question large_stringlengths 265 13.2k |
|---|
Solve the programming task below in a Python markdown code block.
Check your arrows
You have a quiver of arrows, but some have been damaged. The quiver contains arrows with an optional range information (different types of targets are positioned at different ranges), so each item is an arrow.
You need to verify that ... |
Solve the programming task below in a Python markdown code block.
You are given an array $a_1, a_2, \dots , a_n$, which is sorted in non-decreasing order ($a_i \le a_{i + 1})$.
Find three indices $i$, $j$, $k$ such that $1 \le i < j < k \le n$ and it is impossible to construct a non-degenerate triangle (a triangle w... |
Solve the programming task below in a Python markdown code block.
This is the harder version of the problem. In this version, $1 \le n, m \le 2\cdot10^5$. You can hack this problem if you locked it. But you can hack the previous problem only if you locked both problems.
You are given a sequence of integers $a=[a_1,a_... |
Solve the programming task below in a Python markdown code block.
In this Kata, you will sort elements in an array by decreasing frequency of elements. If two elements have the same frequency, sort them by increasing value.
More examples in test cases.
Good luck!
Please also try [Simple time difference](https://... |
Solve the programming task below in a Python markdown code block.
The Bitlandians are quite weird people. They do everything differently. They have a different alphabet so they have a different definition for a string.
A Bitlandish string is a string made only of characters "0" and "1".
BitHaval (the mayor of Bitlan... |
Solve the programming task below in a Python markdown code block.
There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N.
On this sequence, Snuke can perform the following operation:
- Choose K consecutive elements in the sequence. Then, replace the value of eac... |
Solve the programming task below in a Python markdown code block.
The customer telephone support center of the computer sales company called JAG is now in- credibly confused. There are too many customers who request the support, and they call the support center all the time. So, the company wants to figure out how man... |
Solve the programming task below in a Python markdown code block.
Given a sorted array of numbers, return the summary of its ranges.
## Examples
```python
summary_ranges([1, 2, 3, 4]) == ["1->4"]
summary_ranges([1, 1, 1, 1, 1]) == ["1"]
summary_ranges([0, 1, 2, 5, 6, 9]) == ["0->2", "5->6", "9"]
summary_ranges([0, 1,... |
Solve the programming task below in a Python markdown code block.
A new dog show on TV is starting next week. On the show dogs are required to demonstrate bottomless stomach, strategic thinking and self-preservation instinct. You and your dog are invited to compete with other participants and naturally you want to win... |
Solve the programming task below in a Python markdown code block.
You are given two integers $n$ and $m$. You have to construct the array $a$ of length $n$ consisting of non-negative integers (i.e. integers greater than or equal to zero) such that the sum of elements of this array is exactly $m$ and the value $\sum\li... |
Solve the programming task below in a Python markdown code block.
The preferred way to generate user login in Polygon is to concatenate a prefix of the user's first name and a prefix of their last name, in that order. Each prefix must be non-empty, and any of the prefixes can be the full name. Typically there are mult... |
Solve the programming task below in a Python markdown code block.
# Feynman's squares
Richard Phillips Feynman was a well-known American physicist and a recipient of the Nobel Prize in Physics. He worked in theoretical physics and pioneered the field of quantum computing.
Recently, an old farmer found some papers and... |
Solve the programming task below in a Python markdown code block.
There are N cells arranged in a row, numbered 1, 2, \ldots, N from left to right.
Tak lives in these cells and is currently on Cell 1. He is trying to reach Cell N by using the procedure described below.
You are given an integer K that is less than or e... |
Solve the programming task below in a Python markdown code block.
You are given two integer sequences S and T of length N and M, respectively, both consisting of integers between 1 and 10^5 (inclusive).
In how many pairs of a subsequence of S and a subsequence of T do the two subsequences are the same in content?
Here... |
Solve the programming task below in a Python markdown code block.
An integer N is a multiple of 9 if and only if the sum of the digits in the decimal representation of N is a multiple of 9.
Determine whether N is a multiple of 9.
-----Constraints-----
- 0 \leq N < 10^{200000}
- N is an integer.
-----Input-----
Inp... |
Solve the programming task below in a Python markdown code block.
Genos recently installed the game Zuma on his phone. In Zuma there exists a line of n gemstones, the i-th of which has color c_{i}. The goal of the game is to destroy all the gemstones in the line as quickly as possible.
