question large_stringlengths 265 13.2k |
|---|
Solve the programming task below in a Python markdown code block.
<image>
Input
The input contains a single integer a (1 ≤ a ≤ 18257).
Output
Print a single integer output (1 ≤ output ≤ 2·109).
Examples
Input
2
Output
13
Read the inputs from stdin solve the problem and write the answer to stdout (do not dir... |
Solve the programming task below in a Python markdown code block.
*Are you a file extension master? Let's find out by checking if Bill's files are images or audio files. Please use regex if available natively for your language.*
You will create 2 string methods:
- **isAudio/is_audio**, matching 1 or + uppercase/lowe... |
Solve the programming task below in a Python markdown code block.
We have N+M balls, each of which has an integer written on it.
It is known that:
- The numbers written on N of the balls are even.
- The numbers written on M of the balls are odd.
Find the number of ways to choose two of the N+M balls (disregarding... |
Solve the programming task below in a Python markdown code block.
You are given an array $a$ of length $n$, and an integer $x$. You can perform the following operation as many times as you would like (possibly zero): replace two adjacent elements of the array by their sum. For example, if the initial array was $[3, 6,... |
Solve the programming task below in a Python markdown code block.
By 2312 there were n Large Hadron Colliders in the inhabited part of the universe. Each of them corresponded to a single natural number from 1 to n. However, scientists did not know what activating several colliders simultaneously could cause, so the co... |
Solve the programming task below in a Python markdown code block.
Throughout Igor K.'s life he has had many situations worthy of attention. We remember the story with the virus, the story of his mathematical career and of course, his famous programming achievements. However, one does not always adopt new hobbies, one ... |
Solve the programming task below in a Python markdown code block.
Find the intersection of two sets $A = \\{a_0, a_1, ..., a_{n-1}\\}$ and $B = \\{b_0, b_1, ..., b_{m-1}\\}$.
Constraints
* $1 \leq n, m \leq 200,000$
* $0 \leq a_0 < a_1 < ... < a_{n-1} \leq 10^9$
* $0 \leq b_0 < b_1 < ... < b_{m-1} \leq 10^9$
Input
... |
Solve the programming task below in a Python markdown code block.
Bob is preparing to pass IQ test. The most frequent task in this test is to find out which one of the given n numbers differs from the others. Bob observed that one number usually differs from the others in evenness. Help Bob — to check his answers, he ... |
Solve the programming task below in a Python markdown code block.
You had $n$ positive integers $a_1, a_2, \dots, a_n$ arranged in a circle. For each pair of neighboring numbers ($a_1$ and $a_2$, $a_2$ and $a_3$, ..., $a_{n - 1}$ and $a_n$, and $a_n$ and $a_1$), you wrote down: are the numbers in the pair equal or not... |
Solve the programming task below in a Python markdown code block.
An element in an array is dominant if it is greater than all elements to its right. You will be given an array and your task will be to return a list of all dominant elements. For example:
```Haskell
solve([1,21,4,7,5]) = [21,7,5] because 21, 7 and 5 ar... |
Solve the programming task below in a Python markdown code block.
You still have partial information about the score during the historic football match. You are given a set of pairs $(a_i, b_i)$, indicating that at some point during the match the score was "$a_i$: $b_i$". It is known that if the current score is «$x$:... |
Solve the programming task below in a Python markdown code block.
As a part of this Kata, you need to create a function that when provided with a triplet, returns the index of the numerical element that lies between the other two elements.
The input to the function will be an array of three distinct numbers (Haskell:... |
Solve the programming task below in a Python markdown code block.
How many multiples of d are there among the integers between L and R (inclusive)?
Constraints
* All values in input are integers.
* 1 \leq L \leq R \leq 100
* 1 \leq d \leq 100
Input
Input is given from Standard Input in the following format:
L R ... |
Solve the programming task below in a Python markdown code block.
You are given an array $a$, consisting of $n$ positive integers.
