messages list |
|---|
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The only difference between easy and hard versions is constraints.\n\nA session has begun at Beland State University. Many students are taking exams.\n\nPolygraph Poligrafovich is going to examine a gr... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Consider a secure messaging system where each message is encrypted using a unique key derived from the source and destination addresses. The encryption process involves the following steps:\n\n1. The s... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a program to generate all permutations of a string. The output should be a list of permutations of the input string."
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to wr... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Oleg's favorite subjects are History and Math, and his favorite branch of mathematics is division.\n\nTo improve his division skills, Oleg came up with t pairs of integers p_i and q_i and for each pair... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to find the minimum number of arrows required to burst all balloons.\n\nGiven a list of balloons represented as intervals [start, end], where each balloon starts at 'start' and ends at... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Read problems statements in [Hindi], [Mandarin Chinese], [Russian], [Vietnamese], and [Bengali] as well.\n\nChef has a matrix $A$ with $N$ rows (numbered $1$ through $N$) and $M$ columns (numbered $1$ ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Amugae has a sentence consisting of $n$ words. He want to compress this sentence into one word. Amugae doesn't like repetitions, so when he merges two words into one word, he removes the longest prefix... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "In how many different ways can the letters of the word 'SCHOOL' be arranged so that the vowels always come together?\nAnswer Choices: (A) 120 (B) 140 (C) 145 (D) 150 (E) 160"
},
{
"role": "assi... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to solve this Python problem where I have to generate a Union Jack flag as a string based on certain rules. Let's break down t... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Mr. Frugal bought a new house. He feels deeply in love with his new house because it has a comfortable living room in which he can put himself completely at ease. He thinks his new house is a really go... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A long time ago in some far country lived king Copa. After the recent king's reform, he got so large powers that started to keep the books by himself.\n\nThe total income A of his kingdom during 0-th y... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to find the maximum bitwise AND product of four numbers from an array.\n\nSolve the problem starting with the provided function header.\n\nFunction header:\n```\ndef find_max_and_produ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Vanya loves playing. He even has a special set of cards to play with. Each card has a single integer. The number on the card can be positive, negative and can even be equal to zero. The only limit is, ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There is a robot on a checkered field that is endless in all directions. Initially, the robot is located in the cell with coordinates (0, 0). He will execute commands which are described by a string of... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. I need to find the kth bit in Sn. Hmm, the problem says that S1 is \"0\", and each subsequent Si is built by taking Si-1, ... |
[
{
"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": "Petya has come to the math exam and wants to solve as many problems as possible. He prepared and carefully studied the rules by which the exam passes.\n\nThe exam consists of n problems that can be sol... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Jenya has recently acquired quite a useful tool β k-scissors for cutting strings. They are generally used for cutting out two non-intersecting substrings of length k from an arbitrary string s (its len... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The blinds are known to consist of opaque horizontal stripes that can be rotated thus regulating the amount of light flowing in the room. There are n blind stripes with the width of 1 in the factory wa... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Let us play a game of cards. As you all know there are 52 cards in a regular deck, but our deck is somewhat different. Our deck consists of N cards. Each card simply contains a unique number from 1 to ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. The problem is to count the number of subarrays where the number of distinct elements is the same as the original array. H... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "In an attempt to make peace with the Mischievious Mess Makers, Bessie and Farmer John are planning to plant some flower gardens to complement the lush, grassy fields of Bovinia. As any good horticultur... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Tic-Tac-Toe-Tomek is a game played on a 4 x 4 square board. The board starts empty, except that a single 'T' symbol may appear in one of the 16 squares. There are two players: X and O. They take turns ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "In 21XX, humanity finally began a plan to relocate to Mars. Selected as the first group of immigrants to Mars, you are assigned to the Administrative Center of Mars to deal with various problems that o... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "A math student needs to solve the equation f(x) = x^3 - 4x^2 + 5x - 2 using the Newton-Raphson method. The initial guess is x_0 = 0.5, and the student needs to find the root of the equation and determi... |
