instruction stringlengths 14 5.13k | messages listlengths 2 2 | generator stringclasses 1
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Consider the following program. Find out the output without running it.
my_list = [1, 1, 2, 3, 5, 8]
for x in my_list:
if x%3 == 0:
print(x)
Additionally, modify the program to only print even numbers if they are greater than 3 and less than 8.
Please provide the modified program and its expected output... | [
{
"role": "user",
"content": "Consider the following program. Find out the output without running it.\n\nmy_list = [1, 1, 2, 3, 5, 8]\n\nfor x in my_list:\n if x%3 == 0:\n print(x)\n\nAdditionally, modify the program to only print even numbers if they are greater than 3 and less than 8.\n\nPlease ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
## Problem
Write a JavaScript function `replaceCharacters` that takes in a string as input and returns an array containing two elements: the modified string and the number of vowels replaced.
The function should replace all the vowels in the input string with '*' while preserving the case of the vowels. The program s... | [
{
"role": "user",
"content": "## Problem\n\nWrite a JavaScript function `replaceCharacters` that takes in a string as input and returns an array containing two elements: the modified string and the number of vowels replaced.\n\nThe function should replace all the vowels in the input string with '*' while pr... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Name three Python libraries specifically used for sentiment analysis in social media data. Your solution should include a custom function to preprocess the social media data by removing stop words and performing stemming. Additionally, you must implement a feature extraction technique such as TF-IDF or word embeddings ... | [
{
"role": "user",
"content": "Name three Python libraries specifically used for sentiment analysis in social media data. Your solution should include a custom function to preprocess the social media data by removing stop words and performing stemming. Additionally, you must implement a feature extraction te... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function that takes a string as input and reverses each word in the string while keeping the order of the words intact. Additionally, the function should ignore any punctuation marks and special characters in the string.
The function should have a time complexity of O(n) and a space complexity of O(1), where n... | [
{
"role": "user",
"content": "Write a function that takes a string as input and reverses each word in the string while keeping the order of the words intact. Additionally, the function should ignore any punctuation marks and special characters in the string.\n\nThe function should have a time complexity of ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a program to find the sum of all the prime numbers from 1 to n, where n is a positive integer provided by the user. The program should also display the number of prime numbers encountered during the process.
Reference erroneous code:
```python
def is_prime(num):
if num <= 1:
return False
for i ... | [
{
"role": "user",
"content": "Create a program to find the sum of all the prime numbers from 1 to n, where n is a positive integer provided by the user. The program should also display the number of prime numbers encountered during the process.\n\nReference erroneous code:\n\n```python\ndef is_prime(num):\n... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Describe in detail the components of a machine learning pipeline specifically designed for sentiment analysis of social media data, including the preprocessing steps, feature extraction techniques, and the algorithms commonly used for classification. Additionally, provide a justification for the choice of each componen... | [
{
"role": "user",
"content": "Describe in detail the components of a machine learning pipeline specifically designed for sentiment analysis of social media data, including the preprocessing steps, feature extraction techniques, and the algorithms commonly used for classification. Additionally, provide a jus... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Read the input text and reverse it character by character, taking into account only alphanumeric characters and ignoring any punctuation or special characters. Additionally, ensure that the reversed text maintains the same capitalization as the original text. The input text will have a maximum length of 1000 characters... | [
{
"role": "user",
"content": "Read the input text and reverse it character by character, taking into account only alphanumeric characters and ignoring any punctuation or special characters. Additionally, ensure that the reversed text maintains the same capitalization as the original text. The input text wil... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Change the following code so that it prints only the prime numbers in reverse order from the given list, while also optimizing the time complexity of the solution.
arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
def is_prime(n):
if n < 2:
return False
elif n == 2:
return True
elif n % 2 == 0:
... | [
{
"role": "user",
"content": "Change the following code so that it prints only the prime numbers in reverse order from the given list, while also optimizing the time complexity of the solution.\n\narr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\n\ndef is_prime(n):\n if n < 2:\n return False\n elif n == 2... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a code to find all the prime numbers between 10 million and 20 million, satisfying the following conditions:
1. Implement the Bernstein's Sieve algorithm instead of the Atkin's Sieve algorithm.
2. The code should use a parallel computing approach with multiple processes to improve performance.
3. The code should ... | [
{
"role": "user",
"content": "Write a code to find all the prime numbers between 10 million and 20 million, satisfying the following conditions:\n1. Implement the Bernstein's Sieve algorithm instead of the Atkin's Sieve algorithm.\n2. The code should use a parallel computing approach with multiple processes... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Construct a Java program for sorting a given array in ascending or descending order using the Bubble Sort algorithm.
Additional Information:
- The Bubble Sort algorithm works by repeatedly swapping adjacent elements if they are in the wrong order. This process is repeated until the array is sorted.
- You are required ... | [
{
"role": "user",
"content": "Construct a Java program for sorting a given array in ascending or descending order using the Bubble Sort algorithm.\n\nAdditional Information:\n- The Bubble Sort algorithm works by repeatedly swapping adjacent elements if they are in the wrong order. This process is repeated u... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a query to display the average age of the students who have a grade higher than 80 and have scored above the average grade for their respective subjects. Additionally, calculate the median age of these students. The query should only include students who are enrolled in at least 3 subjects and have an age greater... | [
{
"role": "user",
"content": "Write a query to display the average age of the students who have a grade higher than 80 and have scored above the average grade for their respective subjects. Additionally, calculate the median age of these students. The query should only include students who are enrolled in a... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create an array of the numbers from 1 to 10, ensuring that the array is sorted in descending order and all even numbers are placed before odd numbers. Additionally, write a function to reverse the elements in the array without using any built-in functions or methods and without using any extra space. | [
{
"role": "user",
"content": "Create an array of the numbers from 1 to 10, ensuring that the array is sorted in descending order and all even numbers are placed before odd numbers. Additionally, write a function to reverse the elements in the array without using any built-in functions or methods and without... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Rewrite the following code into a generator. The generator should only yield square numbers that are divisible by 3. Additionally, the generator should skip any negative numbers in the input.
def square_generator(nums):
for x in nums:
if x < 0:
continue
if x ** 2 % 3 == 0:
y... | [
{
"role": "user",
"content": "Rewrite the following code into a generator. The generator should only yield square numbers that are divisible by 3. Additionally, the generator should skip any negative numbers in the input.\n\ndef square_generator(nums):\n for x in nums:\n if x < 0:\n con... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a modified version of the insertion sort algorithm that sorts an array of integers in descending order. The array should be sorted using the modified algorithm.
