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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.There used to be unrest in the Galactic Senate. Several thousand solar systems had declared their intentions to leave the Republic. Bu... |
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.Mishka received a gift of multicolored pencils for his birthday! Unfortunately he lives in a monochrome world, where everything is 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.Bozo is shifting his house. He has some balls and boxes which he has to shift. He now wonders how large a ball he can fit in a given 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.Its Alice's birthday and her friend Bob gets him a birthday cake. Its nice delicious circle shaped cake of radius R. Now they need 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.A prime number is one which is divisible by exactly two numbers 1 and itself.
Given a number, find out if the number obtained by summi... |
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.Ram has to pay Shyam R rupees and but the coins which he has got is of limited denomination .Assuming he has a limited knowledge 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.Given a string S, count the number of non empty sub strings that are palindromes.
A sub string is any continuous sequence of character... |
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.Rhezo and his friend Vanya love problem solving. They have a problem set containing N problems, with points assigned to each. Rhezo wa... |
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.Special Sum of number N is defined as follows:
def foo(n):
{
ret = 0
for i = 1 to n:
{
if gcd(n,i) is 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.N persons are standing in a row. The height of the i-th person from the front is A_i.
We want to have each person stand on a stool 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.There are N children standing in a line from left to right. The activeness of the i-th child from the left is A_i.
You can rearrange ... |
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 integers. The i-th integer is A_i.
Find \sum_{i=1}^{N-1}\sum_{j=i+1}^{N} (A_i \mbox{ XOR } A_j), modulo (10^9+7).
What 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.You have N bamboos. The lengths (in centimeters) of these are l_1, l_2, ..., l_N, respectively.
Your objective is to use some of thes... |
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 three strings A, B and C. Check whether they form a word chain.
More formally, determine whether both of the following ... |
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 cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at mos... |
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.Dr .: Peter. I did.
Peter: See you again? What kind of silly invention is this time?
Dr .: You invented the detector for that phanto... |
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 decided to move and decided to leave this place. There is nothing wrong with this land itself, but there is only one thing to worry ... |
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.Dragon's Cruller is a sliding puzzle on a torus. The torus surface is partitioned into nine squares as shown in its development in Fig... |
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
There is a maze which can be described as a W \times H grid. The upper-left cell is denoted as (1, 1), and the lowe... |
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
Have you experienced $10$-by-$10$ grid calculation? It's a mathematical exercise common in Japan. In this 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.Find a cycle in a directed graph G(V, E).
Constraints
* 1 ≤ |V| ≤ 100
* 0 ≤ |E| ≤ 1,000
* si ≠ ti
Input
A directed graph G is 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.Problem description.
“Murphy’s Law doesn’t meant that something bad will happen. It means that whatever can happen, will happen.”
... |
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 had a hard day and want to play little bit. The game is called "Chain". Chef has the sequence of symbols. Each symbol is either '... |
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.Modern cryptosystems rely heavily on our inability to factor large integers quickly as the basis for their security. They need a quick... |
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.Mrityunjay is a high-school teacher, currently coaching students for JEE (Joint Entrance Exam). Mrityunjay every year gives prizes 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 n segments on a coordinate line; each endpoint of every segment has integer coordinates. Some segments can degenerate 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.Dima the hamster enjoys nibbling different things: cages, sticks, bad problemsetters and even trees!
Recently he found a binary searc... |
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. We all know that lucky numbers are the positive integers whose decimal representations contain 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.You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the ar... |
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 a very ancient country the following game was popular. Two people play the game. Initially first player writes a string s1, consist... |
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 sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i ≠ 0).
You have to calculate two following va... |
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.Calculate the number of ways to place n rooks on n × n chessboard so that both following conditions are met:
* each empty cell is u... |
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.Positive integer x is called divisor of positive integer y, if y is divisible by x without remainder. For example, 1 is a divisor of 7... |
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.Sergey attends lessons of the N-ish language. Each lesson he receives a hometask. This time the task is to translate some sentence 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.The Smart Beaver from ABBYY invented a new message encryption method and now wants to check its performance. Checking it manually is 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.Emuskald is an avid horticulturist and owns the world's longest greenhouse — it is effectively infinite in length.
