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Increase the difficulty by adding an additional requirement to the programming task:
- Purge all rows from the following dataframe that have a negative value in the Age column and sort the remaining rows in descending order based on the Age column. Then, add a new column called 'Category' to the dataframe. The 'Categ... | [
{
"role": "user",
"content": "Increase the difficulty by adding an additional requirement to the programming task: \n\n- Purge all rows from the following dataframe that have a negative value in the Age column and sort the remaining rows in descending order based on the Age column. Then, add a new column ca... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Calculate the sum of all prime numbers in the array [2, 3, 5, 7, 10, 13, 17, 20], and also calculate the average of all prime numbers in the array. | [
{
"role": "user",
"content": "Calculate the sum of all prime numbers in the array [2, 3, 5, 7, 10, 13, 17, 20], and also calculate the average of all prime numbers in the array."
},
{
"role": "assistant",
"content": "We are given the array: \n**[2, 3, 5, 7, 10, 13, 17, 20]**\n\n### Step 1: Iden... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write an SQL query to select all entries from the "Users" table, but exclude any users whose age is less than 18 and whose username starts with the letter 'A'. Additionally, include only users whose email domain ends with '.com'. | [
{
"role": "user",
"content": "Write an SQL query to select all entries from the \"Users\" table, but exclude any users whose age is less than 18 and whose username starts with the letter 'A'. Additionally, include only users whose email domain ends with '.com'."
},
{
"role": "assistant",
"conten... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Find the longest palindromic substring in a given string using Python. The palindrome should consist of at least 5 characters and ignore any whitespace or special characters. Additionally, you are not allowed to use any built-in functions or libraries for string manipulation, such as reverse() or substring() functions.... | [
{
"role": "user",
"content": "Find the longest palindromic substring in a given string using Python. The palindrome should consist of at least 5 characters and ignore any whitespace or special characters. Additionally, you are not allowed to use any built-in functions or libraries for string manipulation, s... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a list of integers, find the number of unique prime numbers in the list. The solution should have a time complexity of O(n), where n is the length of the list. Additionally, the solution should not use any built-in functions or libraries to check for prime numbers.
my_list = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1... | [
{
"role": "user",
"content": "Given a list of integers, find the number of unique prime numbers in the list. The solution should have a time complexity of O(n), where n is the length of the list. Additionally, the solution should not use any built-in functions or libraries to check for prime numbers.\n\nmy_... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function in Python to calculate the value of "e" to 4 decimal places, without using any built-in math functions or libraries. Additionally, the function should be able to handle large inputs and efficiently compute the value of "e" within a reasonable time frame.
Reference erroneous code:
```
def calculate_e(... | [
{
"role": "user",
"content": "Write a function in Python to calculate the value of \"e\" to 4 decimal places, without using any built-in math functions or libraries. Additionally, the function should be able to handle large inputs and efficiently compute the value of \"e\" within a reasonable time frame.\n\... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a function to find the position of a substring in a string, without using any built-in string search functions or regular expressions. The function should have a time complexity of O(n) or less and should handle the following additional requirements:
1. The function should be case-sensitive, meaning it should o... | [
{
"role": "user",
"content": "Create a function to find the position of a substring in a string, without using any built-in string search functions or regular expressions. The function should have a time complexity of O(n) or less and should handle the following additional requirements:\n\n1. The function s... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Modify the following function to return the number of unique elements in a given array, without using any additional data structures such as arrays, hash maps, or sets. Additionally, the solution should have a time complexity of O(n) or less, and the array must be sorted in ascending order before counting the unique el... | [
{
"role": "user",
"content": "Modify the following function to return the number of unique elements in a given array, without using any additional data structures such as arrays, hash maps, or sets. Additionally, the solution should have a time complexity of O(n) or less, and the array must be sorted in asc... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a program that takes two JSON strings as input and merges them. The merged JSON should include all the key-value pairs from both input JSONs. If a key exists in both JSONs, the value from the second JSON should overwrite the value from the first JSON. If a key exists in only one JSON, it should be included as is ... | [
{
"role": "user",
"content": "Write a program that takes two JSON strings as input and merges them. The merged JSON should include all the key-value pairs from both input JSONs. If a key exists in both JSONs, the value from the second JSON should overwrite the value from the first JSON. If a key exists in o... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a new dictionary with the requirement that all keys must be positive integers and all values must be lowercase strings. The dictionary should also support the following operations:
1. Add an entry to the dictionary with a given key and value. The key must be unique and the value must be a non-empty string.
2. R... | [
{
"role": "user",
"content": "Create a new dictionary with the requirement that all keys must be positive integers and all values must be lowercase strings. The dictionary should also support the following operations:\n\n1. Add an entry to the dictionary with a given key and value. The key must be unique an... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a for loop in Java that iterates over the given array and prints only the prime numbers in ascending order. Additionally, the loop should terminate once it encounters the first composite number in the array.
Array: int[] arr = {2, 3, 4, 5, 6, 7, 8, 9, 10}; | [
{
"role": "user",
"content": "Create a for loop in Java that iterates over the given array and prints only the prime numbers in ascending order. Additionally, the loop should terminate once it encounters the first composite number in the array. \nArray: int[] arr = {2, 3, 4, 5, 6, 7, 8, 9, 10};"
},
{
... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a python class called "Employee" that contains 3 instance variables. The first instance variable, "name", should be a string of length between 3 and 20 characters. The second instance variable, "age", should be an integer between 18 and 65. The third instance variable, "salary", should be a positive floating-poi... | [
{
"role": "user",
"content": "Create a python class called \"Employee\" that contains 3 instance variables. The first instance variable, \"name\", should be a string of length between 3 and 20 characters. The second instance variable, \"age\", should be an integer between 18 and 65. The third instance varia... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Parse the given string into a list of words and their repetitions, where the words are separated by spaces and the repetitions are indicated by numbers inside square brackets. If a number is not specified, the default repetition is 1. The words and their repetitions should be stored in a dictionary, where the words are... | [
{
"role": "user",
"content": "Parse the given string into a list of words and their repetitions, where the words are separated by spaces and the repetitions are indicated by numbers inside square brackets. If a number is not specified, the default repetition is 1. The words and their repetitions should be s... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a web page with a centered title and paragraph in HTML. Additionally, add a button that changes the background color of the page when clicked.