Input:
[3, 4, 8, 1, 5, 7, 2, 9, 6, 0]
Output:
[9, 8, 7, 6, 5, 4, 3, 2, 1, 0]
Explanation:
In this modified version of the insertion sort algorithm... | [
{
"role": "user",
"content": "Implement a modified version of the insertion sort algorithm that sorts an array of integers in descending order. The array should be sorted using the modified algorithm.\n\nInput:\n[3, 4, 8, 1, 5, 7, 2, 9, 6, 0]\n\nOutput:\n[9, 8, 7, 6, 5, 4, 3, 2, 1, 0]\n\nExplanation:\nIn th... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write SQL code to find the names of students who are enrolled in all three classes, have a minimum of 90% attendance in each class, and have an average grade of at least 80 in all three classes. Additionally, the code should only consider students who have participated in at least one extracurricular activity during th... | [
{
"role": "user",
"content": "Write SQL code to find the names of students who are enrolled in all three classes, have a minimum of 90% attendance in each class, and have an average grade of at least 80 in all three classes. Additionally, the code should only consider students who have participated in at le... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a responsive HTML page with 3 sections, using div tags. Each section should contain at least 3 different elements, such as images, paragraphs, and links. Additionally, implement a JavaScript function that not only changes the background color of each section when a button is clicked, but also randomly generates ... | [
{
"role": "user",
"content": "Create a responsive HTML page with 3 sections, using div tags. Each section should contain at least 3 different elements, such as images, paragraphs, and links. Additionally, implement a JavaScript function that not only changes the background color of each section when a butto... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Please write an SQL query to create a table named "books" with the following columns:
- book_id (integer)
- book_title (string)
- book_edition (integer)
- book_price (decimal)
You should ensure that the book_id column is the primary key and that it auto-increments with each new entry. Additionally, the book_price colu... | [
{
"role": "user",
"content": "Please write an SQL query to create a table named \"books\" with the following columns:\n- book_id (integer)\n- book_title (string)\n- book_edition (integer)\n- book_price (decimal)\n\nYou should ensure that the book_id column is the primary key and that it auto-increments with... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a C++ program to calculate the sum of numbers in an array, but only include numbers that are divisible by both 2 and 3. The input array can contain negative numbers as well. The program should have a time complexity of O(n), where n is the size of the input array.
std::vector<int> numbers = {2, -4, 6, -9, 12, 1... | [
{
"role": "user",
"content": "Create a C++ program to calculate the sum of numbers in an array, but only include numbers that are divisible by both 2 and 3. The input array can contain negative numbers as well. The program should have a time complexity of O(n), where n is the size of the input array.\n\nstd... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function in Python that takes in two strings and concatenates them together with a space in between. The function should also reverse the order of the words in the concatenated string. Additionally, the function should remove any duplicate words from the concatenated string and return the final result as a list... | [
{
"role": "user",
"content": "Write a function in Python that takes in two strings and concatenates them together with a space in between. The function should also reverse the order of the words in the concatenated string. Additionally, the function should remove any duplicate words from the concatenated st... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given two strings, determine if they are equal or not. However, the comparison should be case-sensitive, whitespace should also be considered, and punctuation marks should be ignored. Additionally, you are not allowed to use any built-in string comparison functions or methods. Your solution should have a time complexit... | [
{
"role": "user",
"content": "Given two strings, determine if they are equal or not. However, the comparison should be case-sensitive, whitespace should also be considered, and punctuation marks should be ignored. Additionally, you are not allowed to use any built-in string comparison functions or methods. ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
What will be the result of the following Ruby code?
a = 11
b = 3
c = a % b
d = a / b
e = a ** b
f = a + b
What is the value of c, d, e, and f after executing the code?
Provide an erroneous piece of code as a reference to increase misdirection.
#Erroneous Reference Code#
a = 11
b = 3
c = a % b
d = a / b
e = a ** b
f ... | [
{
"role": "user",
"content": "What will be the result of the following Ruby code?\na = 11\nb = 3\nc = a % b\nd = a / b\ne = a ** b\nf = a + b\n\nWhat is the value of c, d, e, and f after executing the code?\n\nProvide an erroneous piece of code as a reference to increase misdirection.\n\n#Erroneous Referenc... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a code to estimate the value of pi (to 20 decimal places) using the Monte Carlo method.
In the Monte Carlo method, you generate a large number of random points within a square with side length 2. Then, you check how many of these points fall within a circle with radius 1 (inscribed within the square). The ratio ... | [
{
"role": "user",
"content": "Write a code to estimate the value of pi (to 20 decimal places) using the Monte Carlo method.\n\nIn the Monte Carlo method, you generate a large number of random points within a square with side length 2. Then, you check how many of these points fall within a circle with radius... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write code to retrieve data from a given MySQL table and filter the results based on multiple conditions. The conditions should be to retrieve books that have been published within the last 3 months, have an average rating above 4, and belong to a specific genre. The table name is "Books".
In addition, handle any pote... | [
{
"role": "user",
"content": "Write code to retrieve data from a given MySQL table and filter the results based on multiple conditions. The conditions should be to retrieve books that have been published within the last 3 months, have an average rating above 4, and belong to a specific genre. The table name... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Parse the following JSON and extract the value of the variable 'price'. However, you are not allowed to use any built-in JSON parsing functions or libraries. Additionally, you should handle any potential errors or edge cases that may arise during the parsing process.
