messages listlengths 2 2 | source stringclasses 4
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[
{
"content": "You are tasked with implementing a custom data structure called `DayOf` in Swift. The `DayOf` data structure represents a day of the week and contains two values of type `A`. Your task is to define the `DayOf` type and implement two functions: `extract` and `coflatMap`.\n\nThe `DayOf` type has the... | magicoder-oss-75k | code |
[
{
"content": "15. (12 points) The teacher told Jia the hundreds digit of a three-digit perfect square, told Yi the tens digit, and told Bing the units digit, and informed them that their digits are all different. None of them knew the other two numbers, and they had the following conversation: Jia: I don't know... | openr1-math-220k | math_logic_and_puzzles |
[
{
"content": "3. Solve the equation $9^{1+\\sqrt{x}}+3^{1-2 \\sqrt{x}}=28$.\n\n#",
"role": "user"
},
{
"content": "Okay, so I have this equation to solve: 9^(1+√x) + 3^(1−2√x) = 28. Hmm, let's see. I remember that 9 is a power of 3, right? 9 is 3 squared. Maybe I can rewrite the equation using base ... | openr1-math-220k | math_algebra |
[
{
"content": "A gumball machine contains $9$ red, $7$ white, and $8$ blue gumballs. The least number of gumballs a person must buy to be sure of getting four gumballs of the same color is\n$\\text{(A)}\\ 8 \\qquad \\text{(B)}\\ 9 \\qquad \\text{(C)}\\ 10 \\qquad \\text{(D)}\\ 12 \\qquad \\text{(E)}\\ 18$",
... | openr1-math-220k | math_combinatorics |
[
{
"content": "You are tasked with implementing a function that creates a service endpoint for a specific service type. The function should handle exceptions and provide appropriate error messages. Your task is to complete the implementation of the `create_service_endpoint` function and handle the exception for ... | magicoder-oss-75k | code |
[
{
"content": "You are an AI assistant. You will be given a task. You must generate a detailed and long answer.\n\nMany of the migrants from China in the 19th century came to work on the pepper and Uncaria gambir plantations, with 11,000 Chinese immigrants recorded in one year. Singapore became one of the entry ... | open-orca-gpt4-200k | reasoning |
[
{
"content": "How can I write a C program to print the reverse of a given string?",
"role": "user"
},
{
"content": "You can use the following code to achieve this:\n\n```c\n#include <stdio.h>\n#include <string.h>\n\nint main()\n{\n char str1[100];\n char reverse[100];\n\n printf(\"Enter the st... | finetome-alpaca-30k | general |
[
{
"content": "4.45 Let $a, b, c, d, m, n$ be positive real numbers, $P=\\sqrt{a b}+\\sqrt{c d}, Q=$ $\\sqrt{m a+n c} \\cdot \\sqrt{\\frac{b}{m}+\\frac{d}{n}}$. Then\n(A) $P \\geqslant Q$.\n(B) $P \\leqslant Q$.\n(C) $P<Q$.\n(D) The size relationship between $P$ and $Q$ is uncertain and depends on the size of $m... | openr1-math-220k | math_inequalities |
[
{
"content": "Problem 2. Duorites are creatures that have two horns, while heptorites have 7 horns. In one herd, there were both types of creatures. Together, they had 16 horns. How many duorites and heptorites were there in this herd?",
"role": "user"
},
{
"content": "Okay, so I need to figure out ... | openr1-math-220k | math_logic_and_puzzles |
[
{
"content": "You are an AI assistant that helps people find information.\n\nQ: Is the following statement true?\n\"LG Electronics helps your plants grow.\"\nChain-of-thought:",
"role": "user"
},
{
"content": "LG Electronics is a South Korean multinational electronics company that produces various e... | open-orca-gpt4-200k | reasoning |
[
{
"content": "3. To the summer math camp, 713 students traveled in 25 buses, some of which have 33 seats, and some have 26 seats. If it is known that the students filled all the seats in the buses, how many buses had 33 seats, and how many buses had 26 seats?",
"role": "user"
},
{
"content": "Okay, ... | openr1-math-220k | math_algebra |
[
{
"content": "Example 4. The probability of hitting the target with a single shot is $p=0.8$. Find the probability of five hits in six shots.",
"role": "user"
},
{
"content": "Okay, so I need to figure out the probability of getting exactly five hits in six shots when the probability of hitting each... | openr1-math-220k | math_combinatorics |
[
{
"content": "1. First solution: Since the Rabbit ran at a speed twice that of Alice, by the time Alice arrived at the Duchess's, the Rabbit was again halfway. Since he was 10 minutes late, Alice spent 20 minutes on half the journey, and 40 minutes on the entire journey.",
"role": "user"
},
{
"conte... | openr1-math-220k | math_logic_and_puzzles |
[
{
"content": "Find all values of $n \\in \\mathbb{N}$ such that $3^{2 n}-2^{n}$ is prime.",
"role": "user"
},
{
"content": "Okay, so I have to find all natural numbers n where 3^{2n} - 2^n is a prime number. Hmm, let's start by understanding what the problem is asking. Prime numbers are numbers grea... | openr1-math-220k | math_number_theory |
[
{
"content": "What is the meaning of isotropy and homogeneity in the context of inertial frames, and how do they relate to physical quantities like angular momentum?",
"role": "user"
},
{
"content": "In physics, isotropy refers to the property of a system where physical laws remain unchanged under r... | finetome-alpaca-30k | general |
[
{
"content": "$14 \\cdot 36$ In the sequence $\\left[\\frac{1^{2}}{1980}\\right],\\left[\\frac{2^{2}}{1980}\\right],\\left[\\frac{3^{2}}{1980}\\right], \\cdots,\\left[\\frac{1980^{2}}{1980}\\right]$, how many different numbers are there?\n(6th All-Russian Mathematical Olympiad, 1980)",
"role": "user"
},
... | openr1-math-220k | math_number_theory |
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