1. The title should be centered both horizontally and vertically on the page. Use CSS to achieve this.
2. The paragraph should also be centered both horizontally and ve... | [
{
"role": "user",
"content": "Create a web page with a centered title and paragraph in HTML. Additionally, add a button that changes the background color of the page when clicked. \n\n1. The title should be centered both horizontally and vertically on the page. Use CSS to achieve this.\n2. The paragraph sho... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a SQL query to display the top 10 products in the database which have not been sold yet and have a price higher than $1000, while also sorting the results in descending order based on the product's popularity score. The popularity score is calculated based on the number of times the product has been viewed, with ... | [
{
"role": "user",
"content": "Write a SQL query to display the top 10 products in the database which have not been sold yet and have a price higher than $1000, while also sorting the results in descending order based on the product's popularity score. The popularity score is calculated based on the number o... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Explain the concept of encapsulation in object-oriented programming and provide an example of how it can be implemented in a practical scenario. Additionally, discuss the advantages and disadvantages of using encapsulation in the given scenario.
Increase the difficulty: Describe and compare encapsulation with other co... | [
{
"role": "user",
"content": "Explain the concept of encapsulation in object-oriented programming and provide an example of how it can be implemented in a practical scenario. Additionally, discuss the advantages and disadvantages of using encapsulation in the given scenario.\n\nIncrease the difficulty: Desc... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a MongoDB query that returns all the records that have a "name" field set to "John" and have an age greater than 30, and also have a "salary" field set to a specific value. Additionally, the query should only return records where the "name" field starts with the letter "J" and the "salary" field is within a speci... | [
{
"role": "user",
"content": "Write a MongoDB query that returns all the records that have a \"name\" field set to \"John\" and have an age greater than 30, and also have a \"salary\" field set to a specific value. Additionally, the query should only return records where the \"name\" field starts with the l... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
You are given a database table called Employees which has the following columns: Name, Age, Department, and Salary. You are required to write an SQL query to retrieve the names of all employees who have the same age and are working in the same department as at least one other employee. Additionally, the query should ex... | [
{
"role": "user",
"content": "You are given a database table called Employees which has the following columns: Name, Age, Department, and Salary. You are required to write an SQL query to retrieve the names of all employees who have the same age and are working in the same department as at least one other e... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a program that takes a string as input and converts it to uppercase. Then, reverse the order of the characters in the string without using any built-in string reversal methods or functions.
Input: Hello World
Output: DLROW OLLEH | [
{
"role": "user",
"content": "Write a program that takes a string as input and converts it to uppercase. Then, reverse the order of the characters in the string without using any built-in string reversal methods or functions.\nInput: Hello World\nOutput: DLROW OLLEH"
},
{
"role": "assistant",
"c... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a function in HTML to display a blinking text on the webpage. The text should blink every 2 seconds instead of the commonly used 1 second interval. However, the blinking should start after a delay of 5 seconds. Additionally, the text should change color each time it blinks, and the color change should be random ... | [
{
"role": "user",
"content": "Create a function in HTML to display a blinking text on the webpage. The text should blink every 2 seconds instead of the commonly used 1 second interval. However, the blinking should start after a delay of 5 seconds. Additionally, the text should change color each time it blin... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a variation of Quick sort algorithm called Randomized Quick sort that selects a random pivot element instead of always choosing the last element as the pivot. Compare the performance of Randomized Quick sort with Bubble sort by sorting an array of integers in ascending order.
Additionally, write a function t... | [
{
"role": "user",
"content": "Implement a variation of Quick sort algorithm called Randomized Quick sort that selects a random pivot element instead of always choosing the last element as the pivot. Compare the performance of Randomized Quick sort with Bubble sort by sorting an array of integers in ascendin... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a list of integers, create code to remove the duplicates. The code should have a time complexity of O(n log n) or better. Additionally, you are not allowed to use any built-in Python functions or libraries to solve this problem. The list can contain up to 10^6 integers, and each integer can range from -10^9 to 10... | [
{
"role": "user",
"content": "Given a list of integers, create code to remove the duplicates. The code should have a time complexity of O(n log n) or better. Additionally, you are not allowed to use any built-in Python functions or libraries to solve this problem. The list can contain up to 10^6 integers, a... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write the SQL query to delete all records from the table 'Customer' where the 'registration_date' is more than 1 year ago and the 'customer_status' is 'active', and the 'customer_type' is 'premium'. Additionally, only delete records where the customer has made at least 5 purchases in the last 6 months. | [
{
"role": "user",
"content": "Write the SQL query to delete all records from the table 'Customer' where the 'registration_date' is more than 1 year ago and the 'customer_status' is 'active', and the 'customer_type' is 'premium'. Additionally, only delete records where the customer has made at least 5 purcha... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write an SQL query to display the total number of employees in each department in the 'employees' table. Exclude any departments that have no employees assigned to them. Additionally, include the department name in the result set. | [
{
"role": "user",
"content": "Write an SQL query to display the total number of employees in each department in the 'employees' table. Exclude any departments that have no employees assigned to them. Additionally, include the department name in the result set."
},
{
"role": "assistant",
"content... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given an array of integers, write an algorithm to find the first repeating element that appears more than once. The algorithm should have a time complexity of O(n) and should not use any additional data structures other than variables for storing intermediate results. If no such element is found, return -1.