JSON:
{
"name": "Product 1",
"price": 10.99,
... | [
{
"role": "user",
"content": "Parse the following JSON and extract the value of the variable 'price'. However, you are not allowed to use any built-in JSON parsing functions or libraries. Additionally, you should handle any potential errors or edge cases that may arise during the parsing process.\n\nJSON: \... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Group a list of dictionaries by a shared key, while also sorting the groups in descending order based on another key. The groups should be sorted based on the sum of the values of the shared key. If two groups have the same sum, then sort them based on the minimum value of the other key. Additionally, for each group, r... | [
{
"role": "user",
"content": "Group a list of dictionaries by a shared key, while also sorting the groups in descending order based on another key. The groups should be sorted based on the sum of the values of the shared key. If two groups have the same sum, then sort them based on the minimum value of the ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Design a program to find the intersection of two given arrays. The intersection is defined as the common elements between the two arrays.
list_one=[5, 10, 15, 20, 25]
list_two=[15, 17, 20, 22, 25, 27]
You are not allowed to use any built-in intersection functions or sets.
Write a program that prints the intersection... | [
{
"role": "user",
"content": "Design a program to find the intersection of two given arrays. The intersection is defined as the common elements between the two arrays.\n\nlist_one=[5, 10, 15, 20, 25]\nlist_two=[15, 17, 20, 22, 25, 27]\n\nYou are not allowed to use any built-in intersection functions or sets... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a program in Python that calculates the median of numbers in a list, but with the following additional requirements:
1. The program should handle an empty list and return an appropriate error message.
2. The program should handle a list that contains non-numeric elements and skip them while calculating the medi... | [
{
"role": "user",
"content": "Create a program in Python that calculates the median of numbers in a list, but with the following additional requirements:\n\n1. The program should handle an empty list and return an appropriate error message.\n2. The program should handle a list that contains non-numeric elem... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a function that checks if a given binary tree is a binary search tree. Additionally, the function should return the number of unique values present in the tree.
Please note that the binary tree can contain negative values.
Provide a piece of erroneous code that incorrectly determines if the tree is a binary... | [
{
"role": "user",
"content": "Implement a function that checks if a given binary tree is a binary search tree. Additionally, the function should return the number of unique values present in the tree.\n\nPlease note that the binary tree can contain negative values.\n\nProvide a piece of erroneous code that ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a JavaScript function that takes in a string and returns the string with each word reversed. The function should also remove any duplicate words from the string and return the result in reverse alphabetical order. Additionally, if the input string contains any special characters, the function should remove those ... | [
{
"role": "user",
"content": "Write a JavaScript function that takes in a string and returns the string with each word reversed. The function should also remove any duplicate words from the string and return the result in reverse alphabetical order. Additionally, if the input string contains any special cha... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a modified binary search algorithm to find the index of the smallest element in the given sorted array that is greater than or equal to a given target value. If there is no such element, return -1.
Function Signature: int findSmallestGreaterOrEqual(int[] array, int target)
Input
- The input array is a sort... | [
{
"role": "user",
"content": "Implement a modified binary search algorithm to find the index of the smallest element in the given sorted array that is greater than or equal to a given target value. If there is no such element, return -1. \n\nFunction Signature: int findSmallestGreaterOrEqual(int[] array, in... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a two-dimensional array of integers, write a code to find the maximum sum of any subarray within each row, where a subarray is defined as a contiguous block of elements in the same row. The code should return the maximum sum for each row. Additionally, the code should check for and handle any negative values in t... | [
{
"role": "user",
"content": "Given a two-dimensional array of integers, write a code to find the maximum sum of any subarray within each row, where a subarray is defined as a contiguous block of elements in the same row. The code should return the maximum sum for each row. Additionally, the code should che... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Print out the content of a two-dimensional array in a clockwise spiral order, considering that the array can contain negative integers and decimal numbers. Additionally, you should handle arrays with uneven lengths and empty arrays, ensuring that the program does not crash or produce unexpected results. The array can h... | [
{
"role": "user",
"content": "Print out the content of a two-dimensional array in a clockwise spiral order, considering that the array can contain negative integers and decimal numbers. Additionally, you should handle arrays with uneven lengths and empty arrays, ensuring that the program does not crash or p... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a SQL query to find the most expensive item in the table, where the price is calculated based on multiple factors such as quantity, discount, tax, and the customer's loyalty level. The loyalty level is determined by the number of previous purchases made by the customer and can range from 1 to 5, with 5 being the ... | [
{
"role": "user",
"content": "Write a SQL query to find the most expensive item in the table, where the price is calculated based on multiple factors such as quantity, discount, tax, and the customer's loyalty level. The loyalty level is determined by the number of previous purchases made by the customer an... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a JavaScript function to sort an array of integers in ascending order, without using any built-in sorting functions or methods. The function should also handle negative numbers, duplicates, and floating-point numbers in the array, and return the sorted array. Additionally, the function should be implemented using... | [
{
"role": "user",
"content": "Write a JavaScript function to sort an array of integers in ascending order, without using any built-in sorting functions or methods. The function should also handle negative numbers, duplicates, and floating-point numbers in the array, and return the sorted array. Additionally... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a Swift function to find the sum of elements in an array of integers, but with the following additional conditions:
1. The function should not use any built-in Swift functions that directly calculate the sum of an array or use loops.
2. The function should return 0 if the array is empty.
3. The function should ... | [
{
"role": "user",
"content": "Create a Swift function to find the sum of elements in an array of integers, but with the following additional conditions:\n\n1. The function should not use any built-in Swift functions that directly calculate the sum of an array or use loops.\n2. The function should return 0 i... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Design a PHP code snippet to create a scientific calculator that includes advanced mathematical functions such as Bessel functions, elliptic integrals, hypergeometric functions, and Chebyshev polynomials. Additionally, the calculator should have the ability to handle user input validation, handle errors gracefully, and... | [
{
"role": "user",
"content": "Design a PHP code snippet to create a scientific calculator that includes advanced mathematical functions such as Bessel functions, elliptic integrals, hypergeometric functions, and Chebyshev polynomials. Additionally, the calculator should have the ability to handle user input... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Explain what is wrong with the following Python code and provide a solution to fix it.
Additionally, propose a more optimized solution to achieve the same result.