Over the years Emu... |
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.Shaass has decided to hunt some birds. There are n horizontal electricity wires aligned parallel to each other. Wires are numbered 1 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.Let's call a number k-good if it contains all digits not exceeding k (0, ..., k). You've got a number k and an array a containing n 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.Pashmak's homework is a problem about graphs. Although he always tries to do his homework completely, he can't solve this problem. As ... |
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 Kefa came to the restaurant and sat at a table, the waiter immediately brought him the menu. There were n dishes. Kefa knows 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.In Absurdistan, there are n towns (numbered 1 through n) and m bidirectional railways. There is also an absurdly simple road network —... |
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 Gerasimov loves kefir very much. He lives in year 1984 and knows all the details of buying this delicious drink. One day, as 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.Bear Limak has n colored balls, arranged in one long row. Balls are numbered 1 through n, from left to right. There are n possible col... |
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 Alyona is celebrating Happy Birthday! Her mother has an array of n flowers. Each flower has some mood, the mood of i-th flower ... |
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.Comrade Dujikov is busy choosing artists for Timofey's birthday and is recieving calls from Taymyr from Ilia-alpinist.
Ilia-alpinist ... |
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.Berland has a long and glorious history. To increase awareness about it among younger citizens, King of Berland decided to compose an ... |
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.<image>
Recently, a wild Krakozyabra appeared at Jelly Castle. It is, truth to be said, always eager to have something for dinner.
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.Petya is a big fan of mathematics, especially its part related to fractions. Recently he learned that a fraction <image> is called pro... |
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.Nikita and Sasha play a computer game where you have to breed some magical creatures. Initially, they have k creatures numbered from 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.Pig is visiting a friend.
Pig's house is located at point 0, and his friend's house is located at point m on an axis.
Pig can use te... |
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.Arkady decides to observe a river for n consecutive days. The river's water level on each day is equal to some real value.
Arkady goe... |
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 a far away kingdom young pages help to set the table for the King. As they are terribly mischievous, one needs to keep an eye on 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.One fine day, Benny decided to calculate the number of kilometers that she traveled by her bicycle. Therefore, she bought an odometer ... |
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 all know that every positive integer can be represented as the sum of one or more odd integers.
For eg: 4 = 1 + 1 + 1 + 1. Now, yo... |
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.Vipul has N empty boxes, numbered from 1 to N, with infinite capacity. He performs M operations. Each operation is described by 3 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.Ikshu and his prime matrix
Ikshu is in love with prime numbers. He has a matrix of size N X N and wants atleast 5 prime numbers in 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.Quan_Lank is a great team with some uncommon interests in programming. Sometimes the team loves to solve strings puzzles, sometimes ga... |
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.Shil is now finally in a relationship with Uttu. Both of them like to exchange love letters. However, to avoid exposing their relation... |
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.HackerMan has a message that he has coded in form of digits, which means that the message contains only numbers and nothing else. He 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.There are N mountains ranging from east to west, and an ocean to the west.
At the top of each mountain, there is an inn. You have dec... |
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.Niwango-kun is an employee of Dwango Co., Ltd.
One day, he is asked to generate a thumbnail from a video a user submitted.
To generate... |
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 an integer sequence A, whose length is N.
Find the number of the non-empty contiguous subsequences of A whose sums are 0. Not... |
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.Snuke lives in another world, where slimes are real creatures and kept by some people. Slimes come in N colors. Those colors are conve... |
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 a total of n x n squares, n rows vertically and n columns horizontally. Some squares are marked. Create a program that reads... |
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.Fibonacci number f(i) appear in a variety of puzzles in nature and math, including packing problems, family trees or Pythagorean trian... |
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
Cryptography is all the rage at xryuseix's school. Xryuseix, who lives in a grid of cities, has come up with a new cryptograp... |
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 N items that you want to put them into a knapsack. Item i has value vi and weight wi.
