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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.Given are a sequence of N integers A_1, A_2, \ldots, A_N and a positive integer S.
For a pair of integers (L, R) such that 1\leq L \le... |
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 N boxes arranged in a row from left to right. The i-th box from the left contains A_i candies.
You will take out the candie... |
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.On a two-dimensional plane, there are m lines drawn parallel to the x axis, and n lines drawn parallel to the y axis. Among the lines ... |
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 play Hit and Blow game. A imagines four numbers and B guesses the numbers. After B picks out four numbers, A answers:
* The num... |
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 secret organization AiZu AnalyticS has launched a top-secret investigation. There are N people targeted, with identification 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.After a long journey, the super-space-time immigrant ship carrying you finally discovered a planet that seems to be habitable. The pla... |
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, the teacher came up with the following game.
The game uses n cards with one number from 1 to 10 and proceeds as follows.
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.Milky Way
Milky Way
English text is not available in this practice contest.
The Milky Way Transportation Corporation is a travel ag... |
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 $t$ and a set $S$ of $N$ different strings. You need to separate $t$ such that each part is included in $S$.
F... |
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.Determine whether a text T includes a pattern P. Your program should answer for given queries consisting of P_i.
Constraints
* 1 ≤ l... |
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 problem is very simple. For every string given as input, you need to tell us the number of subsequences of it that are palindromes... |
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 Statement
A Mathematics professor walked into her class. She wanted to test her students’ abilities and hence, gave them a se... |
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.Alice and Bob, both have to drink water. But they both don't want to go, so they will play a game to decide who will fetch water for 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.Problem description
One of the Engineer friends of John, Mr. Dev tried to develop an encryption algorithm which can send strings of wo... |
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.Help Saurabh with his Chemistry Assignment.
Saurabh has been given a chemistry assignment by Ruby Mam. Though the assignment is simple... |
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 positive integer n greater or equal to 2. For every pair of integers a and b (2 ≤ |a|, |b| ≤ n), you can transform a 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.On a random day, Neko found n treasure chests and m keys. The i-th chest has an integer a_i written on it and the j-th key has an inte... |
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, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there wer... |
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.As we all know, Winnie-the-Pooh just adores honey. Ones he and the Piglet found out that the Rabbit has recently gotten hold of an 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.Dawid has four bags of candies. The i-th of them contains a_i candies. Also, Dawid has two friends. He wants to give each bag to one 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.The map of the capital of Berland can be viewed on the infinite coordinate plane. Each point with integer coordinates contains a build... |
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.Recall that MEX of an array is a minimum non-negative integer that does not belong to the array. Examples:
* for the array [0, 0, 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.VK news recommendation system daily selects interesting publications of one of n disjoint categories for each user. Each publication 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.Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of 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.There are n cities and m bidirectional roads in Berland. The i-th road connects the cities x_i and y_i, and has the speed limit s_i. 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.Highway 201 is the most busy street in Rockport. Traffic cars cause a lot of hindrances to races, especially when there are a lot of 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 ancient Berlanders believed that the longer the name, the more important its bearer is. Thus, Berland kings were famous for their ... |
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's bicycle chain drive consists of two parts: n stars are attached to the pedal axle, m stars are attached to the rear wheel axle... |
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.Valera had two bags of potatoes, the first of these bags contains x (x ≥ 1) potatoes, and the second — y (y ≥ 1) potatoes. Valera — ve... |
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.John Doe has found the beautiful permutation formula.