[
{
"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 number of possible JS values that let Jerry win against Tom's TS. Let's see the... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Provide a step-by-step guide on how to build a functional and stylish home office, including selecting furniture that complements the design scheme, determining the best layout for the space, and incor... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There are `n` **unique** virus variants in an infinite 2D grid. You are given a 2D array `points`, where `points[i] = [xi, yi]` represents a virus originating at `(xi, yi)` on day `0`. Note that it is ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "B-Mansion and courier\n\nProblem Statement\n\nTaro lives alone in a mansion. Taro, who loves studying, intends to study in his study in the house today. Taro can't concentrate outside the study, so he ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write an efficient algorithm that searches for a value `target` in an `m x n` integer matrix `matrix`. This matrix has the following properties:\n\n* Integers in each row are sorted in ascending from... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Maksim walks on a Cartesian plane. Initially, he stands at the point (0, 0) and in one move he can go to any of four adjacent points (left, right, up, down). For example, if Maksim is currently at the ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Guy-Manuel and Thomas have an array $a$ of $n$ integers [$a_1, a_2, \\dots, a_n$]. In one step they can add $1$ to any element of the array. Formally, in one step they can choose any integer index $i$ ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "One player came to a casino and found a slot machine where everything depends only on how he plays. The rules follow.\n\nA positive integer a is initially on the screen. The player can put a coin into ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "problem\n\nThe JOI building is a combination of regular hexagons with a side of 1 meter as shown in the figure. As Christmas is approaching, JOI decided to decorate the walls of the building with illum... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "fact(n) refers to nΓ(nβ1)Γβ―Γ3Γ2Γ1\n\nExample, fact(10)=9Γβ―Γ3Γ2Γ1=3628800,\nand the summation of the digits of fact(10) is 3+6+2+8+8+0+0=27.\nWrite your program to find the summation of the digits of fa... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Santa Claus has received letters from n different kids throughout this year. Of course, each kid wants to get some presents from Santa: in particular, the i-th kid asked Santa to give them one of k_i d... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You have been given a positive integer N. You need to find and print the Factorial of this number. The Factorial of a positive integer N refers to the product of all number in the range from 1 to N. Y... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There are n cells, numbered 1,2,..., n from left to right. You have to place a robot at any cell initially. The robot must make exactly k moves.\n\nIn one move, the robot must move one cell to the left... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Read problem statements in [Russian], [Bengali], and [Mandarin Chinese] as well.\n\nIn a school, there are $C$ clubs (numbered $1$ through $C$) that students can participate in. Each student can be in ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Python function to _find_ _common_ _elements_ _between_ _two_ _lists_.\n`list1 = [1, 2, 3, 4, 5], list2 = [4, 5, 6, 7, 8]`"
},
{
"role": "assistant",
"content": "<think>\nOkay, I ne... |
[
{
"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 split a DNA sequence into three reading frames as per the examples given. Let me think a... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. I need to write a Python function that converts a given number into a word based on the key provided. The number is betwee... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The warehouse in your shop has n shoe pairs. Each pair is characterized by two integers: its price ci and its size si. We know that on this very day all numbers si are different, that is, there is no m... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Sereja has got an array, consisting of n integers, a1, a2, ..., an. Sereja is an active boy, so he is now going to complete m operations. Each operation will have one of the three forms:\n\n 1. Make v... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Mashmokh is playing a new game. In the beginning he has k liters of water and p coins. Additionally he has a rooted tree (an undirected connected acyclic graph) that consists of m vertices. Each vertex... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Sasha likes programming. Once, during a very long contest, Sasha decided that he was a bit tired and needed to relax. So he did. But since Sasha isn't an ordinary guy, he prefers to relax unusually. Du... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Could you create a Python function to remove all non-alphanumeric characters from a string? Please ensure your function is case-insensitive and uses list comprehension."