[2, 5, 1, ... | [
{
"role": "user",
"content": "Given an array of integers, write an algorithm to find the first repeating element that appears more than once. The algorithm should have a time complexity of O(n) and should not use any additional data structures other than variables for storing intermediate results. If no suc... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create an HTML form with three input fields: username, password and email. The username field should only accept alphanumeric characters and should have a minimum length of 5 characters. The password field should only accept alphanumeric characters and should have a minimum length of 8 characters, including at least on... | [
{
"role": "user",
"content": "Create an HTML form with three input fields: username, password and email. The username field should only accept alphanumeric characters and should have a minimum length of 5 characters. The password field should only accept alphanumeric characters and should have a minimum len... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
You need to find the largest subset of an array that sums up to a given value. The array may contain negative numbers and the target value can be negative as well. Additionally, the array can contain duplicates and the target value can be a floating-point number. You need to return the subset in descending order based ... | [
{
"role": "user",
"content": "You need to find the largest subset of an array that sums up to a given value. The array may contain negative numbers and the target value can be negative as well. Additionally, the array can contain duplicates and the target value can be a floating-point number. You need to re... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a PHP program to find the sum of all prime numbers in an array.
Additional Requirements:
- The program should have a time complexity of O(n√m), where n is the size of the array and m is the maximum element in the array.
- The program should not use any built-in functions or libraries to check if a number is prim... | [
{
"role": "user",
"content": "Write a PHP program to find the sum of all prime numbers in an array.\n\nAdditional Requirements:\n- The program should have a time complexity of O(n√m), where n is the size of the array and m is the maximum element in the array.\n- The program should not use any built-in funct... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Django Model API to store status, published date, and author information for a blog post. Additionally, the API should include methods to retrieve all blog posts published within a given date range, to retrieve the total number of published blog posts for each author, and to retrieve the average length of the b... | [
{
"role": "user",
"content": "Write a Django Model API to store status, published date, and author information for a blog post. Additionally, the API should include methods to retrieve all blog posts published within a given date range, to retrieve the total number of published blog posts for each author, a... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a function in Python to convert a string containing dates from the format MM/DD/YYYY to DD-MM-YYYY, and handle leap years correctly. Additionally, validate the input date and check if it falls on a weekday.
You are given a string input_date in the format MM/DD/YYYY. Your task is to validate the input date, c... | [
{
"role": "user",
"content": "Implement a function in Python to convert a string containing dates from the format MM/DD/YYYY to DD-MM-YYYY, and handle leap years correctly. Additionally, validate the input date and check if it falls on a weekday.\n\nYou are given a string input_date in the format MM/DD/YYYY... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a list of dictionaries, each containing a key "price" with a positive integer value and a key "discount" with a positive integer value less than or equal to the price, implement a function to calculate the sum of all the discounted prices and return the result as an integer. The function should also track the num... | [
{
"role": "user",
"content": "Given a list of dictionaries, each containing a key \"price\" with a positive integer value and a key \"discount\" with a positive integer value less than or equal to the price, implement a function to calculate the sum of all the discounted prices and return the result as an i... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given an array of integers and a target value, write a program that checks if any two numbers in the array sum to the target value and if their product is greater than a given threshold. If a pair of numbers that satisfies both conditions exists, the program should return True; otherwise, it should return False.
For e... | [
{
"role": "user",
"content": "Given an array of integers and a target value, write a program that checks if any two numbers in the array sum to the target value and if their product is greater than a given threshold. If a pair of numbers that satisfies both conditions exists, the program should return True;... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a string s, write a function to check if the string is a palindrome. The function should ignore any non-alphanumeric characters and should be case insensitive. Additionally, the function should return the number of palindrome substrings found within the given string. The palindrome substrings must be at least 5 c... | [
{
"role": "user",
"content": "Given a string s, write a function to check if the string is a palindrome. The function should ignore any non-alphanumeric characters and should be case insensitive. Additionally, the function should return the number of palindrome substrings found within the given string. The ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a C++ code to find the average of n numbers. However, the program should ignore any numbers that are prime, divisible by 3, or contain the digit 5. If all the numbers provided are invalid, the program should display an error message and terminate. Additionally, implement the code using recursion instead of itera... | [
{
"role": "user",
"content": "Create a C++ code to find the average of n numbers. However, the program should ignore any numbers that are prime, divisible by 3, or contain the digit 5. If all the numbers provided are invalid, the program should display an error message and terminate. Additionally, implement... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Compute the result of the following mathematical expression in Python, while also ensuring that the final result is rounded to the nearest whole number. Additionally, you should implement the calculation logic as a recursive function instead of using the built-in arithmetic operators. The expression should be parsed fr... | [
{
"role": "user",
"content": "Compute the result of the following mathematical expression in Python, while also ensuring that the final result is rounded to the nearest whole number. Additionally, you should implement the calculation logic as a recursive function instead of using the built-in arithmetic ope... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Describe a specific scenario in which an SQL injection attack could occur and provide a detailed explanation of the steps involved in preventing such an attack. Discuss the potential trade-offs or limitations of the suggested prevention method and provide real-world examples of successful implementation and its impact ... | [
{
"role": "user",
"content": "Describe a specific scenario in which an SQL injection attack could occur and provide a detailed explanation of the steps involved in preventing such an attack. Discuss the potential trade-offs or limitations of the suggested prevention method and provide real-world examples of... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function in JavaScript that takes an integer n and returns the nth Fibonacci number. However, you are not allowed to use recursion or the built-in Fibonacci formula to calculate the number. Additionally, your function should have a time complexity of O(n) and should not use any additional data structures or var... | [
{
"role": "user",
"content": "Write a function in JavaScript that takes an integer n and returns the nth Fibonacci number. However, you are not allowed to use recursion or the built-in Fibonacci formula to calculate the number. Additionally, your function should have a time complexity of O(n) and should not... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a list of integers, write a function to find the second largest value in the list. You are not allowed to use any built-in sorting functions or libraries.
