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user: 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.Ilya is very fond of graphs, especially trees. During his last trip to the forest Ilya found a very interesting tree rooted at vertex ... |
user: 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.You are given a complete undirected graph with n vertices. A number ai is assigned to each vertex, and the weight of an edge between v... |
user: 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.Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits oth... |
user: 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.It is the middle of 2018 and Maria Stepanovna, who lives outside Krasnokamensk (a town in Zabaikalsky region), wants to rent three dis... |
user: 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.In Byteland,conversion of numbers between different bases has always been a herculian task.They always make errors in these conversio... |
user: 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.Captain Jack Sparrow and Davy Jones are having a furious sword fight to gain the key to the chest containing Davy Jones' heart. Jack w... |
user: 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.Link to Russian translation of the problem.
Kevin has an array A of N integers, but he doesn't like it - he only likes an array if al... |
user: 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.A modified KP number is a positive whole number n with d digits, such that when we split its square into two pieces - a right hand pie... |
user: 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.Panda is fond of numbers. Given a number, he subtracts it with squares of any one particular digit of that number to get new numbers. ... |
user: 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.Jack is a great mathematician. He loves to solve series. Now Stuart gave a
series to Jack and said you have to solve the problem by ma... |
user: 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.The end sem exams at are over. Sneh is the class teacher of class X/C. She now has the hectic task of preparing the report card of her... |
user: 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.A positive integer X is said to be a lunlun number if and only if the following condition is satisfied:
* In the base ten representat... |
user: 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.Given is a tree G with N vertices. The vertices are numbered 1 through N, and the i-th edge connects Vertex a_i and Vertex b_i.
Consi... |
user: 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.You are given a 4-character string S consisting of uppercase English letters. Determine if S consists of exactly two kinds of characte... |
user: 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.Write a program which prints the central coordinate $(p_x, p_y)$ and the radius $r$ of a circumscribed circle of a triangle which is c... |
user: 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.A prime number n (11, 19, 23, etc.) that divides by 4 and has 3 has an interesting property. The results of calculating the remainder ... |
user: 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.One of the games that uses the Hyakunin Isshu tag is "Buddhist turning". It is a simple game that uses only picture cards, so it is wi... |
user: 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.Jon is the leader of killifish. Jon have a problem in these days. Jon has a plan to built new town in a pond. Of course new towns shou... |
user: 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.JAVA (Japan Aerospace Voyage Agency) launched a spacecraft in 2003 as part of its space development project. One of the purposes of la... |
user: 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.The goal of the matrix-chain multiplication problem is to find the most efficient way to multiply given $n$ matrices $M_1, M_2, M_3,..... |
user: 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.A valid parentheses sequence is a non-empty string where each character is either '(' or ')', which satisfies the following constraint... |
user: 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.After a long time, Chef has finally decided to renovate his house. Chef's house has N rooms in it numbered from 1 to N. Each room is c... |
user: 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.Note: For Turbo C++, select "Text" as your language
Problem description:
ProCon Junior gives you chance to earn points for admission i... |
user: 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.An integer is said to be a palindrome if it is equal to its
reverse. For example, 79197 and 324423 are palindromes. In this task
you ... |
user: 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.Given the lengths of the edges of a tetrahedron
calculate the radius of a sphere inscribed in that tetrahedron
(i.e. a sphere tangent ... |
user: 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.You are given a straight half-line divided into segments of unit length, which we will call positions. The positions are numbered by p... |
user: 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.Consider a sequence of digits of length 2^k [a_1, a_2, …, a_{2^k}]. We perform the following operation with it: replace pairs (a_{2i+1... |
user: 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.You are fed up with your messy room, so you decided to clean it up.
Your room is a bracket sequence s=s_{1}s_{2}... s_{n} of length n... |
user: 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.You are playing another computer game, and now you have to slay n monsters. These monsters are standing in a circle, numbered clockwis... |
user: 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.You are given an array a consisting of n positive integers.
Initially, you have an integer x = 0. During one move, you can do one of ... |
user: 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.Polycarp was gifted an array a of length n. Polycarp considers an array beautiful if there exists a number C, such that each number in... |
user: 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.A sequence of n non-negative integers (n ≥ 2) a_1, a_2, ..., a_n is called good if for all i from 1 to n-1 the following condition hol... |
user: 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.In some country live wizards. They like to make weird bets.