},
{
"role": "assistant... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The famous global economic crisis is approaching rapidly, so the states of Berman, Berance and Bertaly formed an alliance and allowed the residents of all member states to freely pass through the terri... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Motu and Chotu are Best-Friends.\nThey both used to play CS-GO all the time. We know that there are two teams , they are CT and T .As Motu got bored of playing CS-GO whole day. He found a different ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given an array A = \\{ a_0, a_1...a_{N-1} \\} and an integer D. Find the total number of un-ordered pairs (i, j) where i \\ne j such that a_i * a_j \\equiv 0 \\pmod D.\n\nINPUT\n\nThe first lin... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to find the maximum water that can be contained between two vertical lines on a histogram. The width of each bar is 1.\n\nSolve the problem starting with the provided function h... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given a bracket sequence s consisting of n opening '(' and closing ')' brackets.\n\nA regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Crazy Town is a plane on which there are n infinite line roads. Each road is defined by the equation aix + biy + ci = 0, where ai and bi are not both equal to the zero. The roads divide the plane into ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to find the number of islands in a 2D binary grid. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically.\n\nSolve the problem starting... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given a bracket sequence s of length n, where n is even (divisible by two). The string s consists of n/2 opening brackets '(' and n/2 closing brackets ')'.\n\nIn one move, you can choose exactl... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given two integers a and b (a β€ b). How many prime numbers are there on the interval from a to b, inclusive?\n\nInput\n\nThe input contains two integers a and b (2 β€ a β€ b β€ 1 000 000), separat... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Python function to check if a given matrix is a valid \"Almost Ternary Matrix\". An Almost Ternary Matrix is defined as a matrix where each element has exactly two neighbors with different valu... |
[
{
"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": "Takahashi loves walking on a tree. The tree where Takahashi walks has N vertices numbered 1 through N. The i-th of the N-1 edges connects Vertex a_i and Vertex b_i.\n\nTakahashi has scheduled M walks. ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are tasked with creating a regular expression that will match any IP address. The pattern should follow the format of four numbers separated by dots. Each number should range from 0 to 255."
},
... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Problem\n\nGiven a sequence of length $ N $ $ A = $ {$ a_ {1}, a_ {2}, a_ {3}, ..., a_ {n} $}.\nIt is assumed that $ a_ {i} $ ($ i = 1,2,3, ..., n $) is initialized with $ i $.\n\nProcess the following... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Edo has got a collection of n refrigerator magnets!\n\nHe decided to buy a refrigerator and hang the magnets on the door. The shop can make the refrigerator with any size of the door that meets the fol... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "How many positive multiples of nine are two-digit numbers?"
},
{
"role": "assistant",
"content": "If we divide 99 (the largest two digit number) by 9, we get 11. So, there are 11 positive m... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a Python function that accepts a string and returns the reverse of that string using recursion."
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to write a Python function... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's tackle this problem. Hmm, the task is to calculate the expected number of virus cells after t milliseconds, considering that ea... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "E869120's and square1001's 16-th birthday is coming soon.\nTakahashi from AtCoder Kingdom gave them a round cake cut into 16 equal fan-shaped pieces.\n\nE869120 and square1001 were just about to eat A ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Quan_Lank is a great team with some uncommon interests in programming. Sometimes the team loves to solve strings puzzles, sometimes game puzzles and sometimes metrix type puzzles . Yesterday they have ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Let A be an abelian variety defined by the equation $y^2=x^3+1$ over the finite field $\\mathbb{F}_5$. Find the number of points on the abelian variety A over the finite field $\\mathbb{F}_5$."
},
... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "-"
},
{
"role": "assistant",
"content": "<think>\nOkay, let's see. The problem is to compute F(A) for a binary array A. F(A) is the sum of the product of all subarrays. Since the array is b... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "There are N integers written on a blackboard. The i-th integer is A_i.\n\nTakahashi will repeatedly perform the following operation on these numbers:\n\n* Select a pair of integers, A_i and A_j, that h... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "What is the intersection of the lines given by $y=-4x$ and $y-2=12x$? Express your answer as an ordered pair, with both coordinates expressed as common fractions."
