没有办法创建一个程序，可以在没有用户输入的情况下生成1到100之间的随机数？"
},
{
"role": "assistant",
"content": "<think>\nLet's break down the thought process behind crafting that explanation on generating random numbers in Python without user input.\n\n**1. Deconstructing the Request:**\n\nThe core... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "How can I create a React component that displays a progress bar which increases every second based on a given click rate?"
},
{
"role": "assistant",
"content": "<think>\nHere's a breakdown of the thought process behind creating the React progress bar component:\n\n1... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "How can I develop a C++ code to find the most repeated character in a given string?"
},
{
"role": "assistant",
"content": "<think>\nHere's a breakdown of my thought process in constructing the C++ code and explanation for finding the most repeated character:\n\n1. *... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Develop an embedded system to detect temperature using 5 different sensors"
},
{
"role": "assistant",
"content": "<think>\nHere's a breakdown of the thought process behind creating the detailed response for developing a temperature detection embedded system with 5 s... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "What strategies can I employ to utilize Quantum Machine Learning for enhancing the predictive analytics performance of my advanced bioinformatics software?"
},
{
"role": "assistant",
"content": "<think>\nHere's a thinking process to arrive at the comprehensive answe... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Yuan Longping, the recipient of the \"Republic Medal\" and the \"Father of Hybrid Rice,\" has made outstanding contributions to global food security. Hybrid rice is planted in more than 40 countries worldwide, with an area of 8 million hectares planted outside of China. A villa... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Last year Elaine spent 10% of her annual earnings on rent. This year she earned a certain percentage more than last year and she spent 30% of her annual earnings on rent. The amount she spent on rent this year is 345% of the amount spent on rent last year. What percentage more ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "A scientific journal editor, Emma, is helping a botanist publish a series of five articles about newly discovered plants. For each article, Emma spends 3 hours reviewing the content and 2 hours coordinating with the botanist. Additionally, she spends 1 hour preparing each artic... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Alex is a young tech startup founder who loves to binge on web series for inspiration and relaxation. Every week, Alex watches 3 different web series. Each series releases 2 new episodes per week, and each episode is 45 minutes long. After watching all the new episodes each wee... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Maya has a greenhouse that has 15 shelves with 8 pots in each shelf. She places ferns in the first 2 shelves and succulents in the last 3 shelves. The rest of the shelves will be filled with begonias. How many begonias will Maya plant?"
},
{
"role": "assistant",
"co... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Suppose that $b$ is a positive integer greater than or equal to $2.$ When $197$ is converted to base $b$, the resulting representation has $4$ digits. What is the number of possible values for $b$?"
},
{
"role": "assistant",
"content": "<think>\nLet $N = 197$. We ar... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "convert this code to Lisp:\n```scala\nclass DiagonalSum(mat: Array[Array[Int]]) {\n def calculate(): Int = {\n val n = mat.length\n var sum = 0\n for (i <- 0 until n) {\n sum += mat(i)(i)\n if (i != n - i - 1) sum += mat(i)(n - i - 1)\n }\n sum\n }\n}... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Please explain the reasoning behind the following solution and provide code in Object Pascal:\nYou are given a 2D integer array, `queries`. For each `queries[i]`, where `queries[i] = [ni, ki]`, find the number of different ways you can place positive integers into an array of s... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "You are given a string containing a mix of alphanumeric characters and special symbols. Your task is to write a function to extract and return the alphanumeric characters from the input string in the order they appear, while ignoring the special symbols.\n\nWrite a function `ex... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "You are tasked with implementing a file locking mechanism in PHP to ensure that a file is not accessed by multiple processes simultaneously. You need to write a function that locks a file, updates a counter stored in the file, and returns a unique code based on the current date... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Suppose that $(v_n)$ is a sequence of real numbers satisfying\n\\[v_{n+2}=3v_{n+1}+v_n + 1\\]\nand that $v_3=11$ and $v_6=242$. What is $v_5$?"