In one second, Genos is able to... |
Solve the programming task below in a Python markdown code block.
The spring is coming and it means that a lot of fruits appear on the counters. One sunny day little boy Valera decided to go shopping. He made a list of m fruits he wanted to buy. If Valera want to buy more than one fruit of some kind, he includes it in... |
Solve the programming task below in a Python markdown code block.
Bessie the cow and her best friend Elsie each received a sliding puzzle on Pi Day. Their puzzles consist of a 2 × 2 grid and three tiles labeled 'A', 'B', and 'C'. The three tiles sit on top of the grid, leaving one grid cell empty. To make a move, Bess... |
Solve the programming task below in a Python markdown code block.
Think of New York as a rectangular grid consisting of N vertical avenues numerated from 1 to N and M horizontal streets numerated 1 to M. C friends are staying at C hotels located at some street-avenue crossings. They are going to celebrate birthday of ... |
Solve the programming task below in a Python markdown code block.
In this Kata, you will be given a number and your task will be to return the nearest prime number.
```Haskell
solve(4) = 3. The nearest primes are 3 and 5. If difference is equal, pick the lower one.
solve(125) = 127
```
We'll be testing for numbers... |
Solve the programming task below in a Python markdown code block.
On some square in the lowest row of a chessboard a stands a pawn. It has only two variants of moving: upwards and leftwards or upwards and rightwards. The pawn can choose from which square of the lowest row it can start its journey. On each square lay f... |
Solve the programming task below in a Python markdown code block.
There are N rabbits, numbered 1 through N.
The i-th (1≤i≤N) rabbit likes rabbit a_i. Note that no rabbit can like itself, that is, a_i≠i.
For a pair of rabbits i and j (i＜j), we call the pair (i，j) a friendly pair if the following condition is met.
*... |
Solve the programming task below in a Python markdown code block.
Vova's family is building the Great Vova Wall (named by Vova himself). Vova's parents, grandparents, grand-grandparents contributed to it. Now it's totally up to Vova to put the finishing touches.
The current state of the wall can be respresented by a ... |
Solve the programming task below in a Python markdown code block.
A string is called diverse if it contains consecutive (adjacent) letters of the Latin alphabet and each letter occurs exactly once. For example, the following strings are diverse: "fced", "xyz", "r" and "dabcef". The following string are not diverse: "a... |
Solve the programming task below in a Python markdown code block.
There are n railway stations in Berland. They are connected to each other by n-1 railway sections. The railway network is connected, i.e. can be represented as an undirected tree.
You have a map of that network, so for each railway section you know whi... |
Solve the programming task below in a Python markdown code block.
Tranform of input array of zeros and ones to array in which counts number of continuous ones:
[1, 1, 1, 0, 1] -> [3,1]
Write your solution by modifying this code:
```python
def ones_counter(input):
```
Your solution should implemented in the funct... |
Solve the programming task below in a Python markdown code block.
Find the edit distance between given two words s1 and s2.
The disntace is the minimum number of single-character edits required to change one word into the other. The edits including the following operations:
* insertion: Insert a character at a parti... |
Solve the programming task below in a Python markdown code block.
# Task
Given a rectangular `matrix` and integers `a` and `b`, consider the union of the ath row and the bth (both 0-based) column of the `matrix`. Return sum of all elements of that union.
# Example
For
```
matrix = [[1, 1, 1, 1],
[2, 2, ... |
Solve the programming task below in a Python markdown code block.
Problem
There are $ 2 $ teams, Team UKU and Team Ushi. Initially, Team UKU has $ N $ people and Team Uku has $ M $ people. Team UKU and Team Ushi decided to play a game called "U & U". "U & U" has a common score for $ 2 $ teams, and the goal is to work... |
Solve the programming task below in a Python markdown code block.
Simply find the closest value to zero from the list. Notice that there are negatives in the list.
List is always not empty and contains only integers. Return ```None``` if it is not possible to define only one of such values. And of course, we are expe... |
Solve the programming task below in a Python markdown code block.
It is the hard version of the problem. The only difference is that in this version $1 \le n \le 300$.
In the cinema seats can be represented as the table with $n$ rows and $m$ columns. The rows are numbered with integers from $1$ to $n$. The seats in e... |
Solve the programming task below in a Python markdown code block.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of the correct r... |
Solve the programming task below in a Python markdown code block.