Original Code:
```python
def calculate_average(numbers):
total = 0
count = 0
for num in numbers:
total =+ num
count += 1
av... | [
{
"role": "user",
"content": "Explain what is wrong with the following Python code and provide a solution to fix it. \nAdditionally, propose a more optimized solution to achieve the same result.\n\nOriginal Code:\n```python\ndef calculate_average(numbers):\n total = 0\n count = 0\n for num in numbe... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
## Problem Statement ##
Given a string in snake_case, convert it to camelCase. In camelCase, the first letter of each word (except the first word) is capitalized and all the words are concatenated together without any spaces.
Write a function:
```python
def snake_case_to_camel_case(s: str) -> str:
```
that converts t... | [
{
"role": "user",
"content": "## Problem Statement ##\n\nGiven a string in snake_case, convert it to camelCase. In camelCase, the first letter of each word (except the first word) is capitalized and all the words are concatenated together without any spaces.\n\nWrite a function:\n```python\ndef snake_case_t... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Describe how to use the following code to calculate the sum of all elements in an array in Java, without using the "+" operator, and without using any loops or recursion. Additionally, you are not allowed to use the bitwise operators "&", "^", and "<<". | [
{
"role": "user",
"content": "Describe how to use the following code to calculate the sum of all elements in an array in Java, without using the \"+\" operator, and without using any loops or recursion. Additionally, you are not allowed to use the bitwise operators \"&\", \"^\", and \"<<\"."
},
{
"r... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write an R function to calculate the mean of a numerical vector, without using any built-in functions or loops. However, you are allowed to use only a single recursive function to accomplish this task. The time complexity of the solution should be O(n), where n is the length of the vector. | [
{
"role": "user",
"content": "Write an R function to calculate the mean of a numerical vector, without using any built-in functions or loops. However, you are allowed to use only a single recursive function to accomplish this task. The time complexity of the solution should be O(n), where n is the length of... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a CSS rule to make all h1 elements with a class of "title" red in color. Additionally, add a hover effect that changes the color to blue. Ensure that the hover effect only applies to h1 elements that are inside a div with a class of "container" and have a sibling div with a class of "content". | [
{
"role": "user",
"content": "Create a CSS rule to make all h1 elements with a class of \"title\" red in color. Additionally, add a hover effect that changes the color to blue. Ensure that the hover effect only applies to h1 elements that are inside a div with a class of \"container\" and have a sibling div... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Explain the difference between an API and a web service and provide examples of each. Additionally, provide a code snippet demonstrating how to consume data from a web service using an API in Python.
Additionally, explain the concept of authentication and authorization in the context of web services and APIs, and prov... | [
{
"role": "user",
"content": "Explain the difference between an API and a web service and provide examples of each. Additionally, provide a code snippet demonstrating how to consume data from a web service using an API in Python.\n\nAdditionally, explain the concept of authentication and authorization in th... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Name three types of looping structures in Java and provide a code example for each type. Additionally, provide an explanation for when each type of loop is most appropriate to use. In your explanation, consider the time and space complexity of each type of loop and provide an analysis of their efficiency. | [
{
"role": "user",
"content": "Name three types of looping structures in Java and provide a code example for each type. Additionally, provide an explanation for when each type of loop is most appropriate to use. In your explanation, consider the time and space complexity of each type of loop and provide an a... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a bubble sort algorithm in a programming language of your choice to sort an array of integers in descending order. The algorithm should have a time complexity of O(n^2) and should not use any built-in sorting functions or libraries.
Additionally, the algorithm should be able to handle arrays with a size of u... | [
{
"role": "user",
"content": "Implement a bubble sort algorithm in a programming language of your choice to sort an array of integers in descending order. The algorithm should have a time complexity of O(n^2) and should not use any built-in sorting functions or libraries.\n\nAdditionally, the algorithm shou... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a CSS selector to apply a font-size of 16px and font-weight of bold to every element with a class of "heading" that is a direct child of a parent element with a class of "container" and also has a sibling element with a class of "subheading". Additionally, the selector should only target elements that are not wit... | [
{
"role": "user",
"content": "Write a CSS selector to apply a font-size of 16px and font-weight of bold to every element with a class of \"heading\" that is a direct child of a parent element with a class of \"container\" and also has a sibling element with a class of \"subheading\". Additionally, the selec... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Find the sum of the even elements in a given list of positive integers, while excluding any element greater than 10. Additionally, ensure that the solution has a time complexity of O(n) and does not use any built-in sum or filter functions. The space complexity should be O(1) or as low as possible.
[2, 4, 6, 8, 12, 14... | [
{
"role": "user",
"content": "Find the sum of the even elements in a given list of positive integers, while excluding any element greater than 10. Additionally, ensure that the solution has a time complexity of O(n) and does not use any built-in sum or filter functions. The space complexity should be O(1) o... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a dictionary from two lists with the same length, where the keys in the dictionary are obtained by converting the elements of mylist1 to uppercase and adding a suffix of "KEY". The values in the dictionary are obtained by converting the elements of mylist2 to integers and adding 10 to each value. Both mylist1 an... | [
{
"role": "user",
"content": "Create a dictionary from two lists with the same length, where the keys in the dictionary are obtained by converting the elements of mylist1 to uppercase and adding a suffix of \"KEY\". The values in the dictionary are obtained by converting the elements of mylist2 to integers ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a Java class that prints the Fibonacci sequence between 0 and 100, but only display the prime numbers in the sequence. Additionally, the program should also calculate the product of all the prime numbers in the sequence and display it as the final output.
Reference erroneous code:
```
int fib(int n) {
if (n ... | [
{
"role": "user",
"content": "Create a Java class that prints the Fibonacci sequence between 0 and 100, but only display the prime numbers in the sequence. Additionally, the program should also calculate the product of all the prime numbers in the sequence and display it as the final output.\n\nReference er... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
To what type of data can the following MySQL query return if there is a third table involved?