The time complexity of your solution should be O(n), where n is the length of the list. The space complexity should be O(1).
lst = [1, 5, 9, 12, 8, 7, 3, 10] | [
{
"role": "user",
"content": "Given a list of integers, write a function to find the second largest value in the list. You are not allowed to use any built-in sorting functions or libraries.\n\nThe time complexity of your solution should be O(n), where n is the length of the list. The space complexity shoul... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function that takes in two strings as input and concatenates them together. The concatenated string should only include characters that are present in both input strings, and the order of characters should be based on the order they appear in the first string. If a character is repeated in the first string, it ... | [
{
"role": "user",
"content": "Write a function that takes in two strings as input and concatenates them together. The concatenated string should only include characters that are present in both input strings, and the order of characters should be based on the order they appear in the first string. If a char... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a number, create a function that returns a list that contains all its prime divisors in ascending order. The function should handle numbers up to 10^12 and return an empty list if the number is prime.
Additionally, optimize the function to have a time complexity of O(sqrt(n) * log(log(n))), where n is the given ... | [
{
"role": "user",
"content": "Given a number, create a function that returns a list that contains all its prime divisors in ascending order. The function should handle numbers up to 10^12 and return an empty list if the number is prime.\n\nAdditionally, optimize the function to have a time complexity of O(s... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a SQL query to find out the maximum salary earned by an employee in a specific department, considering only employees with a tenure of at least 2 years. Additionally, the query should exclude any employees who have received a salary increase within the last 6 months. Furthermore, only consider employees who have ... | [
{
"role": "user",
"content": "Write a SQL query to find out the maximum salary earned by an employee in a specific department, considering only employees with a tenure of at least 2 years. Additionally, the query should exclude any employees who have received a salary increase within the last 6 months. Furt... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Design a class Car with a constructor to initialize the variables _type, _year and _color. The _type variable should only accept values from a pre-defined list of valid car types: "Sedan", "SUV", "Hatchback". The _year variable should only accept values within a specified range of valid car years: 2000 to the current y... | [
{
"role": "user",
"content": "Design a class Car with a constructor to initialize the variables _type, _year and _color. The _type variable should only accept values from a pre-defined list of valid car types: \"Sedan\", \"SUV\", \"Hatchback\". The _year variable should only accept values within a specified... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Modify the function to remove all whitespace, punctuation, and digits from the string, convert all characters to uppercase, and then sort the resulting string in descending order. | [
{
"role": "user",
"content": "Modify the function to remove all whitespace, punctuation, and digits from the string, convert all characters to uppercase, and then sort the resulting string in descending order."
},
{
"role": "assistant",
"content": "Sure! Here's a Python function that does exactl... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a list of integers, create a function in Python that finds all prime numbers within the list and returns them in ascending order, while ensuring a time complexity of O(n). Additionally, the function should remove all duplicate numbers from the list.
lst = [1, 2, 6, 8, 4, 2, 6, 4, 9, 3, 5, 7] | [
{
"role": "user",
"content": "Given a list of integers, create a function in Python that finds all prime numbers within the list and returns them in ascending order, while ensuring a time complexity of O(n). Additionally, the function should remove all duplicate numbers from the list. \n\nlst = [1, 2, 6, 8,... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a Java program for finding the index of the first occurrence of a target element in a sorted array. The array can contain duplicates.
Requirements:
- The time complexity of your solution should be O(log n), where n is the size of the array.
- The space complexity of your solution should be O(1), i.e., it sho... | [
{
"role": "user",
"content": "Implement a Java program for finding the index of the first occurrence of a target element in a sorted array. The array can contain duplicates.\n\nRequirements:\n- The time complexity of your solution should be O(log n), where n is the size of the array.\n- The space complexity... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python program to print a diamond pattern with the following additional constraints:
1. The number of rows must be an odd number.
2. Each row must have a different number of elements.
3. The pattern must be printed in reverse order for odd-numbered rows.
4. The elements in each row must be printed in ascending... | [
{
"role": "user",
"content": "Write a Python program to print a diamond pattern with the following additional constraints:\n\n1. The number of rows must be an odd number.\n2. Each row must have a different number of elements.\n3. The pattern must be printed in reverse order for odd-numbered rows.\n4. The el... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Using Python, create a function that takes in an integer n and returns a list containing the first n prime numbers.
The function should have a time complexity of O(n^2) or better and should not use any external libraries or functions for prime number generation.
Additionally, the function should not use any iterative... | [
{
"role": "user",
"content": "Using Python, create a function that takes in an integer n and returns a list containing the first n prime numbers.\n\nThe function should have a time complexity of O(n^2) or better and should not use any external libraries or functions for prime number generation.\n\nAdditiona... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a JavaScript code to check if a string is a valid email address, while also verifying the domain name and top-level domain (TLD) format.
A valid email address should meet the following conditions:
1. It must have a username part before the "@" symbol.
2. The username part can contain only alphanumeric characters... | [
{
"role": "user",
"content": "Write a JavaScript code to check if a string is a valid email address, while also verifying the domain name and top-level domain (TLD) format.\n\nA valid email address should meet the following conditions:\n1. It must have a username part before the \"@\" symbol.\n2. The userna... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Edit the given HTML so that it renders as a centered, level-two heading with a red background and white text color. Additionally, add a hover effect that smoothly transitions the background color to blue and the text color to yellow. Furthermore, add a click event that toggles the background color between green and red... | [
{
"role": "user",
"content": "Edit the given HTML so that it renders as a centered, level-two heading with a red background and white text color. Additionally, add a hover effect that smoothly transitions the background color to blue and the text color to yellow. Furthermore, add a click event that toggles ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Modify the given program to sort the array in descending order using only the bubble sort algorithm. Additionally, you are not allowed to use any additional data structures or built-in sorting functions. The time complexity of your solution should still be O(n^2), and the space complexity should still be O(1).
