Split (1)

train · 2.67M rows

messages list
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a function that converts a list of phone numbers in string format into a list of integers. Each phone number is represented as a string of digits. The function should convert each digit in the st...
[ { "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 find the number of triples (i, j, k) such that 1 ≤ i < j ≤ k ≤ N and the XOR ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a function to split a string into chunks and return the chunks as a list. If the string cannot be divided evenly by the size, the last chunk should be shorter.\n\nSolve the problem starting with ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "If a man buys 1 liter of milk for 12 rs. and mixes it with 20% water and sells it for 15 rs then what is the %age of gain...\nAnswer Choices: (A) 30 (B) 40 (C) 50 (D) 60 (E) 70" }, { "role": "a...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "We have an undirected graph G with N vertices numbered 1 to N and N edges as follows:\n\n* For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1.\n* There is an edge between Vertex X...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "The Smart Beaver from ABBYY came up with another splendid problem for the ABBYY Cup participants! This time the Beaver invites the contest participants to check out a problem on sorting documents by th...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Two players play a game with a rectangular grid of size n × m, where each cell is initially empty. Players take turns placing either a horizontal or vertical line segment of length exactly 1 (i.e., con...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "You are given an array of numbers. Let us denote the array with $\\boldsymbol{A\\left[\\right]}$. Your task is very simple. You need to find the value returned by the function $\\text{fun}(A)$.\n\nfun(...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Misha and Grisha are funny boys, so they like to use new underground. The underground has n stations connected with n - 1 routes so that each route connects two stations, and it is possible to reach ev...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Logan is cleaning his apartment. In particular, he must sort his old favorite sequence, ${P}$, of $N$ positive integers in nondecreasing order. He's tired from a long day, so he invented an easy way (i...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Solve the following system of linear equations using QR decomposition:\n\n2x + 3y - z = 8\nx - 2y + 4z = -1\n5x + y - 3z = 10\n\nRound your answer to two decimal places." }, { "role": "assistan...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "In order to do some research, n^2 labs are built on different heights of a mountain. Let's enumerate them with integers from 1 to n^2, such that the lab with the number 1 is at the lowest place, the la...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Here's a precise numerical problem for a math student to solve:\n \nMinimize f(x,y) = -xy subject to the constraint that x² + y² ≤ 4 using semi-definite programming." }, { "role": "assistant", ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "=====Function Descriptions=====\ncollections.OrderedDict\n\nAn OrderedDict is a dictionary that remembers the order of the keys that were inserted first. If a new entry overwrites an existing entry, th...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a Python function to perform a binary search on a sorted list of strings. The function should return the index of the target string if found, otherwise return -1.\n\nSolve the problem starting wi...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "bhargav has dream to study his MS is foreign country. So, He started his preparation for GRE. There are huge number of words that he has to prepare for. So, firs he wanted to group all synonyms and ant...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "A train passes a station platform in 39 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?\nAnswer Choices: (A) 328 (B)...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "The perimeters of two squares are 40 cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.\nAnswer Choices: (A) 24 cm (B) 17 cm (C) 1...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Suppose a principal hires an agent to handle a project. The project may either succeed or fail. If it succeeds, the principal can earn a profit of $100,000. If it fails, the principal incurs a loss of ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Adam Ivan is working as a system administrator at Soy Group, Inc. He is now facing at a big trouble: a number of computers under his management have been infected by a computer virus. Unfortunately, an...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Design a parking system for a parking lot. The parking lot has three kinds of parking spaces: big, medium, and small, with a fixed number of slots for each size.\n\nImplement the `ParkingSystem` class:...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Problem\n\nCreate a program that performs the following types of operations on an n × n matrix whose elements are 1 and 0.\n\n<image>\nGiven the submatrix and the angle (0,90,180,270,360), rotate it cl...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "-" }, { "role": "assistant", "content": "<think>\nOkay, let's see. I have to solve this programming problem. Let's read the problem statement carefully.\n\nSo, the problem is about rotating...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "-" }, { "role": "assistant", "content": "<think>\nOkay, let's tackle this problem. So, the task is to find the number of pairs (X, Y) where X is between 1 and A, Y is between 1 and B, and t...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "-" }, { "role": "assistant", "content": "<think>\nOkay, let's see. The problem is about simulating a process where we take elements out of an array in a specific order. The process is simil...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "problem\n\nThe island where JOI lives has been invaded by zombies. JOI decided to escape to the shelter, which is set as the safest shelter on the island.\n\nThe island where JOI lives consists of N to...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "A string is said to be \"SUPER STRING\" if the number of times the character appeared in the string is equal to its ASCII value. Given the conditions that the ASCII value of ‘a’ is 26 and z is ‘1’.\nIn...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "After several latest reforms many tourists are planning to visit Berland, and Berland people understood that it's an opportunity to earn money and changed their jobs to attract tourists. Petya, for exa...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.This is the easy vers...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "There is a plane like Figure 1 with 8 vertical and 8 horizontal squares. There are several bombs on that plane. Figure 2 shows an example (● = bomb).\n\n\| □ \| □ \| □ \| □ \| □ \| □ \| □ \| □\n--- \| --- \| ---...
