Split (1)

train · ~1.84M rows (showing the first 235k)

system string	messages list
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "A number is called 2050-number if it is 2050, 20500, ..., (2050 ⋅ 10^k for integer k ≥ 0).\n\nGiven a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numbers. Compute the minimum number of 2050-numbers required for that.\n\nInput\n\nThe first line contains...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Given a string, s, return a new string that orders the characters in order of frequency. \n\nThe returned string should have the same number of characters as the original string. \n\nMake your transformation stable, meaning characters that compare equal should stay in their original order in the s...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def count_vowels(s: str) -> dict:\n \"\"\" \n Create a function that takes a string as input and returns the count of each vowel in the string. \n The function should only consider English alphabetic characters and ignore any non-letter characters. \n The function should return a dicti...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Given a list of integers, implement a function `throttled_log_count(nums: List[int], once_every: int) -> List[int]` that simulates a logging mechanism where only one integer can be logged every `once_every` calls. The function should return a new list containing only the integers that would be log...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to reverse the characters of each word in a sentence but keep the order of the words intact.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to split the sentence into words.\n Then, for each word, we reverse its characters.\n Finally, we join...
	[ { "content": "You will be given a competitive programming problem.\nAnalyze the maximum input constraints and identify the optimal algorithmic approach and data structures needed to process the largest possible test cases within the time and memory limits, then explain why your chosen implementation strategy is...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def character_frequency(s: str) -> dict:\n \"\"\" Write a function `character_frequency` that accepts a string and returns a dictionary where the keys are characters and the values are the frequency of each character in the string. The function should ignore case, i.e., treat 'A' and 'a' as the...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def max_sessions(n: int, m: int, k: int) -> int:\n \"\"\"\n Returns the maximum number of sessions that can be scheduled such that every instructor is fully utilized.\n Each instructor must handle exactly k students per session, and only fully utilized sessions count.\n \n :param n:...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "# Task\n\n_Given_ a string representing a mathematical expression with positive integers and the operators +, -, , and /, return the _evaluated result_ as a float with a precision of two decimal places. \n\n___\n# Notes\n\n _Only positive integers and the operators_ +, -, , and / wil...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "## Your challenge\nYou've decided it's time to clean up your photo library. The library is organized in folders by year and within each year, it is further organized into folders by months with photos labeled with the date they were taken. \n\nYou have realized that some photos are duplicated acro...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def min_distance_dp(word1: str, word2: str) -> int:\n \"\"\" \n Given two strings `word1` and `word2`, compute the minimum number of deletions required to make the two strings identical.\n \n >>> min_distance_dp(\"sea\", \"eat\")\n 2\n >>> min_distance_dp(\"abcd\", \"bace\")\n ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "<p>Consider an array of $n$ distinct integers. You are required to identify two integers $a$ and $b$ from the array such that the absolute difference between $a$ and $b$ is minimized. In other words, you need to find:</p>\n<p><code>min \|a - b\| for all pairs (a, b) where a ≠ b</code></p...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Given a list of integers, write a function that returns the sum of all even integers in the list. If there are no even integers, return 0. The input list can contain both positive and negative integers.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to iterat...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to convert a list into a tuple of tuples, where each inner tuple contains the first and last element of the sublists.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are given a list of sublists. Each sublist has at least two elements? \n The problem sa...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "### Context\nIn many social networking services, friend recommendations play an important role in helping users connect with each other. One common approach is to suggest friends of friends to a user. This approach leverages the network graph to identify potential connections that are not directly...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "import heapq\nfrom typing import List\n\ndef runningMedian(arr: List[int]) -> List[float]:\n \"\"\"Compute the median after each insertion of an element into the array.