},
{
"role": "assistant",
"content": "<think>\nLet the recurrence relation be $v_{n+2} = 3v_{n+1} + v_n + 1$. We are given... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Jamal is a local football enthusiast in Saint Kitts and Nevis, who dreams of playing in the SKNFA Premier League one day. He practices every evening after school for 2 hours on weekdays and 3 hours on each weekend day. If there are 5 weekdays and 2 weekend days in a week, how m... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "You will be given a definition of a task first, then some input of the task.\nIn this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer t... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "If the function $f(x) = x^2 - ax$ is decreasing on $(-\\infty, 2]$ and increasing on $(2, +\\infty)$, then $a =$ ______."
},
{
"role": "assistant",
"content": "<think>\nThe function is given by $f(x) = x^2 - ax$.\nWe are given that $f(x)$ is decreasing on $(-\\infty... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "the population of bacteria culture doubles every 2 minutes . approximately how many minutes will it take for the population to grow from 1000 to 500000 bacteria ?"
},
{
"role": "assistant",
"content": "<think>\nLet P(t) be the population of bacteria at time t (in mi... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given real numbers $\\alpha, \\beta, \\gamma$ such that $\\beta \\gamma \\neq 0$ and $\\frac{1-\\gamma^{2}}{\\beta \\gamma} \\geq 0$, prove that:\n\\[ 10\\left(\\alpha^{2}+\\beta^{2}+\\gamma^{2}-\\beta \\gamma^{2}\\right) \\geq 2\\alpha \\beta + 5 \\alpha \\gamma. \\]"
},
{... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Sarah, a tech-savvy teenager, uses her smartphone instead of a traditional alarm clock to wake up every morning. Her phone has a special app that tracks her sleep and sets an optimal wake-up time within a 30-minute window. On a school night, Sarah sets her phone to wake her up ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "You are tasked with implementing a function to_refs that converts a linked list of mutable references into a vector of mutable references. The List struct is defined as follows:\n\n```rust\nstruct List<T> {\n value: T,\n next: Option<Box<List<T>>>,\n}\n```\n\nThe to_refs ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "我如何在Python中生成一个计算给定整数流的滚动中位数的函数？"
},
{
"role": "assistant",
"content": "<think>\nLet's break down the thought process behind creating the Python function for calculating the rolling median of a stream of integers.\n\n1. **Understanding the Problem:** The core requir... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "A shopping center sells T-shirts at $8 each, a sweater at a certain price, and a jacket at $80. The jacket is on sale with a 10% discount. The sales tax is 5%. Kevin wants to buy six T-shirts, four sweaters, and five jackets for his children. He has to pay $504 for all the item... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "The terms of the geometric sequence $\\{a_n\\}$ are all positive, and $a_5a_6 + a_4a_7 = 18$. Find the value of $\\log_3a_1 + \\log_3a_2 + \\dots + \\log_3a_{10}$."
},
{
"role": "assistant",
"content": "<think>\nLet the geometric sequence be $\\{a_n\\}$. Since it is... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Let $\\mathbf{a},$ $\\mathbf{b},$ $\\mathbf{c}$ be vectors such that $\\|\\mathbf{a}\\| = 1,$ $\\|\\mathbf{b}\\| = 6,$ $\\|\\mathbf{c}\\| = 3,$ and\n\\[\\mathbf{a} \\times (\\mathbf{a} \\times \\mathbf{b}) = \\mathbf{c}, \\quad \\mathbf{a} \\cdot \\mathbf{c} = 0.\\]\nIf $\\thet... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "In the acute triangle $\\triangle ABC$, $M$ is the midpoint of side $BC$. Point $P$ is inside $\\triangle ABC$ such that $AP$ bisects $\\angle BAC$. The line $MP$ intersects the circumcircles of $\\triangle ABP$ and $\\triangle ACP$ at second points $D$ and $E$, respectively. P... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "For a given list and integer n, write a program that calculates and prints the coefficient of variation (standard deviation divided by mean) of every sub-list of n consecutive elements. The list = [2, 6, 12, 20], n = 3."