Origina... | [
{
"role": "user",
"content": "Modify the given program to sort the array in descending order using only the bubble sort algorithm. Additionally, you are not allowed to use any additional data structures or built-in sorting functions. The time complexity of your solution should still be O(n^2), and the space... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Can you explain the concept of continuation-passing style (CPS) and provide an example of how it can be used to solve a specific problem in an imperative programming language such as C++ or Java? Additionally, please discuss the potential performance implications of using CPS and provide a comparison to a different pro... | [
{
"role": "user",
"content": "Can you explain the concept of continuation-passing style (CPS) and provide an example of how it can be used to solve a specific problem in an imperative programming language such as C++ or Java? Additionally, please discuss the potential performance implications of using CPS a... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a function that calculates the sum of all cubes from 1 to n, where n is a positive integer. The function should return the sum and also print the value of each individual cube before adding it to the sum. Additionally, the function should check if the cube is a perfect cube (a number that is the cube of an integ... | [
{
"role": "user",
"content": "Create a function that calculates the sum of all cubes from 1 to n, where n is a positive integer. The function should return the sum and also print the value of each individual cube before adding it to the sum. Additionally, the function should check if the cube is a perfect c... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Make a code to determine whether a given number is prime or not. Additionally, optimize the code to reduce the time complexity to O(√n) and space complexity to O(1). | [
{
"role": "user",
"content": "Make a code to determine whether a given number is prime or not. Additionally, optimize the code to reduce the time complexity to O(√n) and space complexity to O(1)."
},
{
"role": "assistant",
"content": "Sure! Here's a Python function to determine whether a given n... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a SQL query to calculate the count of each type of book in a library, where each book has multiple authors and is only counted if it has more than 3 authors. Additionally, only books published after the year 2010 should be included in the count. The query should also return the average publication year for each ... | [
{
"role": "user",
"content": "Create a SQL query to calculate the count of each type of book in a library, where each book has multiple authors and is only counted if it has more than 3 authors. Additionally, only books published after the year 2010 should be included in the count. The query should also ret... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Describe the details of the try-except statement in Python. Additionally, you must implement a function called "calculate_sum" that takes a list of integers as input and uses a try-except statement to calculate the sum of the list. The function should have an additional requirement that it must use a list comprehension... | [
{
"role": "user",
"content": "Describe the details of the try-except statement in Python. Additionally, you must implement a function called \"calculate_sum\" that takes a list of integers as input and uses a try-except statement to calculate the sum of the list. The function should have an additional requi... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a class in Ruby that prints a message when instantiated. Additionally, the class should have a method that takes in an argument and prints a modified version of the message based on the argument. However, the modified version of the message should only include letters that are vowels in the English language. The... | [
{
"role": "user",
"content": "Create a class in Ruby that prints a message when instantiated. Additionally, the class should have a method that takes in an argument and prints a modified version of the message based on the argument. However, the modified version of the message should only include letters th... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a program that iterates through a list of integers and prints out each element along with its index position. Additionally, implement a condition to skip the iteration if the element is divisible by both 3 and 5. The program should also keep track of the total number of iterations skipped due to this condition. ... | [
{
"role": "user",
"content": "Create a program that iterates through a list of integers and prints out each element along with its index position. Additionally, implement a condition to skip the iteration if the element is divisible by both 3 and 5. The program should also keep track of the total number of ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a function to generate the nth term in the Fibonacci sequence. The Fibonacci sequence is defined as follows: each term is the sum of the two preceding ones, starting from 0 and 1. Write a function that takes an integer n as input and returns the nth term in the Fibonacci sequence. Assume that n is a positive int... | [
{
"role": "user",
"content": "Create a function to generate the nth term in the Fibonacci sequence. The Fibonacci sequence is defined as follows: each term is the sum of the two preceding ones, starting from 0 and 1. Write a function that takes an integer n as input and returns the nth term in the Fibonacci... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a class Employee with a constructor to initialize the instance variables _name and _age. The _name variable should be a string of alphabets only, and the length should be between 5 and 20 characters. The _age variable should be an integer between 20 and 50. Additionally, the _age variable should be encrypted usi... | [
{
"role": "user",
"content": "Create a class Employee with a constructor to initialize the instance variables _name and _age. The _name variable should be a string of alphabets only, and the length should be between 5 and 20 characters. The _age variable should be an integer between 20 and 50. Additionally,... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function that takes a string as input and returns a new string where the lowercase letters are replaced with their corresponding uppercase letters and vice versa. | [
{
"role": "user",
"content": "Write a function that takes a string as input and returns a new string where the lowercase letters are replaced with their corresponding uppercase letters and vice versa."
},
{
"role": "assistant",
"content": "Certainly! Here's a Python function that takes a string ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python function to generate the powerset of a given list, where the list may contain duplicate elements. The output should not contain any duplicate subsets. The function should return the powerset in lexicographical order.
Additionally, the function should only use constant extra space (O(1) space complexity)... | [
{
"role": "user",
"content": "Write a Python function to generate the powerset of a given list, where the list may contain duplicate elements. The output should not contain any duplicate subsets. The function should return the powerset in lexicographical order.\n\nAdditionally, the function should only use ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a code that sorts elements in an array in descending order with a time complexity of O(nlogn). Additionally, ensure that the code does not use any built-in sorting functions or libraries. | [
{
"role": "user",
"content": "Create a code that sorts elements in an array in descending order with a time complexity of O(nlogn). Additionally, ensure that the code does not use any built-in sorting functions or libraries."
},
{
"role": "assistant",
"content": "Certainly! Here's a Python imple... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Please write a function that removes all duplicate elements in an array while preserving the original order of the elements. The function should return a new array.
##Example:##
Input: [1, 2, 3, 2, 4, 5]
Output: [1, 2, 3, 4, 5]
##Constraints:##
- The length of the array should be less than or equal to 10^6.