\n\n Parameters:\n arr (List[int]): An array of integers.\n\n Returns:\n List[float]: An array of floats where each...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function that takes an integer `n` as input and returns a list of all the prime numbers less than `n`. Additionally, the function should return the count of these prime numbers. Implement an efficient solution that accounts for time complexity.\n\nExample:\n```python\ndef primes_less_t...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function that takes an integer base and an integer power as arguments and calculates the sum of all digits of the base raised to the specified power. The function should be implemented using recursion, and it should also handle negative powers by returning the sum of the digits in the reci...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are tasked with implementing a function that determines the correct Juju command based on the provided inputs for JUJU_BINARY and JUJU_VERSION. The function should accept two parameters: `juj_binary` (a string representing the full path location to a Juju binary) and `juj_version` (a string re...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def reverse_words(s: str) -> str:\n \"\"\"\n This function takes a string containing a mix of words and digits, and returns the string with all the words\n reversed while keeping the digits in their original positions. The words and digits are separated by spaces.\n \n >>> reverse_w...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to find the maximum difference between two elements in a given array such that the larger element appears after the smaller one.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are to find the maximum difference between two elements in an array s...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def find_large_files(n, directories, size_threshold):\n \"\"\" \n Find and list files that are above a certain size threshold.\n \n Args:\n n (int): Number of directories.\n directories (List[Tuple[str, List[Tuple[str, float]]]]): List of directories, each represented by ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Can you explain the \"disappearing sieve\" method in Python and how it can be used to find all prime numbers up to a given number N? The \"disappearing sieve\" is not a standard term, but it seems to be referring to a variation of the Sieve of Eratosthenes. Could you provide a clear explanation an...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to determine if a string `S` contains a valid sequence of parentheses. A valid sequence means every opening parenthesis '(' has a corresponding closing parenthesis ')' and they are properly nested. The function should return `true` if the sequence is valid, and `false` otherwise."...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def sum_integers(n: int) -> int:\n \"\"\" Create a function that takes an integer n as input and returns the sum of all integers from 1 to n.\n The function should have a time complexity of O(n).\n >>> sum_integers(5) 15\n >>> sum_integers(0) 0\n >>> sum_integers(1) 1\n \"\"\"", ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to check whether a list of numbers contains a pair of distinct elements whose sum is zero.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to write a function that takes a list of numbers and checks if there exists a pair of distinct el...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Given a list of strings, write a function to sort it lexicographically in reverse order.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to sort the list of strings in reverse lexicographical order.\n Lexicographical order is like dictionary order. Reverse lex...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "### Coding Challenge: Sort Log Files\n\n#### Context:\nYou are working on a log management system that needs to sort log entries based on specified criteria. There are two types of log entries: letter-logs and digit-logs. Each log entry consists of an alphanumeric identifier followed by a space an...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are tasked with implementing a simple text editor functionality. Your editor should support the following operations: clearing the text, moving the cursor position, appending a message, and checking the current text content. You need to implement a function `text_editor_operations(operations: ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "### Scenario\nYou are developing an application for a library to manage book circulation and user memberships. One of your tasks is to create a system that can quickly retrieve information about which users currently have overdue books based on the current date.\n\n### Task\nWrite a function `find...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Implement a Python function named \"find_missing_numbers\" that takes a single list of integers as an input. The list represents a sequence of numbers starting from 1 to n (both inclusive), but some numbers are missing. The function should return another list containing the missing numbers in asce...