Let's call a concatenation of numbers $x$ and $y$ the number that is obtained by writing down numbers $x$ and $y$ one right after another without changing the order. For example, a concat... |
Solve the programming task below in a Python markdown code block.
Andrii is good in Math, but not in Programming. He is asking you to solve following problem: Given an integer number N and two sets of integer A and B. Let set A contain all numbers from 1 to N and set B contain all numbers from N + 1 to 2N. Multiset C ... |
Solve the programming task below in a Python markdown code block.
A bracket sequence is a string that is one of the following:
- An empty string;
- The concatenation of (, A, and ) in this order, for some bracket sequence A ;
- The concatenation of A and B in this order, for some non-empty bracket sequences A and B... |
Solve the programming task below in a Python markdown code block.
D: Sontaku (Surmise)
Some twins like even numbers.
Count how many even numbers are in $ N $ integers $ A_1, A_2, A_3, \ dots, A_N $.
input
The integer $ N $ is given on the first line.
On the second line, $ N $ integers $ A_1, A_2, A_3, \ dots, A_N... |
Solve the programming task below in a Python markdown code block.
Program a function `sumAverage(arr)` where `arr` is an array containing arrays full of numbers, for example:
```python
sum_average([[1, 2, 2, 1], [2, 2, 2, 1]])
```
First, determine the average of each array. Then, return the sum of all the averages.
... |
Solve the programming task below in a Python markdown code block.
# Definition
A **number** is called **_Automorphic number_** if and only if *its square ends in the same digits as the number itself*.
___
# Task
**_Given_** a **number** *determine if it Automorphic or not* .
___
# Warm-up (Highly recommended)
# [... |
Solve the programming task below in a Python markdown code block.
The pizza store wants to know how long each order will take. They know:
- Prepping a pizza takes 3 mins
- Cook a pizza takes 10 mins
- Every salad takes 3 mins to make
- Every appetizer takes 5 mins to make
- There are 2 pizza ovens
- 5 pizzas can fit ... |
Solve the programming task below in a Python markdown code block.
Polycarpus loves hamburgers very much. He especially adores the hamburgers he makes with his own hands. Polycarpus thinks that there are only three decent ingredients to make hamburgers from: a bread, sausage and cheese. He writes down the recipe of his... |
Solve the programming task below in a Python markdown code block.
You are given a string $s$. Each character is either 0 or 1.
You want all 1's in the string to form a contiguous subsegment. For example, if the string is 0, 1, 00111 or 01111100, then all 1's form a contiguous subsegment, and if the string is 0101, 10... |
Solve the programming task below in a Python markdown code block.
Complete the function that calculates the derivative of a polynomial. A polynomial is an expression like: 3x^(4) - 2x^(2) + x - 10
### How to calculate the derivative:
* Take the exponent and multiply it with the coefficient
* Reduce the exponent by 1... |
Solve the programming task below in a Python markdown code block.
A telephone number is a sequence of exactly $11$ digits such that its first digit is 8.
Vasya and Petya are playing a game. Initially they have a string $s$ of length $n$ ($n$ is odd) consisting of digits. Vasya makes the first move, then players alter... |
Solve the programming task below in a Python markdown code block.
There is data that records the customer number of the business partner and the trading date on a monthly basis. Please create a program that reads this month's data and last month's data and outputs the customer number of the company with which you have... |
Solve the programming task below in a Python markdown code block.
Given is a string S consisting of `0` and `1`. Find the number of strings, modulo 998244353, that can result from applying the following operation on S zero or more times:
* Remove the two characters at the beginning of S, erase one of them, and reinse... |
Solve the programming task below in a Python markdown code block.
Takahashi has decided to hold fastest-finger-fast quiz games. Kizahashi, who is in charge of making the scoreboard, is struggling to write the program that manages the players' scores in a game, which proceeds as follows.