Vasya often uses public transport. The transport in the city is of two types: trolleys and buses. The city has n buses and m trolleys, the buses are numbered by integers from 1 to n, the trolleys are numbered by integers from 1 to m.
Public transport i... |
Solve the programming task below in a Python markdown code block.
Write a function that takes a number or a string and gives back the number of **permutations without repetitions** that can generated using all of its element.; more on permutations [here](https://en.wikipedia.org/wiki/Permutation).
For example, starti... |
Solve the programming task below in a Python markdown code block.
Two players, Red and Blue, are at it again, and this time they're playing with crayons! The mischievous duo is now vandalizing a rooted tree, by coloring the nodes while playing their favorite game.
The game works as follows: there is a tree of size n,... |
Solve the programming task below in a Python markdown code block.
A card pyramid of height $1$ is constructed by resting two cards against each other. For $h>1$, a card pyramid of height $h$ is constructed by placing a card pyramid of height $h-1$ onto a base. A base consists of $h$ pyramids of height $1$, and $h-1$ c... |
Solve the programming task below in a Python markdown code block.
William arrived at a conference dedicated to cryptocurrencies. Networking, meeting new people, and using friends' connections are essential to stay up to date with the latest news from the world of cryptocurrencies.
The conference has $n$ participants,... |
Solve the programming task below in a Python markdown code block.
We have N integers A_1, A_2, ..., A_N.
There are \frac{N(N-1)}{2} ways to choose two of them and form a pair. If we compute the product of each of those pairs and sort the results in ascending order, what will be the K-th number in that list?
-----Cons... |
Solve the programming task below in a Python markdown code block.
After a long journey, the super-space-time immigrant ship carrying you finally discovered a planet that seems to be habitable. The planet, named JOI, is a harsh planet with three types of terrain, "Jungle," "Ocean," and "Ice," as the name implies. A sim... |
Solve the programming task below in a Python markdown code block.
Joisino is working as a receptionist at a theater.
The theater has 100000 seats, numbered from 1 to 100000.
According to her memo, N groups of audiences have come so far, and the i-th group occupies the consecutive seats from Seat l_i to Seat r_i (inclu... |
Solve the programming task below in a Python markdown code block.
`late_clock` function receive an array with 4 digits and should return the latest time that can be built with those digits.
The time should be in `HH:MM` format.
Examples:
```
[1, 9, 8, 3] => 19:38
[9, 1, 2, 5] => 21:59
```
You can suppose the input i... |
Solve the programming task below in a Python markdown code block.
There is a beautiful garden of stones in Innopolis.
Its most beautiful place is the $n$ piles with stones numbered from $1$ to $n$.
EJOI participants have visited this place twice.
When they first visited it, the number of stones in piles was $x_1, ... |
Solve the programming task below in a Python markdown code block.
There are N stones arranged in a row. The i-th stone from the left is painted in the color C_i.
Snuke will perform the following operation zero or more times:
* Choose two stones painted in the same color. Repaint all the stones between them, with the... |
Solve the programming task below in a Python markdown code block.
Eugeny has array a = a_1, a_2, ..., a_{n}, consisting of n integers. Each integer a_{i} equals to -1, or to 1. Also, he has m queries: Query number i is given as a pair of integers l_{i}, r_{i} (1 ≤ l_{i} ≤ r_{i} ≤ n). The response to the query will b... |
Solve the programming task below in a Python markdown code block.
Read problems statements in Russian also.
Chef plays with the sequence of N numbers. During a single move Chef is able to choose a non-decreasing subsequence of the sequence and to remove it from the sequence. Help him to remove all the numbers in the ... |
Solve the programming task below in a Python markdown code block.
>When no more interesting kata can be resolved, I just choose to create the new kata, to solve their own, to enjoy the process --myjinxin2015 said
# Description:
Given a string `str` that contains some "(" or ")". Your task is to find the longest sub... |
Solve the programming task below in a Python markdown code block.
Your friend recently gave you some slimes for your birthday. You have n slimes all initially with value 1.
You are going to play a game with these slimes. Initially, you put a single slime by itself in a row. Then, you will add the other n - 1 slimes o... |
Solve the programming task below in a Python markdown code block.