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are given a string representing an HTML email body. Your task is to implement a function `is_deposit_email(html: str) -> bool` that checks if the email is a deposit email. A deposit email is defined as an email that contains the phrase 'Deposit Confirmation' in the subject line and 'Your depos...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are tasked with implementing a Python function that processes optional keyword arguments related to a statistical modeling library. Your function, `process_arguments`, should take in a set of keyword arguments and perform specific actions based on the presence or absence of certain arguments. ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def average(arr: List[int]) -> float:\n \"\"\"\n Compute the average of an array of integers. If the array is empty, return 0.0 as an average.\n \n >>> average([1, 2, 3, 4, 5]) == 3.0\n >>> average([]) == 0.0\n >>> average([10]) == 10.0\n >>> average([-1, -2, -3, -4, -5]) == -...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Create a function that takes a positive integer and returns the next bigger number that can be formed by rearranging its digits. For example, for input 12, the output should be 21. If no such number exists, return -1.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "import torch\n\ndef prims_elementwise_add(tensor1: torch.Tensor, tensor2: torch.Tensor) -> torch.Tensor:\n \"\"\" \n Perform element-wise addition of two tensors with proper type promotion and broadcasting.\n\n Args:\n tensor1 (torch.Tensor): The first input tensor.\n tensor2 (torch...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "This is the easy version of the problem. The only difference is that in this version $n \\leq 2000$. You can make hacks only if both versions of the problem are solved.\n\nThere are $n$ potions in a line, with potion $1$ on the far left and potion $n$ on the far right. Each potion will increase yo...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Design a stack data structure using a singly linked list in Python that supports the following operations: push(x), pop(), peek(), and getMin(). The push(x) function adds an element x to the top of the stack. The pop() function removes the element from the top of the stack and returns it. The peek...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def top_k_employees(scores, k):\n \"\"\" \n Returns the indices of the top k employees based on their performance scores.\n If there are multiple employees with the same score, they should be ranked based on their indices in the original array.\n \n Parameters:\n scores: List[int...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def is_possible(N: int, M: int, conflicts: List[Tuple[int, int]]) -> str:\n \"\"\" Determine if it's possible to arrange departments such that no conflicting departments sit next to each other.\n \n Args:\n N (int): Number of departments.\n M (int): Number of conflicting pairs.\n ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function that takes a string consisting of words separated by spaces and counts the number of occurrences of each word, regardless of case. Return the result as a dictionary where the keys are words and the values are the counts. Ignore punctuation and consider words as having only alphabe...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "from typing import List\n\ndef longest_common_prefix(words: List[str]) -> str:\n \"\"\" Finds the longest common prefix string amongst an array of strings.\n If there is no common prefix, returns an empty string.\n \n >>> longest_common_prefix([\"flower\", \"flow\", \"flight\"])\n '...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to get the most frequent element in a list. If there are multiple elements with the same highest frequency, return all of them in a list, sorted in ascending order.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to count the frequency ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def exist(board: List[List[str]], word: str) -> bool:\n \"\"\"\n Determines if a word exists in the given word search puzzle.\n \n The word can be constructed from letters of sequentially adjacent cells, where \"adjacent\" cells\n are those horizontally or vertically neighboring. The ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to find the largest sum contiguous subarray.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to implement Kadane's algorithm to solve this problem.\n The idea is to traverse the array and for each element, we decide:\n - Either to sta...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Solve the following coding problem using the programming language python:\n\nAndrew skipped lessons on the subject 'Algorithms and Data Structures' for the entire term. When he came to the final test, the teacher decided to give him a difficult task as a punishment.\n\nThe teacher gave Andrew an a...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "from typing import List\n\ndef min_distinct_chars(S: str) -> int:\n \"\"\"\n Determine the minimum number of distinct characters that can remain in the string after performing the operations.