- The arr... | [
{
"role": "user",
"content": "Please write a function that removes all duplicate elements in an array while preserving the original order of the elements. The function should return a new array.\n\n##Example:##\nInput: [1, 2, 3, 2, 4, 5]\nOutput: [1, 2, 3, 4, 5]\n\n##Constraints:##\n- The length of the arra... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a function in Python that takes a list of strings and a set of characters as inputs and removes all characters in each string that are in the set. Additionally, the function should remove any strings from the list that become empty after removing characters. The function should also handle the scenario where the ... | [
{
"role": "user",
"content": "Write a function in Python that takes a list of strings and a set of characters as inputs and removes all characters in each string that are in the set. Additionally, the function should remove any strings from the list that become empty after removing characters. The function ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a calculator program that takes in two numbers and performs basic arithmetic operations (addition, subtraction, multiplication, division). The program should include error handling for invalid inputs, division by zero, and also implement a memory feature where the user can store and retrieve previous results. Add... | [
{
"role": "user",
"content": "Write a calculator program that takes in two numbers and performs basic arithmetic operations (addition, subtraction, multiplication, division). The program should include error handling for invalid inputs, division by zero, and also implement a memory feature where the user ca... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a doubly linked list node with the data of type integer. The node should have a reference to the next node and a reference to the previous node. Additionally, the node should have a method to insert a new node after it, a method to delete itself from the list, and a method to find the previous node of a given da... | [
{
"role": "user",
"content": "Create a doubly linked list node with the data of type integer. The node should have a reference to the next node and a reference to the previous node. Additionally, the node should have a method to insert a new node after it, a method to delete itself from the list, and a meth... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a Python function that takes in a string and returns a new string with all special characters removed. Special characters include any non-alphanumeric characters, such as symbols and punctuation marks. The function should have a time complexity of O(n) and should not use any built-in string manipulation function... | [
{
"role": "user",
"content": "Create a Python function that takes in a string and returns a new string with all special characters removed. Special characters include any non-alphanumeric characters, such as symbols and punctuation marks. The function should have a time complexity of O(n) and should not use... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Please create a JavaScript function that takes in an array of integers and returns the sum of all the numbers in the array, excluding any duplicate numbers.
Function Signature: `function findSum(arr: number[]): number`
**Input**
- An array of integers `arr` (1 <= arr.length <= 10^5)
**Output**
- Returns the sum of ... | [
{
"role": "user",
"content": "Please create a JavaScript function that takes in an array of integers and returns the sum of all the numbers in the array, excluding any duplicate numbers.\n\nFunction Signature: `function findSum(arr: number[]): number`\n\n**Input**\n- An array of integers `arr` (1 <= arr.len... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python program to print out the Fibonacci sequence up to a given number, n, where n is entered by the user. The program should also calculate the sum of all the even numbers in the Fibonacci sequence up to n. Additionally, you should implement the following features:
1. Error handling: If the user enters a neg... | [
{
"role": "user",
"content": "Write a Python program to print out the Fibonacci sequence up to a given number, n, where n is entered by the user. The program should also calculate the sum of all the even numbers in the Fibonacci sequence up to n. Additionally, you should implement the following features:\n\... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Modify the following code to handle an input which is a negative number. If the input is negative, return the absolute value of the negative number multiplied by the sum of the digits of its absolute value.
def power_func(number):
if number >= 0:
return number**2
else:
return abs(number) * sum_... | [
{
"role": "user",
"content": "Modify the following code to handle an input which is a negative number. If the input is negative, return the absolute value of the negative number multiplied by the sum of the digits of its absolute value.\n\ndef power_func(number):\n if number >= 0:\n return number*... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Convert the following SQL query to MongoDB.
SELECT * FROM Orders WHERE customer_id IN (SELECT customer_id FROM Customers WHERE city = 'New York') AND order_date > '2020-01-01' AND total_amount > 1000 ORDER BY order_date DESC, total_amount ASC LIMIT 10
OR
Convert the following SQL query to MongoDB.
SELECT product_name... | [
{
"role": "user",
"content": "Convert the following SQL query to MongoDB.\nSELECT * FROM Orders WHERE customer_id IN (SELECT customer_id FROM Customers WHERE city = 'New York') AND order_date > '2020-01-01' AND total_amount > 1000 ORDER BY order_date DESC, total_amount ASC LIMIT 10\n\nOR\n\nConvert the foll... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a program in Java to print out the Fibonacci sequence of numbers up to a given limit, where the limit is an input provided by the user. The program should also calculate and display the sum of all the even numbers in the Fibonacci sequence. Additionally, the program should validate that the user's input is a pos... | [
{
"role": "user",
"content": "Create a program in Java to print out the Fibonacci sequence of numbers up to a given limit, where the limit is an input provided by the user. The program should also calculate and display the sum of all the even numbers in the Fibonacci sequence. Additionally, the program shou... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given a string and a set of delimiters, write a function in JavaScript to split the string. The function should split the string at the delimiters if they are followed by a space, a punctuation mark, or a capital letter. The delimiters should not be included in the resulting array. Additionally, the function should rem... | [
{
"role": "user",
"content": "Given a string and a set of delimiters, write a function in JavaScript to split the string. The function should split the string at the delimiters if they are followed by a space, a punctuation mark, or a capital letter. The delimiters should not be included in the resulting ar... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a function to generate a random password of length n, where n is the number of characters in the password.
Additional Requirements:
1. The password should contain at least one uppercase letter, one lowercase letter, one digit, and one special character.
2. The function should ensure that no two adjacent charact... | [
{
"role": "user",
"content": "Create a function to generate a random password of length n, where n is the number of characters in the password.\n\nAdditional Requirements:\n1. The password should contain at least one uppercase letter, one lowercase letter, one digit, and one special character.\n2. The funct... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Multiply each element in the following list with 10 using recursion, but ensure that the multiplication is performed without using any arithmetic operators or built-in functions. Additionally, the code should handle negative numbers and zero correctly.