A game is played by N players, ... |
Solve the programming task below in a Python markdown code block.
In a small town the population is `p0 = 1000` at the beginning of a year. The population
regularly increases by `2 percent` per year and moreover `50` new inhabitants per year
come to live in the town.
How many years does the town need to see its popul... |
Solve the programming task below in a Python markdown code block.
Salve, mi amice.
Et tu quidem de lapis philosophorum. Barba non facit philosophum. Labor omnia vincit. Non potest creatio ex nihilo. Necesse est partibus.
Rp:
I Aqua Fortis
I Aqua Regia
II Amalgama
VII Minium
IV Vitriol
Misce... |
Solve the programming task below in a Python markdown code block.
There is a given string S consisting of N symbols. Your task is to find the number of ordered pairs of integers i and j such that
1. 1 ≤ i, j ≤ N
2. S[i] = S[j], that is the i-th symbol of string S is equal to the j-th.
Input
The single input line c... |
Solve the programming task below in a Python markdown code block.
You are given a binary string $s$.
Find the number of distinct cyclical binary strings of length $n$ which contain $s$ as a substring.
The cyclical string $t$ contains $s$ as a substring if there is some cyclical shift of string $t$, such that $s$ is ... |
Solve the programming task below in a Python markdown code block.
The University of Aizu has a park covered with grass, and there are no trees or buildings that block the sunlight. On sunny summer days, sprinklers installed in the park operate to sprinkle water on the lawn. The frog Pyonkichi lives in this park. Pyonk... |
Solve the programming task below in a Python markdown code block.
An array is defined to be `odd-heavy` if it contains at least one odd element and every element whose value is `odd` is greater than
every even-valued element.
eg.
```
Array [11,4,9,2,8] is odd-heavy
because:- its odd elements [11,9] are greater tha... |
Solve the programming task below in a Python markdown code block.
Vus the Cossack has two binary strings, that is, strings that consist only of "0" and "1". We call these strings $a$ and $b$. It is known that $|b| \leq |a|$, that is, the length of $b$ is at most the length of $a$.
The Cossack considers every substrin... |
Solve the programming task below in a Python markdown code block.
There are a total of A + B cats and dogs.
Among them, A are known to be cats, but the remaining B are not known to be either cats or dogs.
Determine if it is possible that there are exactly X cats among these A + B animals.
-----Constraints-----
- 1 \... |
Solve the programming task below in a Python markdown code block.
Colonel has n badges. He wants to give one badge to every of his n soldiers. Each badge has a coolness factor, which shows how much it's owner reached. Coolness factor can be increased by one for the cost of one coin.
For every pair of soldiers one of... |
Solve the programming task below in a Python markdown code block.
Water Country Water Deven has n cities. Each city is surrounded by water and looks like an island country. Water Deven has m bridges, and transportation between cities is carried out by these bridges, which allows you to travel to and from all cities.
... |
Solve the programming task below in a Python markdown code block.
The problem set at CODE FESTIVAL 20XX Finals consists of N problems.
The score allocated to the i-th (1≦i≦N) problem is i points.
Takahashi, a contestant, is trying to score exactly N points. For that, he is deciding which problems to solve.
As probl... |
Solve the programming task below in a Python markdown code block.
Read problems statements in Mandarin Chinese and Russian as well.
You are given a transparent three-dimensional table, the height equals to H and the base is a two-dimensional table N∙M.
The layers of the 3D table are numbered from 1 to H. Each layer ... |
Solve the programming task below in a Python markdown code block.
Your task in order to complete this Kata is to write a function which formats a duration, given as a number of seconds, in a human-friendly way.
The function must accept a non-negative integer. If it is zero, it just returns `"now"`. Otherwise, the du... |
Solve the programming task below in a Python markdown code block.
You've made it through the moat and up the steps of knowledge. You've won the temples games and now you're hunting for treasure in the final temple run. There's good news and bad news. You've found the treasure but you've triggered a nasty trap. You'll ... |
Solve the programming task below in a Python markdown code block.