\n >>> min_distinct_chars(\"abacbc\") == 1\n >>> min_distinct_chars(\"aabbcc\") == 1\n >>> m...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function that takes a string and a list of strings as input, and returns a list of strings that match the input string at the beginning. The matching should be case-insensitive.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to write a function that t...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a method `alternate_sq_sum()` (JS: `alternateSqSum` ) that takes an array of integers as input and finds the sum of squares of the elements at even positions (i.e., 2nd, 4th, etc.) plus the sum of the rest of the elements at odd position.\n\nNOTE:\nThe values at even position need to b...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to check if a given binary tree is valid based on its node connections. A binary tree is represented by its number of nodes (n) and the left and right child nodes for each node. A valid binary tree means that for any node, its child nodes must not be itself or any of its an...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function that checks if a year is a leap year or not. A leap year is exactly divisible by 4 except for end-of-century years which must be divisible by 400. This means that the year 2000 was a leap year, although 1900 was not.", "loss_mask": 0, "role": "user" }, { "content":...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Given a telephonic contact number in the format +cc xxx-xxx-xxxx, where 'cc' represents the country code, implement a function that extracts and returns the nation identifier as a string without the '+' sign. For example, for the input '+91 983-741-3256', the output should be '91'.", "loss_mas...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to find the maximum number in a list. You should not use the built-in `max()` function. Additionally, you should handle the case where the list might be empty and return None in such cases.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are goin...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "### Background\nSorting algorithms are fundamental to computer science. One common sorting algorithm is Quick Sort, which uses a divide-and-conquer strategy. Understanding Quick Sort helps in optimizing not just algorithmic efficiency but also in learning pivot-based partitioning.\n\n### Problem S...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are tasked with implementing a function that takes a list of integers as input and returns a tuple containing the following elements: 1. The product of all the integers in the input list. 2. The maximum value in the input list. 3. The minimum value in the input list. If the input list is empty...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def longest_common_substring(S1: str, S2: str) -> int:\n \"\"\" Determine the length of the longest common substring between two strings.\n A substring is a contiguous sequence of characters within a string.\n\n Args:\n S1 (str): The first string.\n S2 (str): The second stri...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Solve the following coding problem using the programming language python:\n\nServal is fighting with a monster.\nThe health of the monster is H.\nIn one attack, Serval can decrease the monster's health by A.\nThere is no other way to decrease the monster's health.\nServal wins when the monster's h...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function `interlace_strings(str1: str, str2: str) -> str` that takes two strings as input and returns a new string formed by interlacing the characters of the two strings. If one string is longer than the other, append the remaining characters of the longer string to the end of the result....
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are tasked with implementing a function that simulates a simple chatbot interacting with a server. The chatbot can process messages and respond to them based on certain predefined rules. Your task is to implement a function called `chatbot_response(message: str) -> str`. This function takes a ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def countBinarySubstrings(s: str) -> int:\n \"\"\"\n Write a function that takes a string as input and returns an integer.\n The input string will only contain binary digits ('0' or '1').\n The function should calculate the number of substrings that have equal numbers of consecutive '0...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Solve the following coding problem using the programming language python:\n\nVera adores poems. All the poems Vera knows are divided into quatrains (groups of four lines) and in each quatrain some lines contain rhymes.\n\nLet's consider that all lines in the poems consist of lowercase Latin letter...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Emily is a coder working on a project that involves manipulating a list of strings. She wants to ensure that all the strings in her list follow a certain pattern. A string follows the pattern if and only if:\n\n1. It begins with an uppercase English letter ('A' to 'Z').\n2. It is followed by any n...