my_list = [2, 4, 6, -3, 0]
#Erroneous Code for Reference#
Here's ... | [
{
"role": "user",
"content": "Multiply each element in the following list with 10 using recursion, but ensure that the multiplication is performed without using any arithmetic operators or built-in functions. Additionally, the code should handle negative numbers and zero correctly.\n\nmy_list = [2, 4, 6, -3... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Construct a query in PostgreSQL to delete all rows from a table where a specific condition is met, but only if the number of rows deleted is greater than a certain threshold value. Additionally, the specific condition should involve a subquery that involves multiple tables and complex join conditions. | [
{
"role": "user",
"content": "Construct a query in PostgreSQL to delete all rows from a table where a specific condition is met, but only if the number of rows deleted is greater than a certain threshold value. Additionally, the specific condition should involve a subquery that involves multiple tables and ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given the following list, extract the item at index 2 without using the built-in list indexing or slicing methods. Instead, you can only use a loop and basic list manipulation techniques. Additionally, you cannot use the length of the list or the range function.
my_list = ["apple", "banana", "mango", "grapes"] | [
{
"role": "user",
"content": "Given the following list, extract the item at index 2 without using the built-in list indexing or slicing methods. Instead, you can only use a loop and basic list manipulation techniques. Additionally, you cannot use the length of the list or the range function. \nmy_list = [\"... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
What is the output when this code is executed?
i = 0
while (i < 10) and (i != 6):
print(i, sep = ", ")
i += 2
#Options
a) 0, 2, 4
b) 0, 2, 4, 6
c) 0, 2, 4, 6, 8
d) 0, 2, 4, 6, 8, 10 | [
{
"role": "user",
"content": "What is the output when this code is executed?\ni = 0 \nwhile (i < 10) and (i != 6): \n print(i, sep = \", \")\n i += 2\n\n#Options\na) 0, 2, 4\nb) 0, 2, 4, 6\nc) 0, 2, 4, 6, 8\nd) 0, 2, 4, 6, 8, 10"
},
{
"role": "assistant",
"content": "Let's analyze the code... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Design an HTML form with the following fields: first name, last name, age, phone number, address, and email. The form should also include validation for each field, ensuring that the first name and last name are both at least 2 characters long, the age is a positive integer less than or equal to 100, the phone number f... | [
{
"role": "user",
"content": "Design an HTML form with the following fields: first name, last name, age, phone number, address, and email. The form should also include validation for each field, ensuring that the first name and last name are both at least 2 characters long, the age is a positive integer les... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Increase the difficulty of the given programming test question by adding the following requirements:
1. Implement a method called "addHobby" that allows adding new hobbies to a person's hobbies array. The method should check if the hobby already exists in the array before adding it.
2. Implement a method called "remov... | [
{
"role": "user",
"content": "Increase the difficulty of the given programming test question by adding the following requirements:\n\n1. Implement a method called \"addHobby\" that allows adding new hobbies to a person's hobbies array. The method should check if the hobby already exists in the array before ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a code to find the maximum subarray sum in a circular array using dynamic programming, but with the additional requirement that the solution must have a time complexity of O(n) and space complexity of O(1), without using any extra data structures. | [
{
"role": "user",
"content": "Write a code to find the maximum subarray sum in a circular array using dynamic programming, but with the additional requirement that the solution must have a time complexity of O(n) and space complexity of O(1), without using any extra data structures."
},
{
"role": "a... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a JavaScript function that takes a single parameter and returns a string consisting of randomly selected lowercase alphabet characters. The length of the string should be equal to the parameter value.
Additional Constraints:
- The parameter num must be a positive integer greater than 0 and less than or equal to ... | [
{
"role": "user",
"content": "Write a JavaScript function that takes a single parameter and returns a string consisting of randomly selected lowercase alphabet characters. The length of the string should be equal to the parameter value.\n\nAdditional Constraints:\n- The parameter num must be a positive inte... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a sentiment analysis model that can classify the sentiment of a given sentence as positive, negative, or neutral. The model should be able to handle sentences of varying lengths and complexities. However, the model should be optimized to have a time complexity of O(n) and a space complexity of O(1), where n i... | [
{
"role": "user",
"content": "Implement a sentiment analysis model that can classify the sentiment of a given sentence as positive, negative, or neutral. The model should be able to handle sentences of varying lengths and complexities. However, the model should be optimized to have a time complexity of O(n)... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a function in Java to find the largest prime number within a given range of numbers. The function should also return the number of prime numbers found within the range. Additionally, the function should exclude any prime numbers that are palindromes. | [
{
"role": "user",
"content": "Create a function in Java to find the largest prime number within a given range of numbers. The function should also return the number of prime numbers found within the range. Additionally, the function should exclude any prime numbers that are palindromes."
},
{
"role"... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write an SQL query that selects the third highest price from all products and displays the corresponding product name.
Table Name: Products
Columns: Name (varchar), Price (decimal)
Provide a piece of erroneous code as a reference to increase misdirection.
#Difficulties Added#
1. Modify the query to display the top f... | [
{
"role": "user",
"content": "Write an SQL query that selects the third highest price from all products and displays the corresponding product name.\n\nTable Name: Products\nColumns: Name (varchar), Price (decimal)\n\nProvide a piece of erroneous code as a reference to increase misdirection.\n\n#Difficultie... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a Ruby program to check if a number is prime or not, but you cannot use any mathematical formulas, predefined functions, or any iteration constructs (such as loops or recursion) for prime number calculation. | [
{
"role": "user",
"content": "Create a Ruby program to check if a number is prime or not, but you cannot use any mathematical formulas, predefined functions, or any iteration constructs (such as loops or recursion) for prime number calculation."