[ { "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": "Write a Python function to find the length of the shortest clear path in a binary matrix. If there is no clear path, return -1. A clear path in a binary matrix is a path from the top-left cell (i.e., (...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "You are given two strings s and t, each of length n and consisting of lowercase Latin alphabets. You want to make s equal to t. \n\nYou can perform the following operation on s any number of times to a...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "An ugly number is a positive integer whose prime factors are limited to 2, 3, and 5. Given an integer n, return true if n is an ugly number.\n\nWrite Python code to solve the problem. Please place the ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Someday, Drazil wanted to go on date with Varda. Drazil and Varda live on Cartesian plane. Drazil's home is located in point (0, 0) and Varda's home is located in point (a, b). In each step, he can mov...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "You have an appointment to meet a friend of yours today, but you are so sleepy because you didn’t sleep well last night.\n\nAs you will go by trains to the station for the rendezvous, you can have a sl...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "After lessons Nastya decided to read a book. The book contains n chapters, going one after another, so that one page of the book belongs to exactly one chapter and each chapter contains at least one pa...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "There are two popular keyboard layouts in Berland, they differ only in letters positions. All the other keys are the same. In Berland they use alphabet with 26 letters which coincides with English alph...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "-" }, { "role": "assistant", "content": "<think>\nOkay, let's try to tackle this problem. So, I need to implement a Python function that calculates the hash of a string based on the given a...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Compose a script for a short film about reducing waste in your daily life." }, { "role": "assistant", "content": "Title: The Journey of a Waste-Conscious Human Being\n\nFADE IN:\n\nINT. A C...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given an array nums of 0s and 1s and an integer k, return True if all 1's are at least k places away from each other, otherwise return False.\n \nExample 1:\n\nInput: nums = [1,0,0,0,1,0,0,1], k = 2\nO...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "You have a set of items, each having some integer weight not greater than 8. You denote that a subset of items is good if total weight of items in the subset does not exceed W.\n\nYou want to calculate...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "A set of points on a plane is called good, if for any two points at least one of the three conditions is true:\n\n * those two points lie on same horizontal line; \n * those two points lie on same ve...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a python function to find the middle element of a given linked list.\n\nYou should include the predefined classes here:\nclass Node:\n def __init__(self, data=None):\n self.data = data\...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Phoenix loves playing with bits — specifically, by using the bitwise operations AND, OR, and XOR. He has n integers a_1, a_2, ..., a_n, and will perform q of the following queries:\n\n 1. replace all ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a function `valid_balanced_parenthesis_and_brackets` that accepts a string `s` as input containing only parentheses and square brackets, and checks if the parentheses and square brackets are both...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "\"I'm a fan of anything that tries to replace actual human contact.\" - Sheldon.\nAfter years of hard work, Sheldon was finally able to develop a formula which would diminish the real human contact. \...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a function that returns the sum of all the even numbers in a given list of integers.\ninteger_list = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]" }, { "role": "assistant", "content": "<think>\nOk...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Digital collectible card games have become very popular recently. So Vova decided to try one of these.\n\nVova has n cards in his collection. Each of these cards is characterised by its power pi, magic...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a python function to find all possible combinations of a given list with a specific length.\n\nSolve the problem starting with the provided function header.\n\nFunction header:\n```\nclass Soluti...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "There are n walruses standing in a queue in an airport. They are numbered starting from the queue's tail: the 1-st walrus stands at the end of the queue and the n-th walrus stands at the beginning of t...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "$N$ points are placed in the coordinate plane.\n\nWrite a program which calculates in how many ways a right triangle can be formed by three of the given points. A right triangle is one in which one of ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "In Poornima college, PIET CS Deparment is shifting from basement to the third floor. The HOD of the department is trying to finding the number ways to reach the third floor. You are given the number of...