Vasiliy likes to rest after a hard work, so you may often meet him in some bar nearby. As all programmers do, he loves the famous drink "Beecola", which can be bought in n different shops in the city. It's known that the price of one bottle in the shop ... |
Solve the programming task below in a Python markdown code block.
The JOI Railways is the only railway company in the Kingdom of JOI. There are $N$ stations numbered from $1$ to $N$ along a railway. Currently, two kinds of trains are operated; one is express and the other one is local.
A local train stops at every st... |
Solve the programming task below in a Python markdown code block.
Snuke has decided to play with N cards and a deque (that is, a double-ended queue).
Each card shows an integer from 1 through N, and the deque is initially empty.
Snuke will insert the cards at the beginning or the end of the deque one at a time, in ord... |
Solve the programming task below in a Python markdown code block.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super lucky if it's... |
Solve the programming task below in a Python markdown code block.
There are $n$ students and $m$ clubs in a college. The clubs are numbered from $1$ to $m$. Each student has a potential $p_i$ and is a member of the club with index $c_i$. Initially, each student is a member of exactly one club. A technical fest starts ... |
Solve the programming task below in a Python markdown code block.
A professor invented Cookie Breeding Machine for his students who like cookies very much.
When one cookie with the taste of x is put into the machine and a non-negative integer y less than or equal to 127 is input on the machine, it consumes the cookie... |
Solve the programming task below in a Python markdown code block.
# Task
You know the slogan `p`, which the agitators have been chanting for quite a while now. Roka has heard this slogan a few times, but he missed almost all of them and grasped only their endings. You know the string `r` that Roka has heard.
You ... |
Solve the programming task below in a Python markdown code block.
Hello! Your are given x and y and 2D array size tuple (width, height) and you have to:
Calculate the according index in 1D space (zero-based).
Do reverse operation.
Implement:
to_1D(x, y, size):
--returns index in 1D space
to_2D(n, size)
--returns... |
Solve the programming task below in a Python markdown code block.
Ann and Borya have n piles with candies and n is even number. There are a_{i} candies in pile with number i.
Ann likes numbers which are square of some integer and Borya doesn't like numbers which are square of any integer. During one move guys can sel... |
Solve the programming task below in a Python markdown code block.
A system is transmitting messages in binary, however it is not a perfect transmission, and sometimes errors will occur which result in a single bit flipping from 0 to 1, or from 1 to 0.
To resolve this, A 2-dimensional Parity Bit Code is used: https://... |
Solve the programming task below in a Python markdown code block.
You are given two non-empty strings $s$ and $t$, consisting of Latin letters.
In one move, you can choose an occurrence of the string $t$ in the string $s$ and replace it with dots.
Your task is to remove all occurrences of the string $t$ in the strin... |
Solve the programming task below in a Python markdown code block.
We have had record hot temperatures this summer. To avoid heat stroke, you decided to buy a quantity of drinking water at the nearby supermarket. Two types of bottled water, 1 and 0.5 liter, are on sale at respective prices there. You have a definite qu... |
Solve the programming task below in a Python markdown code block.
C*++ language is quite similar to C++. The similarity manifests itself in the fact that the programs written in C*++ sometimes behave unpredictably and lead to absolutely unexpected effects. For example, let's imagine an arithmetic expression in C*++ th... |
Solve the programming task below in a Python markdown code block.
There are $n$ warriors in a row. The power of the $i$-th warrior is $a_i$. All powers are pairwise distinct.
You have two types of spells which you may cast: Fireball: you spend $x$ mana and destroy exactly $k$ consecutive warriors; Berserk: you spe... |
Solve the programming task below in a Python markdown code block.
Alice and Bob are studying for their class test together. The topic of the test is Prime Numbers. The preparation is getting too boring for their liking. To make it interesting, they turn it into a game. The winner will get an ice-cream treat from the o... |
Solve the programming task below in a Python markdown code block.