},
{
"role": "assistant",
"content": "<think>... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "translate this code to Go:\n```groovy\nimport java.util.ArrayDeque\n\ndef minSwaps(nums1, nums2) {\n def n = nums1.size()\n def swaps = 0\n for (int i = 1; i < n; i++) {\n if (nums1[i] <= nums1[i-1] || nums2[i] <= nums2[i-1]) {\n if (nums1[i] > nums2[... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Can you provide a JavaScript code to remove any strings from a data set that contain a specific word?"
},
{
"role": "assistant",
"content": "<think>\nHere's a breakdown of the thought process for creating the JavaScript code to remove strings containing a specific w... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given that \\\\(f(x)\\\\) is an odd function defined on \\\\(\\mathbb{R}\\\\), and when \\\\(x \\in (-\\infty, 0)\\\\), \\\\(f(x) = -x^{2} + 2x\\\\), find the value of \\\\(f(3)\\\\)."
},
{
"role": "assistant",
"content": "<think>\nThe problem is given that $f(x)$ i... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "A rope has a length of 200 meters. Stefan cuts the rope into four equal parts, gives his mother half of the cut pieces, and subdivides the remaining pieces into two more equal parts. What's the length of each piece?"
},
{
"role": "assistant",
"content": "<think>\nLe... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given that the equation of the tangent line to the graph of the function $y=f(x)$ at the point $(2,f(2))$ is $x-2y+1=0$, find the value of $f(2)+f''(2)$. The options are:\nA: $2$\nB: $1$\nC: $- \\dfrac {3}{2}$\nD: $3$"
},
{
"role": "assistant",
"content": "<think>\n... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "A bear is hunting for her cubs and herself. She needs 280 pounds of meat in a week. Each cub needs 50 pounds a week and she has 6 cubs. She hunts rabbits, which are 4.5 pounds each. If she hunts daily, how many rabbits does she need to catch each day?"
},
{
"role": "ass... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given that the positive numbers $x$ and $y$ satisfy the equation $\\frac{8}{x} + \\frac{1}{y} = 1$, find the minimum value of $x + 2y$.\n\nA: $18$\nB: $16$\nC: $6\\sqrt{2}$\nD: $6\\sqrt{2} - 1$"
},
{
"role": "assistant",
"content": "<think>\nWe are given the equatio... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Devise a procedural code in JavaScript that, beyond simply counting, also goes on to generate an array of specific leap years that are contained within a specified spectrum of years as per the Gregorian calendar. The complexity of such a program would lie in structurally design... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Calculate the product of $110110_2 \\cdot 111_2$ and express your answer in base 2."
},
{
"role": "assistant",
"content": "<think>\nWe are asked to calculate the product of two binary numbers $110110_2$ and $111_2$ and express the answer in base 2.\nFirst, let's con... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given that vectors $\\overrightarrow{a} = (x+1, 2)$ and $\\overrightarrow{b} = (1, -1)$ are parallel, find the value of $|\\overrightarrow{a} + \\overrightarrow{b}| = (\\ \\ \\ \\ )$.\nA: $\\sqrt{10}$\nB: $\\frac{\\sqrt{10}}{2}$\nC: $\\sqrt{2}$\nD: $\\frac{\\sqrt{2}}{2}$"
},
... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "The figure shows rectangle $ABCD$ with segment $PQ$ dividing the rectangle into two congruent squares. How many right triangles can be drawn using three of the points $\\{A,P,B,C,Q,D\\}$ as vertices? [asy]\ndraw((0,0)--(8,0)--(8,4)--(0,4)--cycle);\ndraw((4,0)--(4,4));\nlabel(\"... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Ahmad is a loyal supporter of the United Malays National Organisation (UMNO). He plans to organize a small community event to celebrate an important milestone for the party. Ahmad decides to distribute 45 UMNO flags and 60 UMNO badges among the attendees. If he wants to ensure ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Angie has a jar that contains 2 red marbles, 2 blue marbles, and no other marbles. She randomly draws 2 marbles from the jar. If the marbles are the same color, she discards one and puts the other back into the jar. If the marbles are different colors, she discards the red marb... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given the equation q ' = 3 q - 3, what is the value of ( 7 ' ) ' ?"