SELECT *
FROM table1 t1
INNER JOIN table2 t2
ON t1.id = t2.id
INNER JOIN table3 t3
ON t2.id = t3.id
WHERE t1.name = 'John' AND t3.salary > 5000
GROUP BY t1.id
HAVING COUNT(*) > 1
The rewritten test includes the addition of a ... | [
{
"role": "user",
"content": "To what type of data can the following MySQL query return if there is a third table involved?\nSELECT *\nFROM table1 t1\nINNER JOIN table2 t2\nON t1.id = t2.id\nINNER JOIN table3 t3\nON t2.id = t3.id\nWHERE t1.name = 'John' AND t3.salary > 5000\nGROUP BY t1.id\nHAVING COUNT(*) ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Identify and explain the Big O runtime complexity of this algorithm.
def find_sum(numbers):
total = 0
for num in numbers:
total += num
if num > 0:
break
return total
Explanation:
The given algorithm has a runtime complexity of O(n), where n is the number of elements in the inp... | [
{
"role": "user",
"content": "Identify and explain the Big O runtime complexity of this algorithm.\n\ndef find_sum(numbers): \n total = 0\n for num in numbers:\n total += num\n if num > 0:\n break\n return total\n\nExplanation:\nThe given algorithm has a runtime complexity ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Perform a linear search in a list named 'mylist' and return the index of the last occurrence of a target value. The list can contain duplicate elements and can have a maximum length of 10^6. The target value can be of any data type. If the target value is not found in the list, return -1.
Increase the difficulty:
- Th... | [
{
"role": "user",
"content": "Perform a linear search in a list named 'mylist' and return the index of the last occurrence of a target value. The list can contain duplicate elements and can have a maximum length of 10^6. The target value can be of any data type. If the target value is not found in the list,... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a function to calculate the result of raising 2 to the power of n, where n is an integer between 1 and 10^9. The function should have a time complexity of O(log n) and should not use any built-in mathematical functions or operators for exponentiation. | [
{
"role": "user",
"content": "Implement a function to calculate the result of raising 2 to the power of n, where n is an integer between 1 and 10^9. The function should have a time complexity of O(log n) and should not use any built-in mathematical functions or operators for exponentiation."
},
{
"r... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Develop a function that swaps the positions of two elements in a nested array, while maintaining the relative order of the other elements.
Additional Instructions:
1. The function should take in the nested array and the indices of the two elements to be swapped as input parameters.
2. The function should validate th... | [
{
"role": "user",
"content": "Develop a function that swaps the positions of two elements in a nested array, while maintaining the relative order of the other elements.\n\nAdditional Instructions:\n\n1. The function should take in the nested array and the indices of the two elements to be swapped as input p... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Print the following 2D matrix in row-major order. You are not allowed to use any nested loops, recursion, or built-in functions to iterate through the matrix. Additionally, the solution must be implemented in constant space complexity and have a time complexity of O(n), where n is the total number of elements in the ma... | [
{
"role": "user",
"content": "Print the following 2D matrix in row-major order. You are not allowed to use any nested loops, recursion, or built-in functions to iterate through the matrix. Additionally, the solution must be implemented in constant space complexity and have a time complexity of O(n), where n... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create an empty set in Python and add the following items into it in reverse alphabetical order: "C", "B", "A". Ensure that the set does not contain any duplicate elements. Additionally, implement a function that takes this set as input and returns the set in ascending alphabetical order. The function should have a tim... | [
{
"role": "user",
"content": "Create an empty set in Python and add the following items into it in reverse alphabetical order: \"C\", \"B\", \"A\". Ensure that the set does not contain any duplicate elements. Additionally, implement a function that takes this set as input and returns the set in ascending al... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write an HTML page that includes the given text "This is a test page" inside a paragraph tag. Additionally, the page should have a button that, when clicked, changes the background color of the paragraph to a randomly generated color. However, the randomly generated color should be limited to only shades of red. | [
{
"role": "user",
"content": "Write an HTML page that includes the given text \"This is a test page\" inside a paragraph tag. Additionally, the page should have a button that, when clicked, changes the background color of the paragraph to a randomly generated color. However, the randomly generated color sho... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Increase the difficulty of the programming test by adding the following requirements:
1. Implement a method `get_element(index)` in the `LinkedList` class that returns the element at the specified index (0-based) in the linked list. The time complexity of this method should be O(n), where n is the number of elements i... | [
{
"role": "user",
"content": "Increase the difficulty of the programming test by adding the following requirements:\n\n1. Implement a method `get_element(index)` in the `LinkedList` class that returns the element at the specified index (0-based) in the linked list. The time complexity of this method should ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Calculate the product of all the prime numbers in a list named 'mylist'. The list may contain duplicate elements. The product should only include numbers that are divisible by 4. You are not allowed to use any built-in functions for finding the product. The list may have a maximum length of 200 elements. Additionally, ... | [
{
"role": "user",
"content": "Calculate the product of all the prime numbers in a list named 'mylist'. The list may contain duplicate elements. The product should only include numbers that are divisible by 4. You are not allowed to use any built-in functions for finding the product. The list may have a maxi... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a program to analyze a given paragraph with the following additional requirements:
1. The program should ignore whitespace characters, punctuation marks, and special characters, and only count alphabetic characters.
2. The program should count the number of words in the paragraph, where a word is defined as a c... | [
{
"role": "user",
"content": "Create a program to analyze a given paragraph with the following additional requirements:\n\n1. The program should ignore whitespace characters, punctuation marks, and special characters, and only count alphabetic characters.\n2. The program should count the number of words in ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function in Python that takes a list of integers as input and returns a new list where each element is multiplied by 2. However, you are not allowed to use any built-in list manipulation methods or functions such as `map()` or `list comprehension`. Additionally, you are not allowed to use any loops or recursion... | [
{
"role": "user",
"content": "Write a function in Python that takes a list of integers as input and returns a new list where each element is multiplied by 2. However, you are not allowed to use any built-in list manipulation methods or functions such as `map()` or `list comprehension`. Additionally, you are... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Design a program to find the occurrence of a given character in a given string, but the program should ignore any occurrences of the character within a substring enclosed in double quotes. Given string: "Hello "World!" ooo" Character to find: o
Modify the program to handle multiple characters to find in the string. Th... | [
{
"role": "user",
"content": "Design a program to find the occurrence of a given character in a given string, but the program should ignore any occurrences of the character within a substring enclosed in double quotes. Given string: \"Hello \"World!\" ooo\" Character to find: o\n\nModify the program to hand... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Edit the provided CSS rule to make all elements with the class "myClass" have a bold font-weight and a background color of #F0F0F0. Additionally, the font-size should be set to 18px and the text color should be #333333. However, make sure that the CSS rule only targets the direct children of elements with the class "my... | [
{
"role": "user",
"content": "Edit the provided CSS rule to make all elements with the class \"myClass\" have a bold font-weight and a background color of #F0F0F0. Additionally, the font-size should be set to 18px and the text color should be #333333. However, make sure that the CSS rule only targets the di... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Find the minimum prime number in an unordered array given in Python. The array may contain duplicates. Implement the solution without using any built-in functions or libraries that directly check for primality. | [
{
"role": "user",
"content": "Find the minimum prime number in an unordered array given in Python. The array may contain duplicates. Implement the solution without using any built-in functions or libraries that directly check for primality."