You want to find a subset of items 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.Find the intersection of two sets $A = \\{a_0, a_1, ..., a_{n-1}\\}$ and $B = \\{b_0, b_1, ..., b_{m-1}\\}$.
Constraints
* $1 \leq 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.Alice and Johnny are playing a simple guessing game. Johnny picks an arbitrary positive integer n (1 ≤ n ≤ 10^9) and gives Alice exact... |
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 loves games! But he likes to invent his own. Now he plays game "Digit Jump". Chef has sequence of digits S1, S2,..., SN,. He is s... |
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 hidden country of Lapatrecta, an age old custom was followed to ensure that no outsider ever entered their country undetected. ... |
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.NITMAS Fest is live. The members of the community are very busy. People from different colleges have come to compete. But, Naveen is 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.Codehorses has just hosted the second Codehorses Cup. This year, the same as the previous one, organizers are giving T-shirts for 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.Ivan unexpectedly saw a present from one of his previous birthdays. It is array of n numbers from 1 to 200. Array is old and some numb... |
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 tree (a connected undirected graph without cycles) of n vertices. Each of the n - 1 edges of the tree is colored in ei... |
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 common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is record... |
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.Ivan plays an old action game called Heretic. He's stuck on one of the final levels of this game, so he needs some help with killing 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.Bob is about to take a hot bath.
There are two taps to fill the bath: a hot water tap and a cold water tap. The cold water's tempera... |
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 cold winter evening Alice and her older brother Bob was sitting at home near the fireplace and giving each other interesting probl... |
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.Catherine received an array of integers as a gift for March 8. Eventually she grew bored with it, and she started calculated various u... |
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.Koa the Koala and her best friend want to play a game.
The game starts with an array a of length n consisting of non-negative integer... |
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 a set of integers (it can contain equal elements).
You have to split it into two subsets A and B (both of them can contain equa... |
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 road consisting of several rows. Each row is divided into several rectangular tiles, and all tiles in the same row are equa... |
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.Having stayed home alone, Petya decided to watch forbidden films on the Net in secret. "What ungentlemanly behavior!" — you can say 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.Vasya adores sport programming. He can't write programs but he loves to watch the contests' progress. Vasya even has a favorite coder ... |
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.To celebrate the second ABBYY Cup tournament, the Smart Beaver decided to throw a party. The Beaver has a lot of acquaintances, some 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.Vasya plays a computer game with ninjas. At this stage Vasya's ninja should get out of a deep canyon.
The canyon consists of two 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.The Little Elephant has got a problem — somebody has been touching his sorted by non-decreasing array a of length n and possibly swapp... |
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 has been noted that if some ants are put in the junctions of the graphene integer lattice then they will act in the following fashi... |
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.Iahub recently has learned Bubble Sort, an algorithm that is used to sort a permutation with n elements a1, a2, ..., an in ascending 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.Om Nom really likes candies and doesn't like spiders as they frequently steal candies. One day Om Nom fancied a walk in a park. Unfort... |
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.Mr. Kitayuta has just bought an undirected graph consisting of n vertices and m edges. The vertices of the graph are numbered from 1 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.Kyoya Ootori has a bag with n colored balls that are colored with k different colors. The colors are labeled from 1 to k. Balls 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.Kefa wants to celebrate his first big salary by going to restaurant. However, he needs company.
Kefa has n friends, each friend will... |
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 seeing the "ALL YOUR BASE ARE BELONG TO US" meme for the first time, numbers X and Y realised that they have different bases, wh... |
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.Bear Limak likes watching sports on TV. He is going to watch a game today. The game lasts 90 minutes and there are no breaks.
Each mi... |
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.Anatoly lives in the university dorm as many other students do. As you know, cockroaches are also living there together with students.... |
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 monster is chasing after Rick and Morty on another planet. They're so frightened that sometimes they scream. More accurately, Rick s... |
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 several latest reforms many tourists are planning to visit Berland, and Berland people understood that it's an opportunity to ea... |
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.<image>
Slastyona and her loyal dog Pushok are playing a meaningless game that is indeed very interesting.
The game consists of mult... |
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