	[ { "content": "You will be given a competitive programming problem.\nAnalyze the maximum input constraints and identify the optimal algorithmic approach and data structures needed to process the largest possible test cases within the time and memory limits, then explain why your chosen implementation strategy is...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def find_no_incoming_edges_nodes(n, edges):\n \"\"\"\n Returns a list of all nodes with no incoming edges in the given DAG.\n \n :param n: Number of nodes\n :param edges: List of edges in the DAG\n :return: Sorted list of nodes with no incoming edges\n \n # Test Cases\n ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Given a list of integers where each integer can be positive, negative, or zero, your task is to determine the maximum sum of any non-empty subarray. A subarray is a contiguous part of an array.\n\nFunction Signature:\n`def max_subarray_sum(nums: List[int]) -> int:`\n\n### Examples:\n\n**Exampl...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def max_non_overlapping_auctions(auctions: List[Tuple[int, int]]) -> int:\n \"\"\"\n Determine the maximum number of non-overlapping auctions Alex can attend.\n\n :param auctions: List of tuples, where each tuple contains the start and end times of an auction.\n :return: Maximum number...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function that finds the largest element in a list and returns its index.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to iterate through the list and keep track of the current maximum value and its index.\n Steps:\n 1. If the list is empty, return N...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are given a list of integers representing the coefficients of a polynomial. Write a function `evaluate_polynomial(coefficients: List[int], x: int) -> int` that evaluates the polynomial at a given integer x. The polynomial is defined as: P(x) = a_n * x^n + a_(n-1) * x^(n-1) + ... + a_1 * x + a_...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are tasked with creating a function that checks if a dictionary contains a specific key. If the key is present, the function should return the value associated with that key. If the key is not present, the function should raise a KeyError with a message indicating that the key was not found. W...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are tasked with implementing a function that simulates the handling of a simple HTTP GET request by extracting parameters from a given URL. The function should take a URL string as input, extract any query parameters from it, and return a dictionary containing those parameters. The keys of the...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function that takes a list of integers and returns a list of tuples. Each tuple should contain two elements: the original number and the number of times it appears in the list. The output list should be sorted by the count in descending order. In case of a tie, sort by the number in...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to find all elements in the given list that are not divisible by any of the numbers in the given divisor list.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are given a list of numbers and a list of divisors.\n We want to find all elements in the list...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to check if a given list of integers can be divided into pairs such that each pair consists of equal elements.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to check if we can divide the list into pairs of equal elements.\n Approach:\n 1. If...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Implement a function `construct_user_profile` that takes the following parameters: `name` (a string), `age` (a non-negative integer), `address` (an optional string), `job_title` (an optional string), and `contact_details` (an optional string). The function should return a JSON object as a string t...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def fill_grid_task(inputs):\n \"\"\" Determines if a grid can be completely filled with given block types and rotations.\n \n Args:\n inputs (list): A list of test cases. Each test case is represented by a tuple containing:\n - grid height (int)\n ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Given a 2D list (matrix) of integers, implement a function that reshuffles the elements of the matrix into a new 2D list. The reshuffling should randomize the order of the elements but maintain the original dimensions of the matrix. You can assume that the matrix is non-empty and that all rows hav...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def find_eureka_numbers(low: int, high: int) -> list:\n \"\"\" Identifies numbers within the range [low, high] that are equal to the sum of their digits\n each raised to the power of its positional index (starting from 1).\n \n :param low: The lower bound of the range (inclusive).\n ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are given a list of tweet strings, where each tweet is a sequence of words separated by spaces. Write a function `make_markov_model(tweets: List[str]) -> str` that combines all tweets into a single string, where the words from all tweets are concatenated together with a single space between ea...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to find the n’th cube number.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are to find the n'th cube number.\n The cube numbers are the cubes of integers: 1^3, 2^3, 3^3, ... \n Therefore, the n'th cube number is n^3.\n We can write a function that re...