},
{
"role": "assistant",
"content": "To find the **mi... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function that takes a string and returns a dictionary counting each unique character in the string. The function should only count alphabetical characters and ignore any non-alphabetical characters. The returned dictionary should be sorted in descending order based on the count of each character. The function s... | [
{
"role": "user",
"content": "Write a function that takes a string and returns a dictionary counting each unique character in the string. The function should only count alphabetical characters and ignore any non-alphabetical characters. The returned dictionary should be sorted in descending order based on t... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Please write a function called `calculate_sum` that takes in a list of numbers and other elements as input and returns the sum of all the numbers in the list.
The function should meet the following requirements and constraints:
1. The function should handle both positive and negative integers, as well as floating-poi... | [
{
"role": "user",
"content": "Please write a function called `calculate_sum` that takes in a list of numbers and other elements as input and returns the sum of all the numbers in the list.\n\nThe function should meet the following requirements and constraints:\n\n1. The function should handle both positive ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
In Python, write code to identify whether a given string contains only numeric values in scientific notation with an exponent. Additionally, the code should also check if the exponent is a prime number. The input string can contain multiple numbers separated by whitespace. Your code should return True if all numbers in... | [
{
"role": "user",
"content": "In Python, write code to identify whether a given string contains only numeric values in scientific notation with an exponent. Additionally, the code should also check if the exponent is a prime number. The input string can contain multiple numbers separated by whitespace. Your... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Edit the following JavaScript code to reverse the characters of a given string. The code should not use any built-in string reversal functions or methods, and should be done using a recursive function.
```javascript
function reverseString(str) {
if (str === "") {
return "";
} else {
return reverseString(st... | [
{
"role": "user",
"content": "Edit the following JavaScript code to reverse the characters of a given string. The code should not use any built-in string reversal functions or methods, and should be done using a recursive function.\n\n```javascript\nfunction reverseString(str) {\n if (str === \"\") {\n ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a bash script that prints out "Hello World" ten times, but each time it should be printed in a different color. Additionally, make sure that the script terminates if any of the color codes provided are invalid. The script should also prompt the user to enter the desired number of repetitions and dynamically adju... | [
{
"role": "user",
"content": "Create a bash script that prints out \"Hello World\" ten times, but each time it should be printed in a different color. Additionally, make sure that the script terminates if any of the color codes provided are invalid. The script should also prompt the user to enter the desire... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a function that takes a string and returns a new string with each vowel capitalized and each consonant converted to its corresponding Morse code. The function should ignore any special characters or numbers in the string. The returned string should only contain alphabetic characters. The function should have a t... | [
{
"role": "user",
"content": "Create a function that takes a string and returns a new string with each vowel capitalized and each consonant converted to its corresponding Morse code. The function should ignore any special characters or numbers in the string. The returned string should only contain alphabeti... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a SQL query to select the row with the customer id "CID001" from the customers table, but exclude any rows where the customer's status is "Inactive". Additionally, sort the result by the customer's last name in descending order. Furthermore, include a calculated column that displays the total number of orders mad... | [
{
"role": "user",
"content": "Write a SQL query to select the row with the customer id \"CID001\" from the customers table, but exclude any rows where the customer's status is \"Inactive\". Additionally, sort the result by the customer's last name in descending order. Furthermore, include a calculated colum... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a C# program to create the list of prime numbers in a given range. However, you are not allowed to use any built-in functions or libraries for prime number generation. You must come up with your own algorithm to determine if a number is prime or not. Additionally, you should optimize your algorithm to have a time... | [
{
"role": "user",
"content": "Write a C# program to create the list of prime numbers in a given range. However, you are not allowed to use any built-in functions or libraries for prime number generation. You must come up with your own algorithm to determine if a number is prime or not. Additionally, you sho... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Convert a positive decimal number to its binary representation using only bitwise operations.
Erroneous Code:
int number = 128;
int binary = 0;
while (number != 0) {
binary = (binary * 10) + (number % 2);
number = number / 2;
}
#Revised Test#
#Problem Statement#
Given a positive decimal number, you need to co... | [
{
"role": "user",
"content": "Convert a positive decimal number to its binary representation using only bitwise operations.\n\nErroneous Code:\nint number = 128;\nint binary = 0;\n\nwhile (number != 0) {\n binary = (binary * 10) + (number % 2);\n number = number / 2;\n}\n\n#Revised Test#\n\n#Problem Sta... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a SQL query to find the average salary of all employees in the department labeled "sales" who have been with the company for at least 5 years, but exclude any employees whose salary is above $100,000. Additionally, include the department name, the number of employees in the sales department, and the average age ... | [
{
"role": "user",
"content": "Create a SQL query to find the average salary of all employees in the department labeled \"sales\" who have been with the company for at least 5 years, but exclude any employees whose salary is above $100,000. Additionally, include the department name, the number of employees i... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create an HTML table with 6 columns containing the given data, as well as additional data about each person.
Data:
Name | Age | Hobby | Occupation | Favorite Color
Alice | 20 | Reading | Teacher | Blue
Bob | 25 | Outdoor activities | Engineer | Green
In addition to displaying the original data, you will need to add tw... | [
{
"role": "user",
"content": "Create an HTML table with 6 columns containing the given data, as well as additional data about each person.\nData:\nName | Age | Hobby | Occupation | Favorite Color\nAlice | 20 | Reading | Teacher | Blue\nBob | 25 | Outdoor activities | Engineer | Green\n\nIn addition to displ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a recursive function in Java to print all the prime numbers in a given list in reverse order, while also counting the number of prime numbers found.