Two wizards draw an acyclic directed graph with n vertices and m edges (t... |
user: 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.The new operating system BerOS has a nice feature. It is possible to use any number of characters '/' as a delimiter in path instead o... |
user: 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.Some days ago, WJMZBMR learned how to answer the query "how many times does a string x occur in a string s" quickly by preprocessing t... |
user: 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.Vasya has got two number: a and b. However, Vasya finds number a too short. So he decided to repeat the operation of lengthening numbe... |
user: 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.The cows have just learned what a primitive root is! Given a prime p, a primitive root <image> is an integer x (1 ≤ x < p) such that n... |
user: 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.People like to be fit. That's why many of them are ready to wake up at dawn, go to the stadium and run. In this problem your task is t... |
user: 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.Kostya is a progamer specializing in the discipline of Dota 2. Valve Corporation, the developer of this game, has recently released a ... |
user: 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.Indian summer is such a beautiful time of the year! A girl named Alyona is walking in the forest and picking a bouquet from fallen lea... |
user: 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.A and B are preparing themselves for programming contests.
To train their logical thinking and solve problems better, A and B decided... |
user: 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.Two positive integers a and b have a sum of s and a bitwise XOR of x. How many possible values are there for the ordered pair (a, b)?
... |
user: 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.Pari wants to buy an expensive chocolate from Arya. She has n coins, the value of the i-th coin is ci. The price of the chocolate is k... |
user: 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.Fangy the little walrus, as all the modern walruses, loves to communicate via text messaging. One day he faced the following problem: ... |
user: 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.Recently Luba bought a monitor. Monitor is a rectangular matrix of size n × m. But then she started to notice that some pixels cease t... |
user: 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.Copying large hexadecimal (base 16) strings by hand can be error prone, but that doesn't stop people from doing it. You've discovered ... |
user: 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.Vova promised himself that he would never play computer games... But recently Firestorm — a well-known game developing company — publi... |
user: 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.Victor tries to write his own text editor, with word correction included. However, the rules of word correction are really strange.
V... |
user: 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.You are given two integers a and b. Moreover, you are given a sequence s_0, s_1, ..., s_{n}. All values in s are integers 1 or -1. It'... |
user: 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.Chandu's girlfriend loves arrays that are sorted in non-increasing order. Today is her birthday. Chandu wants to give her some sorted... |
user: 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.It is lunch time at the Vibrant Gujarat Summit and all the investors are called for the executive lunch. When Bruce reached the lunch ... |
user: 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.Monk visits Biksy, the largest trading market in the land. Biksy has traders from all over the world.
There are a total of N items ind... |
user: 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.Sherlock and Watson are close friends. One day, they finally got bored of playing normal games.
So, they came up with a new idea of p... |
user: 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.Definition:
Roy's boolean function (RBF) is True, if number of the positive integers less than or equal to N that are relatively prime... |
user: 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.Problem:
You are given n natural numbers a1,a2,a3…… an. Let SOD of a number be defined as the Sum of Digits of that number. Compute t... |
user: 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.With the T20 world cup going on, a list of batsmen was prepared with their country code and their T20I career runs.
The list contain... |
user: 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.We will buy a product for N yen (the currency of Japan) at a shop.
If we use only 1000-yen bills to pay the price, how much change wi... |
user: 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.Does \sqrt{a} + \sqrt{b} < \sqrt{c} hold?
Constraints
* 1 \leq a, b, c \leq 10^9
* All values in input are integers.
Input
Input i... |
user: 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.We have N weights indexed 1 to N. The mass of the weight indexed i is W_i.
We will divide these weights into two groups: the weights... |
user: 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.Takahashi lives in another world. There are slimes (creatures) of 10000 colors in this world. Let us call these colors Color 1, 2, ...... |
user: 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.For a positive integer n, let us define f(n) as the number of digits in base 10.
You are given an integer S. Count the number of the ... |
user: 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.You are given N points (x_i,y_i) located on a two-dimensional plane. Consider a subset S of the N points that forms a convex polygon. ... |
user: 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.Dolphin loves programming contests. Today, he will take part in a contest in AtCoder.