},
{
"role": "assistant",
... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to check if a given string contains all possible binary codes of size k.\n\nSolve the problem starting with the provided function header.\n\nFunction header:\n```\nclass Solutio... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Jzzhu has a big rectangular chocolate bar that consists of n Γ m unit squares. He wants to cut this bar exactly k times. Each cut must meet the following requirements:\n\n * each cut should be straigh... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Along a road running in an east-west direction, there are A shrines and B temples. The i-th shrine from the west is located at a distance of s_i meters from the west end of the road, and the i-th templ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to find if a set of points lie on the same line.\n\nSolve the problem starting with the provided function header.\n\nFunction header:\n```\nclass Solution:\n\tdef check_line(sel... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "One important contest will take place on the most famous programming platform (Topforces) very soon!\n\nThe authors have a pool of n problems and should choose at most three of them into this contest. ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The busses in Berland are equipped with a video surveillance system. The system records information about changes in the number of passengers in a bus after stops.\n\nIf $x$ is the number of passengers... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Given this sequenceΒ
..\n\n\n\n1^(1!)+2^(2!)+3^(3!)+4^(4!)+Β
Β
Β
Β
Β
Β
Β
Β
..N^(N!).\n\n\n\nYour job is to write a program such that given N any time, you have to find out the unit place digit of the sum of the... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to calculate the Hamming distance between two strings.\n\nSolve the problem starting with the provided function header.\n\nFunction header:\n```\nclass Solution:\n\tdef hamming_distanc... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Maxim has got a calculator. The calculator has two integer cells. Initially, the first cell contains number 1, and the second cell contains number 0. In one move you can perform one of the following op... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a python function to find the smallest difference between any two numbers among three given lists. The function should take three lists of integers as input and return the smallest difference.\n\... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function that removes duplicates from a list of strings."
},
{
"role": "assistant",
"content": "<think>\nOkay, I need to write a Python function that removes duplicates from a list ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Jack the Lumberjack used to love chopping down trees. Jack is getting older and is becoming tired of this activity he used to love. He thinks of an idea, βThe Big Oneβ, and fantasizes about going out i... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "The amount of information on the World Wide Web is growing quite rapidly. In this information explosion age, we must survive by accessing only the Web pages containing information relevant to our own n... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Little Petya loves playing with squares. Mum bought him a square 2n Γ 2n in size. Petya marked a cell inside the square and now he is solving the following task.\n\nThe task is to draw a broken line th... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are working as an analyst in a company working on a new system for big data storage. This system will store n different objects. Each object should have a unique ID.\n\nTo create the system, you ch... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "\"Consider the lyrical content of your song and how it contributes to the overall mood. Think about the style and instrumentation you are using and how they enhance the mood. How can you use dynamics t... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings \"pop\", \"noon\", \"x\", an... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given an array $a$ of length $n$. You can choose any two distinct indices $i$ and $j$ ($1 \\le i < j \\le n$) and swap the elements $a_i$ and $a_j$. \n\nWhat is the minimum number of swaps requ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Problem Statement\n\nMr. Takatsuki, who is planning to participate in the Aizu training camp, has a poor house and does not have much money. She is looking for a hotel for a training camp, but is strug... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Valery is very interested in magic. Magic attracts him so much that he sees it everywhere. He explains any strange and weird phenomenon through intervention of supernatural forces. But who would have t... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Having watched the last Harry Potter film, little Gerald also decided to practice magic. He found in his father's magical book a spell that turns any number in the sum of its digits. At the moment Gera... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You are given a sequence of N integer numbers A. Calculate the sum of Ai AND Aj for all the pairs (i, j) where i < j. \n The AND operation is the Bitwise AND operation, defined as in here.\nInput\nThe ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write an essay on the history and cultural significance of traditional jewelry-making in at least three different cultures. Include information about the materials used, the symbolism behind certain pi... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Write a function to find the maximum number of non-overlapping sub-arrays with sum less than or equal to a given value.\n\nSolve the problem starting with the provided function header.\n\nFunction head... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Recently Vova found n candy wrappers. He remembers that he bought x candies during the first day, 2x candies during the second day, 4x candies during the third day, ..., 2^{k-1} x candies during the k-... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "You wrote down all integers from $0$ to $10^n - 1$, padding them with leading zeroes so their lengths are exactly $n$. For example, if $n = 3$ then you wrote out 000, 001, ..., 998, 999.\n\nA block in ... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "In a certain game, you perform three tasks. You flip a coin, and success would be tail. You roll a single die, and success would be a six. You pick a card from a full playing-card deck, and success wou... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Polycarp urgently needs a shovel! He comes to the shop and chooses an appropriate one. The shovel that Policarp chooses is sold for k burles. Assume that there is an unlimited number of such shovels in... |
[
{
"role": "system",
"content": "You are a helpful assistant."
},
{
"role": "user",
"content": "Today is the judgment day of Pokemons worldcup and all the audience are waiting outside the stadium. Many families has come to see the world cup (say N). Each family has atleast one and atmost four mem... |