You drop a ball from a given height. After each bounce, the ball returns to some fixed proportion of its previous height. If the ball bounces to height 1 or less, we consider it to have stopped bouncing. Return the number of bounces it takes for the bal... |
Solve the programming task below in a Python markdown code block.
Æsir - CHAOS Æsir - V.
"Everything has been planned out. No more hidden concerns. The condition of Cytus is also perfect.
The time right now...... 00:01:12......
It's time."
The emotion samples are now sufficient. After almost 3 years, it's time for... |
Solve the programming task below in a Python markdown code block.
There are N integers written on a blackboard. The i-th integer is A_i.
Takahashi and Aoki will arrange these integers in a row, as follows:
* First, Takahashi will arrange the integers as he wishes.
* Then, Aoki will repeatedly swap two adjacent integ... |
Solve the programming task below in a Python markdown code block.
Polycarp found under the Christmas tree an array $a$ of $n$ elements and instructions for playing with it:
At first, choose index $i$ ($1 \leq i \leq n$) — starting position in the array. Put the chip at the index $i$ (on the value $a_i$).
While $i \l... |
Solve the programming task below in a Python markdown code block.
You are given an array a with n elements. Each element of a is either 0 or 1.
Let's denote the length of the longest subsegment of consecutive elements in a, consisting of only numbers one, as f(a). You can change no more than k zeroes to ones to maxim... |
Solve the programming task below in a Python markdown code block.
You are given n positive integers a_1, …, a_n, and an integer k ≥ 2. Count the number of pairs i, j such that 1 ≤ i < j ≤ n, and there exists an integer x such that a_i ⋅ a_j = x^k.
Input
The first line contains two integers n and k (2 ≤ n ≤ 10^5, 2 ≤... |
Solve the programming task below in a Python markdown code block.
Bearland has n cities, numbered 1 through n. Cities are connected via bidirectional roads. Each road connects two distinct cities. No two roads connect the same pair of cities.
Bear Limak was once in a city a and he wanted to go to a city b. There was ... |
Solve the programming task below in a Python markdown code block.
This problem takes its name by arguably the most important event in the life of the ancient historian Josephus: according to his tale, he and his 40 soldiers were trapped in a cave by the Romans during a siege.
Refusing to surrender to the enemy, they ... |
Solve the programming task below in a Python markdown code block.
You are given $n$ blocks, each of them is of the form [color$_1$|value|color$_2$], where the block can also be flipped to get [color$_2$|value|color$_1$].
A sequence of blocks is called valid if the touching endpoints of neighboring blocks have the sa... |
Solve the programming task below in a Python markdown code block.
You are given two strings $s$ and $t$ both of length $n$ and both consisting of lowercase Latin letters.
In one move, you can choose any length $len$ from $1$ to $n$ and perform the following operation: Choose any contiguous substring of the string $... |
Solve the programming task below in a Python markdown code block.
Once Vasya played bricks. All the bricks in the set had regular cubical shape. Vasya vas a talented architect, however the tower he built kept falling apart.
Let us consider the building process. Vasya takes a brick and puts it on top of the already bu... |
Solve the programming task below in a Python markdown code block.
At the annual family gathering, the family likes to find the oldest living family member’s age and the youngest family member’s age and calculate the difference between them.
You will be given an array of all the family members' ages, in any order. Th... |
Solve the programming task below in a Python markdown code block.
For a positive integer n let's define a function f:
f(n) = - 1 + 2 - 3 + .. + ( - 1)^{n}n
Your task is to calculate f(n) for a given integer n.
-----Input-----
The single line contains the positive integer n (1 ≤ n ≤ 10^15).
-----Output-----
P... |
Solve the programming task below in a Python markdown code block.