},
{
"role": "assistant",
"content": "Creating a R... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Rewrite the following code so it can take a list of positive integers as input instead of a single integer. The function should return the sum of all the elements in the list, while also handling cases where the list is empty or contains negative numbers. Additionally, the function should check if the list contains any... | [
{
"role": "user",
"content": "Rewrite the following code so it can take a list of positive integers as input instead of a single integer. The function should return the sum of all the elements in the list, while also handling cases where the list is empty or contains negative numbers. Additionally, the func... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Given the following dictionary, change the value of the key "a" to "apples" only if the length of the current value is greater than 10 characters, contains at least two uppercase letters, and has at least one special character. If the current value meets these criteria, capitalize the first letter of each word in the v... | [
{
"role": "user",
"content": "Given the following dictionary, change the value of the key \"a\" to \"apples\" only if the length of the current value is greater than 10 characters, contains at least two uppercase letters, and has at least one special character. If the current value meets these criteria, cap... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a program in JavaScript to check if two strings are anagrams. Additionally, implement a function to remove all duplicates from a string before checking if it is an anagram. The program should also handle cases where the strings may contain non-alphabetic characters and should be case-insensitive. The time comple... | [
{
"role": "user",
"content": "Create a program in JavaScript to check if two strings are anagrams. Additionally, implement a function to remove all duplicates from a string before checking if it is an anagram. The program should also handle cases where the strings may contain non-alphabetic characters and s... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a program in C++ that prompts the user for a number input until they enter a negative number or a specific keyword to terminate the program. Display the sum of all the positive numbers entered by the user along with the minimum and maximum positive numbers. Implement the program using an infinite loop with the fo... | [
{
"role": "user",
"content": "Write a program in C++ that prompts the user for a number input until they enter a negative number or a specific keyword to terminate the program. Display the sum of all the positive numbers entered by the user along with the minimum and maximum positive numbers. Implement the ... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python function to find the intersection between two lists, where the elements in the intersection should appear in the same order as they appear in the first list. Additionally, the function should only consider elements that occur consecutively in both lists.
list1 = [1, 2, 3, 5, 7, 3, 4, 5, 6, 7, 8, 9, 10, ... | [
{
"role": "user",
"content": "Write a Python function to find the intersection between two lists, where the elements in the intersection should appear in the same order as they appear in the first list. Additionally, the function should only consider elements that occur consecutively in both lists.\n\nlist1... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Implement a matrix multiplication algorithm using recursion, but with the additional requirement that the algorithm must be optimized to handle large matrices efficiently.
The matrix multiplication algorithm should now also have the following requirements:
1. The algorithm should handle matrices of different sizes. I... | [
{
"role": "user",
"content": "Implement a matrix multiplication algorithm using recursion, but with the additional requirement that the algorithm must be optimized to handle large matrices efficiently.\n\nThe matrix multiplication algorithm should now also have the following requirements:\n\n1. The algorith... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a C++ program that prints out the sum of all prime numbers between 1 and 1,000,000. Additionally, the program should display the number of prime numbers found within the range. | [
{
"role": "user",
"content": "Write a C++ program that prints out the sum of all prime numbers between 1 and 1,000,000. Additionally, the program should display the number of prime numbers found within the range."
},
{
"role": "assistant",
"content": "Certainly! Below is a C++ program that calcu... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write an HTML code to create a horizontal line with the following specifications:
- The line should have a width of 500 pixels.
- The line should have a height of 2 pixels.
- The line should have a color of red.
- The line should have a margin of 10 pixels on both sides.
- The line should be centered on the page.
- The... | [
{
"role": "user",
"content": "Write an HTML code to create a horizontal line with the following specifications:\n- The line should have a width of 500 pixels.\n- The line should have a height of 2 pixels.\n- The line should have a color of red.\n- The line should have a margin of 10 pixels on both sides.\n-... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Create a new array in JavaScript containing only prime numbers from the given input array. The input array may contain duplicates and negative numbers.
Additional Requirements:
1. Implement a function that checks if a number is a perfect square.
2. Use the Sieve of Eratosthenes algorithm to find all prime numbers up t... | [
{
"role": "user",
"content": "Create a new array in JavaScript containing only prime numbers from the given input array. The input array may contain duplicates and negative numbers.\n\nAdditional Requirements:\n1. Implement a function that checks if a number is a perfect square.\n2. Use the Sieve of Eratost... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Describe how to debug a multithreaded C++ program using GDB, with at least five concurrent threads, where each thread is performing a different task and interacting with shared resources. Additionally, explain how you would identify and resolve common synchronization issues such as deadlock, race conditions, and livelo... | [
{
"role": "user",
"content": "Describe how to debug a multithreaded C++ program using GDB, with at least five concurrent threads, where each thread is performing a different task and interacting with shared resources. Additionally, explain how you would identify and resolve common synchronization issues suc... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python function that calculates the length of a given list, without using the built-in len() function or the len() method of the list object. Your function should only use basic list operations and logical steps, without relying on any external libraries or modules. Additionally, the function should have a time... | [
{
"role": "user",
"content": "Write a Python function that calculates the length of a given list, without using the built-in len() function or the len() method of the list object. Your function should only use basic list operations and logical steps, without relying on any external libraries or modules. Add... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a shell script to prompt a user for their name, age, favorite color, and favorite animal. Display a personalized message that includes their name, age, and a statement about their favorite color and favorite animal. Additionally, store this information in a file named "user_info.txt" in a formatted manner.
The s... | [
{
"role": "user",
"content": "Write a shell script to prompt a user for their name, age, favorite color, and favorite animal. Display a personalized message that includes their name, age, and a statement about their favorite color and favorite animal. Additionally, store this information in a file named \"u... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Write a Python function to check whether a string has all unique characters. The function should have a time complexity of O(n) and a space complexity of O(1).
Requirements:
- The function should not use any additional data structures or libraries. | [
{
"role": "user",
"content": "Write a Python function to check whether a string has all unique characters. The function should have a time complexity of O(n) and a space complexity of O(1).\n\nRequirements:\n- The function should not use any additional data structures or libraries."
},
{
"role": "as... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
Find the power of a number using an iterative approach in Java, without using any built-in mathematical functions or operators. The function should be able to handle both positive and negative exponents. Additionally, optimize the solution to have a time complexity of O(log n).
**Your task is to implement the `power` ... | [
{
"role": "user",
"content": "Find the power of a number using an iterative approach in Java, without using any built-in mathematical functions or operators. The function should be able to handle both positive and negative exponents. Additionally, optimize the solution to have a time complexity of O(log n).... | Qwen/Qwen3-4B | off | Qwen/Qwen3-4B | true |
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