	[ { "content": "Dima worked all day and wrote down on a long paper strip his favorite number n consisting of l digits. Unfortunately, the strip turned out to be so long that it didn't fit in the Dima's bookshelf.\n\nTo solve the issue, Dima decided to split the strip into two non-empty parts so that each of them ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def checkIsGP(arr, N):\n \"\"\"\n Determine if all elements in the array can be rearranged such that they form a geometric progression.\n \n Parameters:\n arr (List[int]): The array of integers.\n N (int): The number of elements in the array.\n \n Returns:\n ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a Python function that merges two dictionaries into a new one, giving priority to the second dictionary's values in case of key collisions.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to merge two dictionaries. If a key exists in both, we want the va...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are given a `list of non-negative integers`. Your task is to find the sum of the digits of each number and return the maximum sum.\n\nExamples:\n\n1. `Input: [123, 456, 789]`\n \n `Output: 24`\n \n `Explanation: The sum of digits of 123 is 1+2+3 = 6, the sum of digits of 456 is 4+5+6 =...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are required to implement a function `find_longest_subarray_by_sum(arr: List[int], target_sum: int) -> Tuple[int, int]` that uses a sliding window approach to find the longest contiguous subarray within a given list of integers, `arr`, whose sum equals the specified `target_sum`. If there are ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Title: Delete from the Left\n\nTime Limit: None seconds\n\nMemory Limit: None megabytes\n\nProblem Description:\nYou are given two strings $s$ and $t$. In a single move, you can choose any of two strings and delete the first (that is, the leftmost) character. After a move, the length of the string...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "import heapq\nfrom typing import List\n\ndef process_commands(commands: List[str]) -> List[int]:\n \"\"\"\n Process a series of commands to manipulate a min-heap and return the results of specific queries.\n \n Each command is a string in one of the following forms:\n 1. 'insert X' ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to find the maximum possible sum of sublists in a given list of lists.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are given a list of lists. We want to compute the maximum possible sum of sublists.\n However, note: the problem might be ambiguous. L...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "### Coding Question: Advanced Matrix Spiral Traversal\n\nImagine you are developing a visualization tool for a data analytics platform. Your task is to implement a feature that performs a spiral traversal on a 2D matrix of integers and returns the resulting sequence of the traversal.\n\n### Requir...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function `generate_valid_string` that generates a string of exactly ten randomly assorted alphanumeric characters which includes at least one special character. The string must not contain any repeated characters. The generated string should validate the presence of at least one uppercase ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "def optimized_comb_sort(arr):\n \"\"\"\n Sort the input array using an optimized version of Comb Sort.\n \n Parameters:\n arr (List[int]): List of integers to be sorted.\n \n Returns:\n List[int]: The sorted list of integers.\n \"\"\"\n # YOUR CODE HERE\n pass\n\nd...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Solve the following coding problem using the programming language python:\n\nA palindrome is a string $t$ which reads the same backward as forward (formally, $t[i] = t[\|t\| + 1 - i]$ for all $i \\in [1, \|t\|]$). Here $\|t\|$ denotes the length of a string $t$. For example, the strings 010, 1001 and 0 ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to find the sum of all proper divisors of a number. A proper divisor of a number is a divisor that is strictly less than the number itself.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to write a function that takes a positive intege...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are given a robot located at the top-left corner of a m x n grid. The robot can only move either down or right at any point in time. The robot is trying to reach the bottom-right corner of the grid. Write a function `unique_paths(m: int, n: int) -> int` that takes in two integers `m` and `n` r...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are given a rectangular grid with dimensions `m x n`, where some cells contain obstacles represented by `1` and other cells are empty represented by `0`. You start at the top-left corner of the grid and need to reach the bottom-right corner (both starting and ending cells are guaranteed to be ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to determine if a string is a pangram. A pangram is a sentence that contains every single letter of the alphabet at least once.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to check if the given string contains every letter of the En...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function that takes a string and removes duplicate characters while maintaining the original order of appearance of the unique characters.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to traverse the string and keep track of the characters we...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a python function to find the maximum value in a list of integers. If the list is empty, return None.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are going to write a function that takes a list of integers as input.\n If the list is empty, we return None.\n Ot...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "You are given a grid `m x n` where each cell can have one of three values:\n* `0` representing a wall,\n* `1` representing an empty space,\n* `2` representing the starting point.\n\nFind the shortest path length from the starting point (value `2`) to the bottom-right corner of the grid while only ...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "Write a function to determine if it is possible to finish all courses given the prerequisites. The function should return True if it is possible to finish all courses, or False if it's not.", "loss_mask": 0, "role": "user" }, { "content": "<think>We are given the total number of co...
You are a helpful assistant. To answer the user's question, you first think about the reasoning process and then provide the user with the answer. The reasoning process and answer are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answe...	[ { "content": "### Coding Challenge: Verify Consecutive Stack Sequence\n\nYou are required to write a function that evaluates whether a given stack of integers contains a sequence of consecutive integers starting from the bottom. You have to implement the solution using a single stack and a single queue as auxil...

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