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a horror story that is narrated in the first-person, about a group of five friends (two females and three males) who decide to visit a haunted asylum, which is rumored to be cursed by a vengeful ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "These days Arkady works as an air traffic controller at a large airport. He controls a runway which is usually used for landings only. Thus, he has a schedule of planes that are landing in the nearest ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given a set \$ S \$ of distinct non-negative integers, where \$ S \$ forms a vector space under the bitwise XOR operation (i.e., for any \$ a, b \\in S \$, \$ a \\oplus b \\in S \$), determine ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "On the eve of Teddy Day Chotu decided to buy a teddy for his girlfriend Choti. He has N coins each having distinct value from 1 to N. Now after collecting all the coins he went to buy a Teddy. \n\nNow ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "You are given several queries. In the i-th query, you are given a single positive integer ni. Your task is to represent ni as a product of maximum possible number of integers greater than 1 (not necess...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "An agent called Cypher is decrypting a message, that contains a [composite number](https://en.wikipedia.org/wiki/Composite_number) n. All divisors of n, which are greater than 1, are placed in a circle...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The cities ar...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Design and construct your own garden trellis using an eco-friendly material such as bamboo or reclaimed wood. Consider a unique style, such as a modern geometric design or a more traditional lattice pa...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "After a long vacation due to Swine Flu, 1st Year SVNIT students have returned back to Gajjar Bhavan. Students in Gajjar Bhavan generally handshake to greet each other but due to Swine Flu it's still ri...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Hey, Path Finder, where are you?\n\n## Path Finder Series:\n- [#1: can you reach the exit?](https://www.codewars.com/kata/5765870e190b1472ec0022a2)\n- [#2: shortest path](https://www.codewa...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "How many positive integers smaller than $1{,}000{,}000$ are powers of $2$, but are not powers of $8$? You may find it useful to consider that $2^{10}=1024$. Please write a program to solve it" }, {...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Monocarp had a sequence a consisting of n + m integers a_1, a_2, ..., a_{n + m}. He painted the elements into two colors, red and blue; n elements were painted red, all other m elements were painted bl...
[ { "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 given a number N, I have to create a string based on certain rules and check if it's a ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "As you must know, the maximum clique problem in an arbitrary graph is NP-hard. Nevertheless, for some graphs of specific kinds it can be solved effectively.\n\nJust in case, let us remind you that a cl...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a narrative story of at least 1000 words about a protagonist who suffers from acrophobia and must face their fear of heights in order to achieve a goal, survive a situation, or help others. Use v...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Jeff has become friends with Furik. Now these two are going to play one quite amusing game.\n\nAt the beginning of the game Jeff takes a piece of paper and writes down a permutation consisting of n num...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "The term of this problem is the same as the previous one, the only exception — increased restrictions.\nInput\n\nThe first line contains two positive integers n and k (1 ≤ n ≤ 100 000, 1 ≤ k ≤ 109) — t...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a Python program to check if a given string is a valid identifier in Python. A valid identifier in Python starts with a letter A to Z, a to z, or an underscore (_) followed by any number of lette...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a python function that checks whether a list can be reordered in such a way that every element in the list is twice the value of the element before it. This function should work for both positive...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Karafs is some kind of vegetable in shape of an 1 × h rectangle. Tavaspolis people love Karafs and they use Karafs in almost any kind of food. Tavas, himself, is crazy about Karafs.\n\n<image>\n\nEach ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "During a break in the buffet of the scientific lyceum of the Kingdom of Kremland, there was formed a queue of $n$ high school students numbered from $1$ to $n$. Initially, each student $i$ is on positi...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "There are $n$ emotes in very popular digital collectible card game (the game is pretty famous so we won't say its name). The $i$-th emote increases the opponent's happiness by $a_i$ units (we all know ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "The average price of 10 books is Rs. 12 while the average price of 8 of these books is Rs. 11.75. Of the remaining two books, if the price of one book is 60% more than the price of the other, what ia t...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "a positive number x is multiplied by 8 , and this product is then divided by 3 . if the positive square root of the result of these two operations equals x , what is the value of x ? Let's write a Pyth...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Consider a game where you have a circular table with `k` distinct positions and `m` unique tokens placed on some of these positions (each position can have at most one token). Players take turns moving...