},
{
"role": "assistant",
"content": "<think>\nLet's first understand the notation.\nThe equation given is q ' = 3 q - 3.\nThis suggests that ' is an operation on a variable q.\nThe equation defines... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Paraphrase the sentence \"The weather was very inclement yesterday, so I couldn't go out.\":\nIt was not possible to go out because of the bad weather yesterday."
},
{
"role": "assistant",
"content": "<think>\nHere's a thinking process to arrive at various paraphras... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "It takes Avery 2 hours to build a brick wall while Tom can do it in 4 hours. If the two start working together and after an hour Avery leaves, how much time will it take Tom to complete the wall on his own?"
},
{
"role": "assistant",
"content": "<think>\nLet's first... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Draft a humorous email to a colleague about an upcoming team-building event. The email must be exactly 150 words long, include the word \"relaxation\" at least four times, the word \"snacks\" at least three times, and the phrase \"OFFICE OLYMPICS\" in all caps twice."
},
{
... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given the function $f(x)=\\frac{1}{e^{x}}-e^{x}+2x-\\frac{1}{3}x^{3}$ (where $e$ is the base of the natural logarithm), if $f(3a^{2})+f(2a-1)\\geqslant 0$, then the range of values for the real number $a$ is _______."
},
{
"role": "assistant",
"content": "<think>\nL... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Compute the product of the matrices:\n\\[\n\\begin{pmatrix} \n2 & 0 & -1 \\\\\n1 & 3 & -2 \\\\\n0 & 5 & 4 \\\\\n-2 & 2 & 3 \n\\end{pmatrix} \n\\begin{pmatrix} \n3 & -1 & 0 & 4\\\\ \n2 & 0 & -3 & -1\\\\ \n1 & 0 & 0 & 2 \n\\end{pmatrix}.\n\\]"
},
{
"role": "assistant",
... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "A stock investment increased by 30% in 2006. Starting at this new value, what percentage decrease is needed in 2007 to return the stock to its original price at the beginning of 2006?"
},
{
"role": "assistant",
"content": "<think>\nLet the original stock price at th... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Tamika drove for some hours at an average speed of 45 miles per hour. Logan drove for 5 hours at 55 miles an hour. Tamika drove 85 miles farther than Logan. How many hours did Tamika drive?"
},
{
"role": "assistant",
"content": "<think>\nLet $T$ be the number of hou... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Let \\( S = \\left\\{ p_1 p_2 \\cdots p_n \\mid p_1, p_2, \\ldots, p_n \\text{ are distinct primes and } p_1, \\ldots, p_n < 30 \\right\\} \\). Assume 1 is in \\( S \\). Let \\( a_1 \\) be an element of \\( S \\). We define, for all positive integers \\( n \\):\n\\[ a_{n+1} = \... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "In quadrilateral $ABCD$, $AB = 6$, $BC = 19$, $CD = 6$, $DA = 10$, and $BD$ is an integer. What is $BD$?\nA) 13\nB) 14\nC) 15\nD) 16\nE) 17"
},
{
"role": "assistant",
"content": "<think>\nLet $ABCD$ be a quadrilateral with given side lengths $AB = 6$, $BC = 19$, $CD... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Given $\\overrightarrow {a}=(1, 2)$ and $\\overrightarrow {b}=(-2, k)$, find the value of the real number $k$ such that $\\overrightarrow {a} \\perp \\overrightarrow {b}$."