The input list is an array of integers with a length between 1 and 100, and each integer in the list is between 1 and 10^6.
The output should be the prime numbers ... | [
{
"role": "user",
"content": "Write a recursive function in Java to print all the prime numbers in a given list in reverse order, while also counting the number of prime numbers found.\n\nThe input list is an array of integers with a length between 1 and 100, and each integer in the list is between 1 and 10... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a web page that displays a form to accept the user's name, email, phone number, and address. The form should also include a checkbox for the user to opt-in for marketing communications. Implement a validation feature to ensure that the email entered by the user is in the correct format and display appropriate er... | [
{
"role": "user",
"content": "Create a web page that displays a form to accept the user's name, email, phone number, and address. The form should also include a checkbox for the user to opt-in for marketing communications. Implement a validation feature to ensure that the email entered by the user is in the... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python program to print out the list of prime numbers from 0 to the given limit, where each number is divisible by both 2 and 3. Additionally, the program should only use a single loop and should not make use of the modulo operator. The program should also implement a custom function for checking the divisibili... | [
{
"role": "user",
"content": "Write a Python program to print out the list of prime numbers from 0 to the given limit, where each number is divisible by both 2 and 3. Additionally, the program should only use a single loop and should not make use of the modulo operator. The program should also implement a c... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write an SQL query to select the names, ages, and departments of all employees from the table 'employees' who are currently employed, have an age greater than 30, and belong to departments with more than 20 employees. Additionally, order the results in descending order based on their ages, and if there are employees wi... | [
{
"role": "user",
"content": "Write an SQL query to select the names, ages, and departments of all employees from the table 'employees' who are currently employed, have an age greater than 30, and belong to departments with more than 20 employees. Additionally, order the results in descending order based on... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a JavaScript function that takes in two parameters: a start date in the format "yyyy-mm-dd hh:mm:ss" and an end date in the same format. The function should return the number of minutes that have passed between the two dates, rounded to the nearest whole number. The start date should always be earlier than the e... | [
{
"role": "user",
"content": "Create a JavaScript function that takes in two parameters: a start date in the format \"yyyy-mm-dd hh:mm:ss\" and an end date in the same format. The function should return the number of minutes that have passed between the two dates, rounded to the nearest whole number. The st... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a heap sort algorithm in Java without using any additional data structures or libraries. The algorithm should only use a fixed-size array to perform the sorting. Additionally, the array size should be limited to 100 elements and the implementation should be able to handle duplicate elements in the array effic... | [
{
"role": "user",
"content": "Implement a heap sort algorithm in Java without using any additional data structures or libraries. The algorithm should only use a fixed-size array to perform the sorting. Additionally, the array size should be limited to 100 elements and the implementation should be able to ha... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Edit the following code snippet to add error handling that allows the function to return an appropriate message when an invalid input is received. Additionally, introduce a bug in the code that needs to be fixed. The bug should not be related to error handling.
The function should calculate the factorial of a given no... | [
{
"role": "user",
"content": "Edit the following code snippet to add error handling that allows the function to return an appropriate message when an invalid input is received. Additionally, introduce a bug in the code that needs to be fixed. The bug should not be related to error handling.\n\nThe function ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a SQL query that finds, in a table of employees, the names, titles, and salaries of all employees who work in the Marketing department, have a salary greater than $50,000, and have been with the company for at least 2 years. The query should also include the average salary of all employees in the Marketing depart... | [
{
"role": "user",
"content": "Write a SQL query that finds, in a table of employees, the names, titles, and salaries of all employees who work in the Marketing department, have a salary greater than $50,000, and have been with the company for at least 2 years. The query should also include the average salar... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Increase the difficulty of the given programming test question by adding complexity to the visualization task and modifying the data.
Visualize the following on a line chart:
Data points = [12, 13, 19, 20, 25, 28, 30, 29, 24, 22, 20, 18, 15, 14, 13, 12]
Reference erroneous code:
int dataPoints = [12, 13, 19, 20, 25];... | [
{
"role": "user",
"content": "Increase the difficulty of the given programming test question by adding complexity to the visualization task and modifying the data.\n\nVisualize the following on a line chart:\nData points = [12, 13, 19, 20, 25, 28, 30, 29, 24, 22, 20, 18, 15, 14, 13, 12]\n\nReference erroneo... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a JavaScript function that detects the browser language and displays a response message in that language. The function should also allow the user to specify a default language in case the browser language is not supported. Additionally, the function should handle cases where the browser language is a variant of a... | [
{
"role": "user",
"content": "Write a JavaScript function that detects the browser language and displays a response message in that language. The function should also allow the user to specify a default language in case the browser language is not supported. Additionally, the function should handle cases wh... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Design and implement a data structure that efficiently stores a list of words and supports the following operations:
- Insertion: Add a word to the data structure.
- Deletion: Remove a word from the data structure.
- Search: Find all words with a specific prefix efficiently.
- Most frequent: Find the k most frequent wo... | [
{
"role": "user",
"content": "Design and implement a data structure that efficiently stores a list of words and supports the following operations:\n- Insertion: Add a word to the data structure.\n- Deletion: Remove a word from the data structure.\n- Search: Find all words with a specific prefix efficiently.... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python code to print the phrase "Hello World!" on the console 1000 times, but each time the phrase should be printed in a different color. Additionally, the colors should be selected randomly from a predefined list of 20 colors. | [
{
"role": "user",
"content": "Write a Python code to print the phrase \"Hello World!\" on the console 1000 times, but each time the phrase should be printed in a different color. Additionally, the colors should be selected randomly from a predefined list of 20 colors."