The average miner Vaganych took refresher courses. As soon as a miner completes the courses, he should take exams. The hardest one is a computer test called "Testing Pants for Sadness".
The test consists of n questions; the questions are to be answered... |
Solve the programming task below in a Python markdown code block.
You are given $n$ strings $s_1, s_2, \ldots, s_n$ consisting of lowercase Latin letters.
In one operation you can remove a character from a string $s_i$ and insert it to an arbitrary position in a string $s_j$ ($j$ may be equal to $i$). You may perform... |
Solve the programming task below in a Python markdown code block.
Naman has two binary strings $s$ and $t$ of length $n$ (a binary string is a string which only consists of the characters "0" and "1"). He wants to convert $s$ into $t$ using the following operation as few times as possible.
In one operation, he can ch... |
Solve the programming task below in a Python markdown code block.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, but in this ... |
Solve the programming task below in a Python markdown code block.
Two friends are on the coordinate axis Ox in points with integer coordinates. One of them is in the point x_1 = a, another one is in the point x_2 = b.
Each of the friends can move by one along the line in any direction unlimited number of times. When... |
Solve the programming task below in a Python markdown code block.
Given are integer sequence of length N, A = (A_1, A_2, \cdots, A_N), and an integer K.
For each X such that 1 \le X \le K, find the following value:
\left(\displaystyle \sum_{L=1}^{N-1} \sum_{R=L+1}^{N} (A_L+A_R)^X\right) \bmod 998244353
-----Constrain... |
Solve the programming task below in a Python markdown code block.
The problem statement looms below, filling you with determination.
Consider a grid in which some cells are empty and some cells are filled. Call a cell in this grid exitable if, starting at that cell, you can exit the grid by moving up and left through... |
Solve the programming task below in a Python markdown code block.
There are $n$ beautiful skyscrapers in New York, the height of the $i$-th one is $h_i$. Today some villains have set on fire first $n - 1$ of them, and now the only safety building is $n$-th skyscraper.
Let's call a jump from $i$-th skyscraper to $j$-t... |
Solve the programming task below in a Python markdown code block.
Once a Mathematician was trapped by military people during a world war with his forty colleagues. The colleagues were without any weapons, only the mathematician had a knife. And with no weapons they were not able to fight with the military, so they dec... |
Solve the programming task below in a Python markdown code block.
Mishka is a little polar bear. As known, little bears loves spending their free time playing dice for chocolates. Once in a wonderful sunny morning, walking around blocks of ice, Mishka met her friend Chris, and they started playing the game.
Rules of ... |
Solve the programming task below in a Python markdown code block.
Kuro has just learned about permutations and he is really excited to create a new permutation type. He has chosen $n$ distinct positive integers and put all of them in a set $S$. Now he defines a magical permutation to be: A permutation of integers from... |
Solve the programming task below in a Python markdown code block.
The Kingdom of Kremland is a tree (a connected undirected graph without cycles) consisting of $n$ vertices. Each vertex $i$ has its own value $a_i$. All vertices are connected in series by edges. Formally, for every $1 \leq i < n$ there is an edge betwe... |
Solve the programming task below in a Python markdown code block.
In 40XX, the Earth was invaded by aliens! Already most of the Earth has been dominated by aliens, leaving Tsuruga Castle Fortress as the only remaining defense base. Suppression units are approaching the Tsuruga Castle Fortress one after another.
<imag... |
Solve the programming task below in a Python markdown code block.
Write a function to split a string and convert it into an array of words. For example:
```python
"Robin Singh" ==> ["Robin", "Singh"]
"I love arrays they are my favorite" ==> ["I", "love", "arrays", "they", "are", "my", "favorite"]
```
Write your sol... |
Solve the programming task below in a Python markdown code block.
Polycarp is sad — New Year is coming in few days but there is still no snow in his city. To bring himself New Year mood, he decided to decorate his house with some garlands.
The local store introduced a new service this year, called "Build your own gar... |
Solve the programming task below in a Python markdown code block.
There are n points on a straight line, and the i-th point among them is located at x_{i}. All these coordinates are distinct.
Determine the number m — the smallest number of points you should add on the line to make the distances between all neighborin... |
Solve the programming task below in a Python markdown code block.
