messages list |
|---|
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given an array `arr` of positive integers. You are also given the array `queries` where `queries[i] = [lefti, righti]`.\n\nFor each query `i` compute the **XOR** of elements from `lefti` to `ri... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There are n cities in the country of Berland. Some of them are connected by bidirectional roads in such a way that there exists exactly one path, which visits each road no more than once, between every... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to solve this problem where I have to find the count of anagrams of a given pattern in a text. Hmm, let's think about how to a... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Go program that reads a line of text from standard input and outputs only the vowels in that line of text."
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to write a Go... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to find the smallest window in a string that contains all the characters of the string at least once. Hmm, let's think about h... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function that takes a list of integers as input and returns a list of tuples. Each tuple should contain the original number, its square, and its cube.\n\nSolve the problem starting with the pro... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "This task is very simple.You are given two string A and B and you have to find how many times you can form string B from string A. You are only allow to delete some character from string A and Change p... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Hexwamp is a strange swamp, paved with regular hexagonal dimples. Hexerpents crawling in this area are serpents adapted to the environment, consisting of a chain of regular hexagonal sections. Each sec... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "After Chef successfully built a modern (L, K)-window on the attic wall he decided to expand the notion of the (L, K)-window in some other areas. Now he considers a rectangular grid that contains only z... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "# Introduction\n\nYou are the developer working on a website which features a large counter on its homepage, proudly displaying the number of happy customers who have downloaded your companies software... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Logical quantifiers are very useful tools for expressing claims about a set. For this problem, let's focus on the set of real numbers specifically. The set of real numbers includes zero and negatives. ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Marge had a winning lottery ticket for $12006 and wanted to spend some of it wisely before using on any fun things. She paid half of the lottery amount for the taxes on her winnings, then put a third o... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Mishka wants to buy some food in the nearby shop. Initially, he has s burles on his card. \n\nMishka can perform the following operation any number of times (possibly, zero): choose some positive integ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to find the number of good ways to split a string into two non-empty substrings. A split is good if the sum of the frequency of each character is the same in the two substrings.\n\nSol... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Little D is a friend of Little C who loves intervals very much instead of number \"3\".\n\nNow he has n intervals on the number axis, the i-th of which is [a_i,b_i].\n\nOnly the n intervals can not sat... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to find the maximum number of connected components that can be formed by removing a specific number of edges from the graph.\n\nGiven n nodes labeled from 1 to n, and a list of undirec... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to find the number of vowels in a given string. However, the function should ignore any vowels that are followed by a consonant. For example, in the string \"beautiful\", the 'e... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "PolandBall has an undirected simple graph consisting of n vertices. Unfortunately, it has no edges. The graph is very sad because of that. PolandBall wanted to make it happier, adding some red edges. T... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "One fine day, Benny decided to calculate the number of kilometers that she traveled by her bicycle. Therefore, she bought an odometer and installed it onto her bicycle. But the odometer was broken. It ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to find the number of ways to reach the last cell of a grid from the first cell using only moves that go one cell up, one cell down, one cell right, or one cell left.\n\nSolve t... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Can you explain the process of removing the casing from the boudin sausage?: Don't let the name fool you this is a savory HDO or Sandwich!\nSlice bread lengthwise, and hollow out... Leave about 1/4 inc... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "One day, Okazaki Tomoya has bought a tree for Furukawa Nagisa's birthday. The tree is so strange that every node of the tree has a value. The value of the i-th node is vi. Now Furukawa Nagisa and Okaza... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Let's consider the following game. We have a rectangular field n Γ m in size. Some squares of the field contain chips.\n\nEach chip has an arrow painted on it. Thus, each chip on the field points in on... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets:\n\n * To make a \"red bouquet\", i... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a 500-word blog post in an engaging and informative style that highlights the unique benefits of your company's products. Be sure to provide specific examples and include any relevant data or sta... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There are n villages in a Chefland. Some of the villages have electricity facilities, other doesn't. You can consider the villages arranged in line in the order 1 to n from left to right. i-th of villa... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "In Takahashi Kingdom, there is a east-west railroad and N cities along it, numbered 1, 2, 3, ..., N from west to east. A company called AtCoder Express possesses M trains, and the train i runs from Cit... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. I need to solve this problem where I have to generate a sequence based on some recurrence relation, then compute the scala... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There are 5 boxes of different weights. They are weighed in pairs taken 2 at a time and the weights obtained are 110, 112, 113, 114, 115, 116, 117, 118, 120 and 121. What is the sum of the weights of t... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given a 2D integer array `matrix`, return _the **transpose** of_ `matrix`.\n\nThe **transpose** of a matrix is the matrix flipped over its main diagonal, switching the matrix's row and column indices.\... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The average runs scored by a batsman in 22 matches is 28. In the next 13 matches the batsman scored an average of 15 runs. Find his average in all the 35 matches?\nAnswer Choices: (A) 31.23 (B) 25.12 (... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You happened to get a special bicycle. You can run with it incredibly fast because it has a turbo engine. You can't wait to try it off road to enjoy the power.\n\nYou planned to go straight. The ground... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Let's denote as L(x, p) an infinite sequence of integers y such that gcd(p, y) = 1 and y > x (where gcd is the greatest common divisor of two integer numbers), sorted in ascending order. The elements o... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to write a Python function called nato that converts a given word into the NATO phonetic alphabet equivalents. Let's see. The ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given is a three-digit integer N. Does N contain the digit 7?\n\nIf so, print `Yes`; otherwise, print `No`.\n\nConstraints\n\n* 100 \\leq N \\leq 999\nInput\n\nInput is given from Standard Input in the... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Create a clear and concise product roadmap that outlines the development process for a new product or service, including key milestones, timeline, budget, and resource allocation. The roadmap should co... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A star map in Berland is a checked field n Γ m squares. In each square there is or there is not a star. The favourite constellation of all Berland's astronomers is the constellation of the Cross. This ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "in a certain company , the formula for maximizing profits is p = - 25 x ^ 2 + 7500 x , , where p is profit and x is the number of machines the company operates in its factory . what value for x will ma... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Vasya has a pack of 54 cards (52 standard cards and 2 distinct jokers). That is all he has at the moment. Not to die from boredom, Vasya plays Solitaire with them.\n\nVasya lays out nm cards as a recta... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Python function that checks if the given string is a palindrome or not. A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.\nInput ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are a secret agent from the Intelligence Center of Peacemaking Committee. You've just sneaked into a secret laboratory of an evil company, Automated Crime Machines.\n\nYour mission is to get a conf... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A message from humans to extraterrestrial intelligence was sent through the Arecibo radio telescope in Puerto Rico on the afternoon of Saturday November l6, l974. The message consisted of l679 bits and... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Input Format\n\n\nN K\na_1 a_2 a_3 ... a_N\n\n\nOutput Format\n\nPrint the minimum cost in one line. In the end put a line break.\n\n\nConstraints\n\n* 1 β€ K β€ N β€ 15\n* 1 β€ a_i β€ 10^9\n\n\n\nScoring\n... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function that takes a positive integer n, sums all the cubed values from 1 to n, and returns that sum.\n\nAssume that the input n will always be a positive integer.\n\nExamples:\n\n```python\ns... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to find the maximum number of courses that can be completed given the duration and deadline for each course.\n\nSolve the problem starting with the provided function header.\n\n... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to write a Python function called encrypt that takes a string and an integer, and returns the encrypted string by shifting eac... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A number is called 2050-number if it is $2050$, $20500$, ..., ($2050 \\cdot 10^k$ for integer $k \\ge 0$).\n\nGiven a number $n$, you are asked to represent $n$ as the sum of some (not necessarily dist... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are storing an integer array of length m in a database. To maintain internal integrity and protect data, the database stores n copies of this array.\n\nUnfortunately, the recent incident may have a... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given the text: In the early days of Silicon Valley two nurses recognized the need to teach the public how to care for the suddenly ill and injured until the ambulance arrived.\nWith this foresight, He... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "a, b, and c are integers and a<b<c. S is the set of all integers from a to b, inclusive. Q is the set of all integers from b to c, inclusive. The median of set S is (3/4)*b. The median of set Q is (4/8... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "In the city of Capypaland where Kuro and Shiro resides, there are n towns numbered from 1 to n and there are m bidirectional roads numbered from 1 to m connecting them. The i-th road connects towns u_i... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Owl Pacino has always been into trees β unweighted rooted trees in particular. He loves determining the diameter of every tree he sees β that is, the maximum length of any simple path in the tree.\n\nO... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A root tree is a directed acyclic graph that contains one node (root), from which there is exactly one path to any other node.\n\nA root tree is binary if each node has at most two outgoing arcs.\n\nWh... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There are n cities and m bidirectional roads in the country. The roads in the country form an undirected weighted graph. The graph is not guaranteed to be connected. Each road has it's own parameter w.... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. I need to find the multiple of x that's closest to a^b. And if there are two multiples equally close, pick the smaller one... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A company wants to determine the optimal price for a new product. The cost to produce the product is $50 per unit, and the demand function for the product is given by the equation P = 200 - 4Q, where P... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to check if two strings are at most two edit distance apart. Two strings are two edit distance apart if you can transform one string into the other by doing at most two of the followin... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You have to restore the wall. The wall consists of N pillars of bricks, the height of the i-th pillar is initially equal to h_{i}, the height is measured in number of bricks. After the restoration all ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "$N$ persons visited a restaurant. The restaurant is open from 0 to $T$. The $i$-th person entered the restaurant at $l_i$ and left at $r_i$. Find the maximum number of persons during the business hours... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Chef wrote some text on a piece of paper and now he wants to know how many holes are in the text. What is a hole? If you think of the paper as the plane and a letter as a curve on the plane, then each ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given a weighted undirected graph on n vertices and m edges. Find the shortest path from vertex s to vertex t or else state that such path doesn't exist.\nInput\n\nThe first line of the input c... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. The problem is to process multiple queries where each query asks for the count of indices between L and R (inclusive) such... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Vova and Marina love offering puzzles to each other. Today Marina offered Vova to cope with the following task.\n\nVova has a non-directed graph consisting of n vertices and m edges without loops and m... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Evi has N integers a_1,a_2,..,a_N. His objective is to have N equal integers by transforming some of them.\n\nHe may transform each integer at most once. Transforming an integer x into another integer ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Pak Chanek is the chief of a village named Khuntien. On one night filled with lights, Pak Chanek has a sudden and important announcement that needs to be notified to all of the $n$ residents in Khuntie... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given a binary string `s` βββββwithout leading zeros, return `true`βββ if `s` contains at most one contiguous segment of ones. Otherwise, return `false`.\n\n\nExample 1:\nInput: s = \"1001\"\nOutput: f... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A city is planning to install emergency response stations along its road network to ensure quick access in case of emergencies. The city has n intersections connected by n-1 bidirectional roads, formin... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Reference Solution (Wrong):\n```\ndef check_uniqueness(arr):\n s = set()\n for e in arr:\n if e in s:\n return False\n else:\n s.add(e)\n return True\n```\n... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Like most of the girlfriends, Ashima when asks for something, wonβt stop until she gets that.\nThe way she gets that is by keep on repeating the same things again and again. Like if she wants chocolate... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Python function to sort a list of dictionaries based on the values of a given key."
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to write a Python function that sorts... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "While creating high loaded systems one should pay a special attention to caching. This problem will be about one of the most popular caching algorithms called LRU (Least Recently Used).\n\nSuppose the ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are an AI assistant tasked with solving command-line tasks in a Linux environment. You will be given a task description and the output from previously executed commands. Your goal is to solve the t... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Chef's current rating is X, and he wants to improve it. It is generally recommended that a person with rating X should solve problems whose difficulty lies in the range [X, X+200], i.e, problems whose ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "# Task:\nWrite a function that accepts an integer `n` and returns **the sum of the factorials of the first **`n`** Fibonacci numbers**\n\n## Examples:\n\n```python\nsum_fib(2) = 2 # 0! + 1! = 2\nsu... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "# Task\n`Triangular numbers` are defined by the formula `n * (n + 1) / 2` with `n` starting from 1. They count the number of objects that can form an equilateral triangle as shown in the picture below:... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Jerome anticipated that the WebWeb.com stock price would fall and sold all his WebWeb.com stocks for $5 per stock. He paid $10,000 tax on the revenue. A week later, Jerome became convinced that the Web... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function that converts a number in words back to a numerical value.\n\nSolve the problem starting with the provided function header.\n\nFunction header:\n```\nclass Solution:\n\tdef conv... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Python program that simulates rolling a 6-sided dice N times and returns a dictionary containing the counts of each number rolled. N should be an argument to the function."