},
{
"role": "assistant",
"content": "<think>\nThe problem gives two vectors $\\overrightarro... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Where are there millions of blowfish?\nOptions:\n- atlantic ocean\n- jungle\n- cuba\n- sea water\n- lake\nLet's think carefully first. Step-by-step reasoning process:"
},
{
"role": "assistant",
"content": "<think>\n1. **Analyze the question:** The question asks \"Wh... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Выдели главное в тексте:\nНаводнение – стихийное гидрологическое явление, связанное с повышением уровня воды в водоемах и водостоках. Наводнение – значительное затопление местности в результате подъема воды в реке, водохранилище или море, наносящее материальный ущерб экономике,... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Define the function $g$ on the set of integers such that \\[g(n)= \\begin{cases} n-4 & \\mbox{if } n \\ge 2000 \\\\ g(g(n+7)) & \\mbox{if } n < 2000. \\end{cases}\\] Find $g(75)$."
},
{
"role": "assistant",
"content": "<think>\nWe are given a recursive function $g(n... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Colston's teacher has a 20-ounce thermos that she fills with coffee and 1/2 cup of milk. She does this twice a day for a certain number of days in a week. After learning how much coffee she drinks, she decides to drink 1/4 of what she normally drinks and now drinks 40 ounces of... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "In the intricate task of building a resilient serverless framework utilizing AWS Lambda and API Gateway, I've stumbled upon initial hurdles. Could you furnish a detailed, sequential manual for adeptly establishing a serverless ecosystem using AWS Lambda and API Gateway, address... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Lily has 80 oranges in her orchard, categorized into small, medium, and large sizes, each with a different price. The small oranges cost $1, medium oranges cost $2.5, and large oranges cost $4. If a customer buys 8 small oranges, 10 medium oranges, and 5 large oranges, how much... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "The difference between compound interest and simple interest on a certain amount of money at a certain rate per annum for 2 years is 20. The sum is 8000.000000000171. What is the rate of interest per annum?"
},
{
"role": "assistant",
"content": "<think>\nLet P be th... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "There are 4 types of pencils and 6 types of ballpoint pens. How many ways can you choose one type of pencil and one type of ballpoint pen?"
},
{
"role": "assistant",
"content": "<think>\nLet P be the number of types of pencils available and B be the number of types ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "port this code from Swift to Ruby:\n```swift\nfunc maxProfit(_ prices: [Int]) -> Int {\n var profit = 0\n \n for i in 1..<prices.count {\n profit += max(prices[i] - prices[i-1], 0)\n }\n \n return profit\n}\n```"
},
{
"role": "assistant",
"c... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Carrie harvested 200 tomatoes, 350 carrots, 120 eggplants, and 75 cucumbers on her farm. If she can sell a tomato for $1, a carrot for $1.50, an eggplant for $2.50, and a cucumber for $1.75, roughly how much money can she make if she sells all of her vegetables?"
},
{
"... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "The 30 students in Yejin's class have their own attendance numbers from 1 to 30. Among the students in Yejin's class, students wearing short sleeves today are students number 1, 3, 7, 10, 23, and 27, and students number 1, 9, 11, 20, and 23 are wearing short pants today, how ma... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Determine the terminating decimal expansion of $\\frac{17}{200}$."
},
{
"role": "assistant",
"content": "<think>\nTo determine the terminating decimal expansion of the fraction $\\frac{17}{200}$, we need to divide 17 by 200.\nWe can perform long division, or we can ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "A film studies scholar is planning to attend the San Francisco Silent Film Festival for the first time. The festival spans 4 days, and each day features 3 silent films. If the scholar plans to watch 2 films each day and spend 15 minutes before each film discussing its historica... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Mary loves eating fruits. She paid some amount for berries, and $6.83 for peaches with a $20 bill. Mary received $5.98 as change. How much did she pay for the berries?"