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given an amount A, we want you to compute the number of ways in which you\ncan gather A rupees if you have an infinite supply of each of C = {1, 3, 5} valued rupee coins.\nInput:\n\nFirst line contain...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Emily's birthday is next week and Jack has decided to buy a present for her. He knows she loves books so he goes to the local bookshop, where there are n books on sale from one of m genres.\n\nIn the b...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Connected undirected weighted graph without self-loops and multiple edges is given. Graph contains n vertices and m edges.\n\nFor each edge (u, v) find the minimal possible weight of the spanning tree ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Let G be a cyclic group of order 20 and let H be a subgroup of G. Find an element x of G such that H = <x>." }, { "role": "assistant", "content": "To find an element x of G such that H = <x...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Little Petya loves counting. He wants to count the number of ways to paint a rectangular checkered board of size n × m (n rows, m columns) in k colors. Besides, the coloring should have the following p...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given two binary strings, A (of length 10) and B (of length 5), \n\noutput 1 if B is a substring of A and 0 otherwise.\nInput\n\nThe first line contains the number of test cases n. This is followed by ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Students of Winter Informatics School are going to live in a set of houses connected by underground passages. Teachers are also going to live in some of these houses, but they can not be accommodated r...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a Python program to check if a given string is a rotated palindrome or not.\n'rotator'\n\nWrite Python code to solve the problem. Please place the solution code in the following format:\n```pytho...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given a list of integers, write a Python program that will remove all duplicates from the list, but this time maintain the original order of elements. For example, if the list is `[1, 1, 2, 2, 3, 4, 4,...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a function to find the duplicate number and the missing number in a list of integers. The list originally contains all the numbers from 1 to n, but due to an error, one of the numbers in the list...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Two players, Alice and Bob, are deciding between seeing a romantic comedy or an action movie. Alice gives the rom-com a score of 3 and the action movie a score of 1, while Bob gives the rom-com a score...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Grigory has n magic stones, conveniently numbered from 1 to n. The charge of the i-th stone is equal to c_i.\n\nSometimes Grigory gets bored and selects some inner stone (that is, some stone with index...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Jack is the most intelligent student in the class.To boost his intelligence,his class teacher gave him a problem named \"Substring Count\".\n\nProblem :\nHis Class teacher gave him n strings numbered f...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "In Manish's restaurant, a waiter is training. Since the waiter isn't good at arithmetic, sometimes he gives guests wrong change. Manish gives him a simple problem. What is A-B (A minus B) ?\n\nSurprisi...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Write a python function that takes a string of digits as input and returns all possible letter combinations of digits from a telephone keypad.\n\nSolve the problem starting with the provided function h...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Chef likes cooking. But more than that, he likes to give gifts. And now he wants to give his girlfriend an unforgettable gift. But unfortunately he forgot the password to the safe where the money he sa...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given a string representing an expression of fraction addition and subtraction, you need to return the calculation result in string format. The final result should be irreducible fraction. If your fina...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given an integer array of `digits`, return the largest multiple of three that can be formed by concatenating some of the given digits in any order.\n\nSince the answer may not fit in an integer data ty...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Modify the given piece of python code, to add a feature that will allow users to add additional details about the restaurant as well.\n```python\nclass Restaurant():\n def __init__(self, restaurant_...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "Given a string `s`, return `true` if a permutation of the string could form a palindrome.\n\n\nExample 1:\nInput: s = \"code\"\nOutput: false\n\nExample 2:\nInput: s = \"aab\"\nOutput: true\n\nExample ...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "You are given three integers a, b and x. Your task is to construct a binary string s of length n = a + b such that there are exactly a zeroes, exactly b ones and exactly x indices i (where 1 ≤ i < n) s...
[ { "role": "system", "content": "You are a helpful assistant." }, { "role": "user", "content": "The new operating system BerOS has a nice feature. It is possible to use any number of characters '/' as a delimiter in path instead of one traditional '/'. For example, strings //usr///local//nginx/sb...