},
{
"role":... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Little Artem has invented a time machine! He could go anywhere in time, but all his thoughts of course are with computer science. He wants to apply this time machine to a well-known data structure: mul... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 1234567891011121314151617181920212... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Okabe needs to renovate the Future Gadget Laboratory after he tried doing some crazy experiments! The lab is represented as an n by n square grid of integers. A good lab is defined as a lab in which ev... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Eugene likes working with arrays. And today he needs your help in solving one challenging task.\n\nAn array c is a subarray of an array b if c can be obtained from b by deletion of several (possibly, z... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Notes: Nigella seeds (also called kalonji) add an oniony flavor. Look for them and for tamarind concentrate at Indian markets and some specialty food stores. If you can't find tamarind concentrate, sub... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Playing with Stones\n\nKoshiro and Ukiko are playing a game with black and white stones. The rules of the game are as follows:\n\n1. Before starting the game, they define some small areas and place \"o... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Smart Beaver became interested in drawing. He draws suns. However, at some point, Smart Beaver realized that simply drawing suns is boring. So he decided to design a program that will process his drawi... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Parentheses Editor\n\nYou are working with a strange text editor for texts consisting only of open and close parentheses. The editor accepts the following three keys as editing commands to modify the t... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given an array Arr of N positive integers and a number K where K is used as a threshold value to divide each element of the array into sum of different numbers. Find the sum of count of the numbers in ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given an integer `k`, return the minimum number of Fibonacci numbers whose sum is equal to `k`. The same Fibonacci number can be used multiple times.\n\nThe Fibonacci numbers are defined as:\n`F1 = 1`\... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to check whether a number is a self-descriptive number. A self-descriptive number is a number where every digit d at position n (the most significant digit is at position 0 and the lea... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to solve this problem where I have to generate all possible combinations of a string up to size k and print them in lexicograp... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Please create a comprehensive guide on how to properly execute a kettlebell swing exercise, including step-by-step instructions, clear and concise explanations of proper form and technique, tips for av... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to find the smallest subsequence of a given string that contains all the distinct characters of the string exactly once.\n\nSolve the problem starting with the provided function... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given a linked list, delete N nodes after skipping M nodes of a linked list until the last of the linked list.\nExample:\nInput:\n2\n8\n2 1\n9 1 3 5 9 4 10 1\n6\n6 1\n1 2 3 4 5 6 \nOutput: \n9 1 5 9 10... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "If an article is sold at 19% profit instead of 12% profit, then the profit would be Rs. 105 more. What is the cost price?\nAnswer Choices: (A) 2281 (B) 2771 (C) 1500 (D) 2777 (E) 1711"
},
{
"ro... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "It is the hard version of the problem. The only difference is that in this version 1 β€ n β€ 300.\n\nIn the cinema seats can be represented as the table with n rows and m columns. The rows are numbered w... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The following is an easy game that the setter of this problem played when he was 8:\nA boatman, a wolf, a sheep, and a cabbage are on the bank of a river. They have a small boat that is capable of carr... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Santa Claus has n candies, he dreams to give them as gifts to children.\n\nWhat is the maximal number of children for whose he can give candies if Santa Claus want each kid should get distinct positive... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given an array of positive integers `nums`, remove the smallest subarray (possibly empty) such that the sum of the remaining elements is divisible by `p`. It is not allowed to remove the whole array.\n... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Python function to check if two strings are close to each other. Two strings are considered close if you can attain one from the other using any number of operations. You are allowed to swap an... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "One day Vasya was solving arithmetical problems. He wrote down an expression a + b = c in his notebook. When the teacher checked Vasya's work it turned out that Vasya had solved the problem incorrectly... |