In this country, 24-hour clock is used. For exam... |
user: 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.There is a double-track line (up and down are separate lines and pass each other everywhere). There are 11 stations on this line, incl... |
user: 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.Create a program that inputs the vertex information of two polygons inscribed in one circle and outputs the magnitude relationship of ... |
user: 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.Problem
KND is a student programmer at the University of Aizu. He is known to be a sweet tooth. He will be staying in a city for a ye... |
user: 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.Entrance Examination
The International Competitive Programming College (ICPC) is famous for its research on competitive programming. ... |
user: 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.G： 検閲により置換 (Censored String)
Problem Statement
You are given the string S, and the set of strings \mathcal P whose size is N. Now we... |
user: 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.Write a program of the Bubble Sort algorithm which sorts a sequence A in ascending order. The algorithm should be based on the followi... |
user: 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.Write a program which reads a sequence and prints it in the reverse order.
Note
解説
Constraints
* n ≤ 100
* 0 ≤ ai < 1000
Input
T... |
user: 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.Tanish loves alphabets. He loves alphabets so much that he ignores all other characters.
Also, whenever he is given an alphabet he giv... |
user: 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.Chef spent N days working really hard! He planned loads of tasks: as many as Ai tasks to do on the ith day! Chef's work was brutal, so... |
user: 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.Problem
Michal Scofield and Lincon burrow are two brothers. By a murder allegation Lincon Burrow was sentenced to jail. Michal Scof... |
user: 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.You need to shuffle a series of numbers from 1 To T, inclusive. The numbers are in ascending order, you have to shuffle them using bub... |
user: 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.Little Egor likes to play with positive integers and their divisors. Bigger the number to play with, more the fun! The boy asked you t... |
user: 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.You 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) ch... |
user: 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.We call an array b_1, b_2, …, b_m good, if there exist two indices i < j such that b_i ⋅ b_j is a [perfect square](https://en.wikipedi... |
user: 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.You are given a string s consisting only of lowercase Latin letters.
You can rearrange all letters of this string as you wish. Your t... |
user: 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.One day Sasha visited the farmer 2D and his famous magnetic farm. On this farm, the crop grows due to the influence of a special magne... |
user: 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.A superhero fights with a monster. The battle consists of rounds, each of which lasts exactly n minutes. After a round ends, the next ... |
user: 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.Let's define an unambiguous arithmetic expression (UAE) as follows.
* All non-negative integers are UAE's. Integers may have leadi... |
user: 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.You have given tree consist of n vertices. Select a vertex as root vertex that satisfies the condition below.
* For all vertices v_... |
user: 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.Let's look at the following process: initially you have an empty stack and an array s of the length l. You are trying to push array el... |
user: 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.You are given four integers a, b, x and y. Initially, a ≥ x and b ≥ y. You can do the following operation no more than n times:
* C... |
user: 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.Gildong has an interesting machine that has an array a with n integers. The machine supports two kinds of operations:
1. Increase a... |
user: 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.You are given an integer array a of size n.
You have to perform m queries. Each query has one of two types:
* "1 l r k" — calcula... |
user: 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.Polycarpus has a hobby — he develops an unusual social network. His work is almost completed, and there is only one more module to imp... |
user: 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.Recently, Valery have come across an entirely new programming language. Most of all the language attracted him with template functions... |
user: 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.You've got an n × m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to... |
user: 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.Nowadays the one-way traffic is introduced all over the world in order to improve driving safety and reduce traffic jams. The governme... |
user: 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.In this problem at each moment you have a set of intervals. You can move from interval (a, b) from our set to interval (c, d) from our... |
user: 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.Sereja has two sequences a and b and number p. Sequence a consists of n integers a1, a2, ..., an. Similarly, sequence b consists of m ... |
user: 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.One day Vasya decided to have a look at the results of Berland 1910 Football Championship’s finals. Unfortunately he didn't find the o... |
user: 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.Many computer strategy games require building cities, recruiting army, conquering tribes, collecting resources. Sometimes it leads to ... |
user: 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.Amr loves Chemistry, and specially doing experiments. He is preparing for a new interesting experiment.
Amr has n different types of ... |
user: 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.Carl is a beginner magician. He has a blue, b violet and c orange magic spheres. In one move he can transform two spheres of the same ... |
user: 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.A tennis tournament with n participants is running. The participants are playing by an olympic system, so the winners move on and the ... |
user: 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.A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai... |
user: 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.There are several days left before the fiftieth birthday of a famous Berland's writer Berlbury. In this connection the local library d... |
user: 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.You are given a text consisting of n lines. Each line contains some space-separated words, consisting of lowercase English letters.
W... |
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