Let's take permutation p = p1, p2, ..., pn. Let's define transformation f of th... |
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.Seryozha has a very changeable character. This time he refused to leave the room to Dima and his girlfriend (her hame is Inna, by 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.Sereja and Dima play a game. The rules of the game are very simple. The players have n cards in a row. Each card contains a number, 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.We call a string good, if after merging all the consecutive equal characters, the resulting string is palindrome. For example, "aabba"... |
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 Marmot wants to prepare a huge and important battle against his enemy, Captain Snake. For this battle he has n regiments, each... |
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 turns out that you are a great fan of rock band AC/PE. Peter learned that and started the following game: he plays the first song 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.Mike is a bartender at Rico's bar. At Rico's, they put beer glasses in a special shelf. There are n kinds of beer at Rico's numbered f... |
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.Wilbur the pig now wants to play with strings. He has found an n by m table consisting only of the digits from 0 to 9 where the rows 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.Tonight is brain dinner night and all zombies will gather together to scarf down some delicious brains. The artful Heidi plans to cras... |
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.Memory and his friend Lexa are competing to get higher score in one popular computer game. Memory starts with score a and Lexa starts ... |
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 Berland each high school student is characterized by academic performance — integer value between 1 and 5.
In high school 0xFF 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 a directed acyclic graph with n vertices and m edges. There are no self-loops or multiple edges between any pair of vert... |
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 lists of non-zero digits.
Let's call an integer pretty if its (base 10) representation has at least one digit from ... |
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.— I... I survived.
— Welcome home, Chtholly.
— I kept my promise...
— I made it... I really made it!
After several days of fightin... |
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.Eleven wants to choose a new name for herself. As a bunch of geeks, her friends suggested an algorithm to choose a name for her. Eleve... |
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've got no test cases. A big olympiad is coming up. But the problemsetters' number one priority should be adding another problem 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.You are given an NxM chessboard. Find the number of pairs of different positions of a bishop and a PQ-knight where they don't attack e... |
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.Like other girlfriends Chintu's girlfriend is also very demanding. This time she is demanding for bracelet having atleast k special be... |
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, you are given list of N numbers from 1 to N. They may be written in any order. You are to create a special list out 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.In this problem your goal is to guess some secret permutation A of integers from 1 to 16.
There are 17 tests in this problem. Test nu... |
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.Evil hackers are trying to hack the database of HackerEarth.com.
After a lot of work they figure out that the encryption key used by H... |
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.Lets think of an infinite series of numbers such that the difference between any two consecutive numbers is d. Let the first 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.Alice has just learnt about primeStrings. A string is a primeString if the number of distinct alphabets used in the string is a 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.Saxie is a programming enthusiast. He has always been amazed by the beauty of strings. He always dreams of going to Byteland and playi... |
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.Therasa is a Nurse. She wants to give some tablets to the patients in her practice. All the patients sit in a line and each of them ... |
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.Ali baba did a trick on the forty thieves and was able to trap them inside a big cave which was the home of wild wolves. The thieves 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 have a sequence A composed of N positive integers: A_{1}, A_{2}, \cdots, A_{N}.
You will now successively do the following Q oper... |
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 N children, numbered 1, 2, \ldots, N.
They have decided to share K candies among themselves. Here, for each i (1 \leq i \le... |
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 postal code in Atcoder Kingdom is A+B+1 characters long, its (A+1)-th character is a hyphen `-`, and the other characters are digi... |
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 a sequence of length N, a = (a_1, a_2, ..., a_N). Each a_i is a positive integer.
Snuke's objective is to permute the element... |
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.Assume that a, b, and n are all positive integers. Let f (i) be the i-th fraction of the fraction a / b (0 ≤ f (i) ≤ 9). At this time,... |
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.Tsuruga Castle, a symbol of Aizuwakamatsu City, was named "Tsuruga Castle" after Gamo Ujisato built a full-scale castle tower. You can... |
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 educational program (AHK Education) of the Aiz Broadcasting Association broadcasts a handicraft program for children, "Play with 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.problem
In the area where Kazakhstan is now located, there used to be a trade route called the "Silk Road".