},
{
"role": "assistant",
"content": "<think>\nLet B be the amount Mary paid for berries.\nLet P ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "I need to create a guideline for incorporating ergonomic equipment in office spaces to prevent musculoskeletal disorders. Please design a detailed plan that includes 3 sections: 1) Assessment of current workstation setups, 2) Recommendations for ergonomic improvements, and 3) I... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "How can I write a C# program that can search a list of strings for any record that contains a specified substring?"
},
{
"role": "assistant",
"content": "<think>\nHere's a thought process for generating the C# code and explanation for searching a list of strings for... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Compose a one-paragraph analysis of the impact of artificial intelligence on financial risk assessment. Your response should be entirely in English, and you must include a postscript that references a recent technological advancement. End your analysis with the phrase, \"Innova... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "A box contains 24 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. What is the probability that at least one of these is defective?"
},
{
"role": "assistant",
"content": "<think>\nLet $N$ be the total number of electric bul... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Give me the Java version of the following:\ndef unique_even_digit_sum_elements(x):\n \"\"\"Given an array of positive integers x, this function must return a sorted list of unique elements that have even digit sums and do not occur more than once in the input list.\n\n Th... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Maria is a pregnant woman who trusts and values the expertise of her prenatal care specialist. To ensure she gets the right amount of nutrients, her specialist has recommended a daily intake of 80 grams of protein. Maria prefers to get her protein from three main sources: eggs,... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Ìjọba ìbílẹ̀ mélòó ni ó wà ní ìjọba ìpínlẹ̀ Bauchi?"
},
{
"role": "assistant",
"content": "<think>\n1. **Identify the language:** The question is in Yoruba.\n\n2. **Translate the question to English:** \"How many local government areas are there in Bauchi State?\" ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "问题：猫的生命周期是多长？\n"
},
{
"role": "assistant",
"content": "<think>\n1. **Identify the core question:** The question is about the lifespan of cats.\n\n2. **Consider different aspects affecting lifespan:** Cat lifespan isn't a single fixed number. Factors like breed, lif... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "The cost of flying a plane for 1 hour consists of two parts: a fixed part of 4900 yuan, and a variable part P (yuan) which is a function of the plane's flying speed v (kilometers per hour) given by the formula $P=0.01v^2$. Given that the distance between locations A and B is a ... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Eliza buys 200 ornamental rings to sell in their local shop, twice the number of the remaining stock. After selling 3/4 of the total stock, her mother buys 300 more ornamental rings, and after three days, sells some of them. There are 225 ornamental rings remaining in the store... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "Find the minimum value of the function $f(x)=2x^{2}-2ax+3$ in the interval $[-1,1]$."
},
{
"role": "assistant",
"content": "<think>\nThe function is a quadratic function $f(x) = 2x^2 - 2ax + 3$. We want to find the minimum value of this function in the interval $[-1... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "How can I divide a list of 24 integers into two sets, such that the sum of the first set is three times larger than the sum of the second set and the difference between the sums of the two sets is minimized? Additionally, ensure that the size of each set is no larger than 15. C... | dolphin-r1-reasoning-flash |
[
{
"role": "system",
"content": "You are an AI assistant that helps people find information. User will you give you a question. Your task is to answer as faithfully as you can. While answering think step-by-step and justify your answer."
},
{
"role": "user",
"content": "The majority of multicellu... | dolphin-r1-reasoning-flash |
[
{
"role": "user",
"content": "For how many integers $1\\leq k\\leq 2013$ does the decimal representation of $k^k$ end with a $1$ ?"
},
{
"role": "assistant",
"content": "<think>\nLet $N = k^k$. We want to find the number of integers $1 \\leq k \\leq 2013$ such that the decimal representatio... | dolphin-r1-reasoning-flash |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.