Limak is going to participate in a contest on the last day of the 2016. The contest will start at 20:00 and will last four hours, exactly until midnight. There will be n problems, sorted by difficulty, i.e. problem 1 is the easiest and problem n is the ... |
Solve the programming task below in a Python markdown code block.
Your friend who lives in undisclosed country is involved in debt. He is borrowing 100,000-yen from a loan shark. The loan shark adds 5% interest of the debt and rounds it to the nearest 1,000 above week by week.
Write a program which computes the amoun... |
Solve the programming task below in a Python markdown code block.
Pasha is participating in a contest on one well-known website. This time he wants to win the contest and will do anything to get to the first place!
This contest consists of n problems, and Pasha solves ith problem in a_{i} time units (his solutions ar... |
Solve the programming task below in a Python markdown code block.
Karen has just arrived at school, and she has a math test today! [Image]
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual test. So, they ... |
Solve the programming task below in a Python markdown code block.
There are $n$ rectangles in a row. You can either turn each rectangle by $90$ degrees or leave it as it is. If you turn a rectangle, its width will be height, and its height will be width. Notice that you can turn any number of rectangles, you also can ... |
Solve the programming task below in a Python markdown code block.
There are two rival donut shops.
The first shop sells donuts at retail: each donut costs a dollars.
The second shop sells donuts only in bulk: box of b donuts costs c dollars. So if you want to buy x donuts from this shop, then you have to buy the sma... |
Solve the programming task below in a Python markdown code block.
The Smart Beaver from ABBYY got hooked on square matrices. Now he is busy studying an n × n size matrix, where n is odd. The Smart Beaver considers the following matrix elements good:
* Elements of the main diagonal.
* Elements of the secondary d... |
Solve the programming task below in a Python markdown code block.
Recently Luba bought a very interesting book. She knows that it will take t seconds to read the book. Luba wants to finish reading as fast as she can.
But she has some work to do in each of n next days. The number of seconds that Luba has to spend work... |
Solve the programming task below in a Python markdown code block.
# Task
You are given a regular array `arr`. Let's call a `step` the difference between two adjacent elements.
Your task is to sum the elements which belong to the sequence of consecutive elements of length `at least 3 (but as long as possible)`, su... |
Solve the programming task below in a Python markdown code block.
## Welcome to my (amazing) kata!
You are given a gigantic number to decode. Each number is a code that alternates in a pattern between encoded text and a smaller, encoded number. The pattern's length varies with every test, but the alternation betwee... |
Solve the programming task below in a Python markdown code block.
One day Alice was cleaning up her basement when she noticed something very curious: an infinite set of wooden pieces! Each piece was made of five square tiles, with four tiles adjacent to the fifth center tile: [Image] By the pieces lay a large square... |
Solve the programming task below in a Python markdown code block.
RJ Freight, a Japanese railroad company for freight operations has recently constructed exchange lines at Hazawa, Yokohama. The layout of the lines is shown in Figure B-1.
<image>
Figure B-1: Layout of the exchange lines
A freight train consists of 2 ... |
Solve the programming task below in a Python markdown code block.
Valera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortunately, the English teacher decided to have a test on alphabet today. At the... |
Solve the programming task below in a Python markdown code block.
Chef has recently learnt some new facts about the famous number π. For example, he was surprised that ordinary fractions are sometimes used to represent this number approximately. For example, 22/7, 355/113 or even 103993/33102.
Soon, by calculating the... |
Solve the programming task below in a Python markdown code block.
Although Inzane successfully found his beloved bone, Zane, his owner, has yet to return. To search for Zane, he would need a lot of money, of which he sadly has none. To deal with the problem, he has decided to hack the banks. [Image]
There are n bank... |
Solve the programming task below in a Python markdown code block.
In the beginning of the new year Keivan decided to reverse his name. He doesn't like palindromes, so he changed Naviek to Navick.
He is too selfish, so for a given n he wants to obtain a string of n characters, each of which is either 'a', 'b' or 'c', ... |
Solve the programming task below in a Python markdown code block.