},
{
"role": "assistant",
... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Generate a Frequency Table for the following sequence of characters using Python. The input sequence can contain any printable ASCII characters and can have a length of up to 10^6 characters. The frequency table should be implemented using a dictionary data structure. The time complexity of your solution should be O(n)... | [
{
"role": "user",
"content": "Generate a Frequency Table for the following sequence of characters using Python. The input sequence can contain any printable ASCII characters and can have a length of up to 10^6 characters. The frequency table should be implemented using a dictionary data structure. The time ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Generate a 3x3 matrix of random real numbers in the range of -10.0 to 10.0. Sort the matrix in ascending order, ensuring that the sum of each row is greater than 5 and the sum of each column is less than 10. Calculate the sum of the numbers in the first row and the product of the numbers in the second column. Finally, ... | [
{
"role": "user",
"content": "Generate a 3x3 matrix of random real numbers in the range of -10.0 to 10.0. Sort the matrix in ascending order, ensuring that the sum of each row is greater than 5 and the sum of each column is less than 10. Calculate the sum of the numbers in the first row and the product of t... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Increase the difficulty by introducing a new requirement: Implement the function using recursion instead of a simple calculation. The function should still calculate the total number of fruits (apples and oranges combined) and return it. | [
{
"role": "user",
"content": "Increase the difficulty by introducing a new requirement: Implement the function using recursion instead of a simple calculation. The function should still calculate the total number of fruits (apples and oranges combined) and return it."
},
{
"role": "assistant",
"... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a Python function which takes an array and returns true if the array contains all unique values. The function should have a time complexity of O(n), where n is the length of the array, and should not use any additional data structures.
In addition, the function should handle arrays containing duplicate values b... | [
{
"role": "user",
"content": "Create a Python function which takes an array and returns true if the array contains all unique values. The function should have a time complexity of O(n), where n is the length of the array, and should not use any additional data structures.\n\nIn addition, the function should... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Use the back-propagation algorithm to learn the weights of a given neural network with multiple hidden layers and activation functions, while incorporating L1 or L2 regularization techniques to prevent overfitting. Additionally, implement batch gradient descent with a specific batch size of 32 instead of using the enti... | [
{
"role": "user",
"content": "Use the back-propagation algorithm to learn the weights of a given neural network with multiple hidden layers and activation functions, while incorporating L1 or L2 regularization techniques to prevent overfitting. Additionally, implement batch gradient descent with a specific ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Merge the two lists below and sort them in descending order.
list_a = [1,2,3,4,5]
list_b = [6,7,8,9,10]
Additionally, ensure that the sorting is done in-place without using any built-in sorting functions or libraries.
Please note that the merged list should not contain any duplicate elements. | [
{
"role": "user",
"content": "Merge the two lists below and sort them in descending order. \nlist_a = [1,2,3,4,5] \nlist_b = [6,7,8,9,10]\n\nAdditionally, ensure that the sorting is done in-place without using any built-in sorting functions or libraries.\n\nPlease note that the merged list should not contai... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a Python function that takes in a string as input and returns a dictionary where the keys are the unique characters in the string and the values are lists containing the indices of each occurrence of the character in the string. The function should ignore any characters that are not letters. Additionally, the fu... | [
{
"role": "user",
"content": "Create a Python function that takes in a string as input and returns a dictionary where the keys are the unique characters in the string and the values are lists containing the indices of each occurrence of the character in the string. The function should ignore any characters ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Sort the given words in lexicographical order, ensuring that words with the same length are sorted based on their ASCII values. Additionally, the output should not contain any repeated words and should be in lowercase. You are not allowed to use any built-in sorting functions or libraries.
Provide an optimized solutio... | [
{
"role": "user",
"content": "Sort the given words in lexicographical order, ensuring that words with the same length are sorted based on their ASCII values. Additionally, the output should not contain any repeated words and should be in lowercase. You are not allowed to use any built-in sorting functions o... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
What is the purpose of the "break" keyword in the C programming language and how does it differ from the "continue" keyword? Explain with an example where both keywords are used within a loop to manipulate an array. Additionally, analyze the time and space complexity of the algorithm.
Please assume that the given arra... | [
{
"role": "user",
"content": "What is the purpose of the \"break\" keyword in the C programming language and how does it differ from the \"continue\" keyword? Explain with an example where both keywords are used within a loop to manipulate an array. Additionally, analyze the time and space complexity of the... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Generate a 10-element tuple of random prime numbers between 500 and 1000 using Python. Additionally, ensure that each prime number in the tuple is a palindrome. | [
{
"role": "user",
"content": "Generate a 10-element tuple of random prime numbers between 500 and 1000 using Python. Additionally, ensure that each prime number in the tuple is a palindrome."
},
{
"role": "assistant",
"content": "To generate a 10-element tuple of **random prime numbers between 5... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Rewritten Test:
You are tasked with creating a program that simulates a grade calculator for a class of students. The program should take each student's score as input and output their corresponding letter grade based on the following criteria:
- A score of 90 or above should result in an "A" grade.
- A score between... | [
{
"role": "user",
"content": "Rewritten Test:\n\nYou are tasked with creating a program that simulates a grade calculator for a class of students. The program should take each student's score as input and output their corresponding letter grade based on the following criteria:\n\n- A score of 90 or above sh... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Using the code below, update the function to find the average of three positive integers, where each integer is within the range of 1 to 100 (inclusive). If any of the numbers are negative or greater than 100, raise a ValueError exception with the message "Invalid input, all numbers must be positive integers within the... | [
{
"role": "user",
"content": "Using the code below, update the function to find the average of three positive integers, where each integer is within the range of 1 to 100 (inclusive). If any of the numbers are negative or greater than 100, raise a ValueError exception with the message \"Invalid input, all n... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a method to reverse a doubly linked list with the following constraints:
- Do not use any additional data structures or arrays.
- Do not use recursion.
- The method should have a time complexity of O(n), where n is the length of the linked list.
- The method should also handle a circular doubly linked list, wher... | [
{
"role": "user",
"content": "Create a method to reverse a doubly linked list with the following constraints:\n- Do not use any additional data structures or arrays.\n- Do not use recursion.\n- The method should have a time complexity of O(n), where n is the length of the linked list.\n- The method should a... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a SQL query to find the highest salary of a female employee who has been working at the company for at least 5 years and is not in a managerial position in the salary table. Additionally, the query should exclude employees who have received any performance warnings in the past year. Provide a piece of erroneous c... | [
{
"role": "user",
"content": "Write a SQL query to find the highest salary of a female employee who has been working at the company for at least 5 years and is not in a managerial position in the salary table. Additionally, the query should exclude employees who have received any performance warnings in the... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
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