There are N + 1 cities 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.In the good old Hachioji railroad station located in the west of Tokyo, there are several parking lines, and lots of freight trains co... |
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.Shortest Common Non-Subsequence
A subsequence of a sequence $P$ is a sequence that can be derived from the original sequence $P$ 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.A Garden with Ponds
Mr. Gardiner is a modern garden designer who is excellent at utilizing the terrain features. His design method is... |
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 E: Anipero
The long and short summer, which had been hot, was about to end. One day in late August, a person who likes 2D and... |
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 convex polygon consisting of N vertices is given. The coordinates of each vertex are represented counterclockwise by (X1, Y1), (X2, ... |
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.C: Namo .. Cut
problem
-Defeat the mysterious giant jellyfish, codenamed "Nari"-
"Nari" has a very strong vitality, so if you don'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.Problem
The popular video posting site "ZouTube" is now in the midst of an unprecedented "virtual ZouTuber" boom. Among them, the one... |
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.Arithmetic and geometric Progressions are 2 of the well known progressions in maths. Arithmetic progression (AP) is a set in which 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.Tomya is a girl. She loves Chef Ciel very much.
Tomya like a positive integer p, and now she wants to get a receipt of Ciel's restau... |
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.Pratyush, a six year old kid has just learnt how to write 1 through 1000 in decimal number system(DNS). Being a very curious kid, he 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.Recall the definition of the Fibonacci numbers:
f1 := 1
f2 := 2
fn := fn-1 + fn-2 (n ≥ 3)
Given two numbers a and b, 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.When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of 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.Initially Ildar has an empty array. He performs n steps. On each step he takes a subset of integers already added to the array and app... |
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 number n. The following algorithm is applied to it:
1. if n = 0, then end algorithm;
2. find the smalle... |
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.Petr has just bought a new car. He's just arrived at the most known Petersburg's petrol station to refuel it when he suddenly discover... |
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 connected undirected graph consisting of n vertices and m edges. There are no self-loops or multiple edges in the give... |
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 arrays a and b, both of length n.
Let's define a function f(l, r) = ∑_{l ≤ i ≤ r} a_i ⋅ b_i.
Your task is to reord... |
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 Third Doctor Who once correctly said that travel between parallel universes is "like travelling sideways". However, he incorrectly... |
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 n students standing in a circle in some order. The index of the i-th student is p_i. It is guaranteed that all indices of st... |
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 lucky numbers are positive integers whose decimal representation contains only the luc... |
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.Vadim loves decorating the Christmas tree, so he got a beautiful garland as a present. It consists of n light bulbs in a single row. E... |
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 Petya very much likes computers. Recently he has received a new "Ternatron IV" as a gift from his mother. Unlike other modern 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.You are given n points on a plane. All points are different.
Find the number of different groups of three points (A, B, C) such that ... |
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.Alice and Bob don't play games anymore. Now they study properties of all sorts of graphs together. Alice invented the following task: ... |
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.Coming up with a new problem isn't as easy as many people think. Sometimes it is hard enough to name it. We'll consider a title origin... |
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 n kangaroos with pockets. Each kangaroo has a size (integer number). A kangaroo can go into another kangaroo's pocket if and... |
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 develops an interesting theory about the interrelation of arithmetic progressions with just everything in the world. His cu... |
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.Kolya got string s for his birthday, the string consists of small English letters. He immediately added k more characters to the right... |
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.Paul hates palindromes. He assumes that string s is tolerable if each its character is one of the first p letters of the English alpha... |
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 Berland State University is hosting a ballroom dance in celebration of its 100500-th anniversary! n boys and m girls are already 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.A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 — are... |
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 n frogs sitting on the coordinate axis Ox. For each frog two values xi, ti are known — the position and the initial length 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.Limak is a little polar bear. He loves connecting with other bears via social networks. He has n friends and his relation with the i-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.There are n servers in a laboratory, each of them can perform tasks. Each server has a unique id — integer from 1 to n.
It is known 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.Tourist walks along the X axis. He can choose either of two directions and any speed not exceeding V. He can also stand without moving... |
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.Absent-minded Masha got set of n cubes for her birthday.
At each of 6 faces of each cube, there is exactly one digit from 0 to 9. Mas... |
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 African crossword is a rectangular table n × m in size. Each cell of the table contains exactly one letter. This table (it is also ... |
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