There are some perfect squares with a particular property.
For example the number ```n = 256``` is a perfect square, its square root is ```16```. If we change the position of the digits of n, we may obtain another perfect square``` 625``` (square root =... |
Solve the programming task below in a Python markdown code block.
In AtCoder Kingdom, Gregorian calendar is used, and dates are written in the "year-month-day" order, or the "month-day" order without the year.
For example, May 3, 2018 is written as 2018-5-3, or 5-3 without the year.
In this country, a date is calle... |
Solve the programming task below in a Python markdown code block.
You are given a set of strings S. Each string consists of lowercase Latin letters.
For each string in this set, you want to calculate the minimum number of seconds required to type this string. To type a string, you have to start with an empty string a... |
Solve the programming task below in a Python markdown code block.
Little Susie, thanks to her older brother, likes to play with cars. Today she decided to set up a tournament between them. The process of a tournament is described in the next paragraph.
There are n toy cars. Each pair collides. The result of a collisi... |
Solve the programming task below in a Python markdown code block.
You are given a string and a number k. You are suggested to generate new strings by swapping any adjacent pair of characters in the string up to k times. Write a program to report the lexicographically smallest string among them.
Input
The input is ... |
Solve the programming task below in a Python markdown code block.
Artem has an array of n positive integers. Artem decided to play with it. The game consists of n moves. Each move goes like this. Artem chooses some element of the array and removes it. For that, he gets min(a, b) points, where a and b are numbers that ... |
Solve the programming task below in a Python markdown code block.
In this kata you will create a function to check a non-negative input to see if it is a prime number.
The function will take in a number and will return True if it is a prime number and False if it is not.
A prime number is a natural number greater th... |
Solve the programming task below in a Python markdown code block.
The statement of this problem shares a lot with problem A. The differences are that in this problem, the probability is introduced, and the constraint is different.
A robot cleaner is placed on the floor of a rectangle room, surrounded by walls. The fl... |
Solve the programming task below in a Python markdown code block.
a is an array of n positive integers, all of which are not greater than n.
You have to process q queries to this array. Each query is represented by two numbers p and k. Several operations are performed in each query; each operation changes p to p + ap... |
Solve the programming task below in a Python markdown code block.
JOI has a stove in your room. JOI himself is resistant to the cold, so he doesn't need to put on the stove when he is alone in the room, but he needs to put on the stove when there are visitors.
On this day, there are N guests under JOI. The ith (1 \ l... |
Solve the programming task below in a Python markdown code block.
Ori and Sein have overcome many difficult challenges. They finally lit the Shrouded Lantern and found Gumon Seal, the key to the Forlorn Ruins. When they tried to open the door to the ruins... nothing happened.
Ori was very surprised, but Sein gave the... |
Solve the programming task below in a Python markdown code block.
It is the easy version of the problem. The difference is that in this version, there are no nodes with already chosen colors.
Theofanis is starving, and he wants to eat his favorite food, sheftalia. However, he should first finish his homework. Can you... |
Solve the programming task below in a Python markdown code block.
You are given a positive integer x. Find any such 2 positive integers a and b such that GCD(a,b)+LCM(a,b)=x.
As a reminder, GCD(a,b) is the greatest integer that divides both a and b. Similarly, LCM(a,b) is the smallest integer such that both a and b d... |
Solve the programming task below in a Python markdown code block.
What are you doing at the end of the world? Are you busy? Will you save us?
[Image]
Nephren is playing a game with little leprechauns.
She gives them an infinite array of strings, f_{0... ∞}.
f_0 is "What are you doing at the end of the world? Are... |
Solve the programming task below in a Python markdown code block.
Given a string that includes alphanumeric characters ('3a4B2d') return the expansion of that string: The numeric values represent the occurrence of each letter preceding that numeric value. There should be no numeric characters in the final string. Empt... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.