Your task is to return the number of visible dots on a die after it has been rolled(that means the total count of dots that would not be touching the table when rolled)
6, 8, 10, 12, 20 sided dice are the possible inputs for "numOfSides"
topNum is eq... |
Solve the programming task below in a Python markdown code block.
There are n Imperial stormtroopers on the field. The battle field is a plane with Cartesian coordinate system. Each stormtrooper is associated with his coordinates (x, y) on this plane.
Han Solo has the newest duplex lazer gun to fight these stormtroo... |
Solve the programming task below in a Python markdown code block.
Hanh lives in a shared apartment. There are $n$ people (including Hanh) living there, each has a private fridge.
$n$ fridges are secured by several steel chains. Each steel chain connects two different fridges and is protected by a digital lock. The o... |
Solve the programming task below in a Python markdown code block.
For a dictionary $M$ that stores elements formed by a pair of a string key and an integer value, perform a sequence of the following operations. Note that each key in $M$ must be unique.
* insert($key$, $x$): Insert an element formed by a pair of $key$... |
Solve the programming task below in a Python markdown code block.
It's a beautiful April day and Wallace is playing football with his friends. But his friends do not know that Wallace actually stayed home with Gromit and sent them his robotic self instead. Robo-Wallace has several advantages over the other guys. For e... |
Solve the programming task below in a Python markdown code block.
While Farmer John rebuilds his farm in an unfamiliar portion of Bovinia, Bessie is out trying some alternative jobs. In her new gig as a reporter, Bessie needs to know about programming competition results as quickly as possible. When she covers the 201... |
Solve the programming task below in a Python markdown code block.
It is September 9 in Japan now.
You are given a two-digit integer N. Answer the question: Is 9 contained in the decimal notation of N?
-----Constraints-----
- 10≤N≤99
-----Input-----
Input is given from Standard Input in the following format:
N
----... |
Solve the programming task below in a Python markdown code block.
Harry Potter has a difficult homework. Given a rectangular table, consisting of n × m cells. Each cell of the table contains the integer. Harry knows how to use two spells: the first spell change the sign of the integers in the selected row, the second ... |
Solve the programming task below in a Python markdown code block.
You are given two binary strings $a$ and $b$ of the same length. You can perform the following two operations on the string $a$:
Swap any two bits at indices $i$ and $j$ respectively ($1 \le i, j \le n$), the cost of this operation is $|i - j|$, that... |
Solve the programming task below in a Python markdown code block.
You are given two positive integers $n$ and $k$. Print the $k$-th positive integer that is not divisible by $n$.
For example, if $n=3$, and $k=7$, then all numbers that are not divisible by $3$ are: $1, 2, 4, 5, 7, 8, 10, 11, 13 \dots$. The $7$-th numb... |
Solve the programming task below in a Python markdown code block.
Santosh has a farm at Byteland. He has a very big family to look after. His life takes a sudden turn and he runs into a financial crisis. After giving all the money he has in his hand, he decides to sell his plots. The speciality of his land is that it... |
Solve the programming task below in a Python markdown code block.
Alperen has two strings, $s$ and $t$ which are both initially equal to "a".
He will perform $q$ operations of two types on the given strings:
$1 \;\; k \;\; x$ — Append the string $x$ exactly $k$ times at the end of string $s$. In other words, $s := s... |
Solve the programming task below in a Python markdown code block.
You are given two arrays A and B consisting of integers, sorted in non-decreasing order. Check whether it is possible to choose k numbers in array A and choose m numbers in array B so that any number chosen in the first array is strictly less than any n... |
Solve the programming task below in a Python markdown code block.
The determinant of a matrix 2 × 2 is defined as follows:$\operatorname{det} \left(\begin{array}{ll}{a} & {b} \\{c} & {d} \end{array} \right) = a d - b c$
A matrix is called degenerate if its determinant is equal to zero.
The norm ||A|| of a matrix A ... |
Solve the programming task below in a Python markdown code block.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of n non-negative integers.
If there are ... |
Solve the programming task below in a Python markdown code block.
There are N squares aligned in a row. The i-th square from the left contains an integer a_i.
Initially, all the squares are white. Snuke will perform the following operation some number of times:
* Select K consecutive squares. Then, paint all of them... |
Solve the programming task below in a Python markdown code block.
Long ago, when Petya was a schoolboy, he was very much interested in the Petr# language grammar. During one lesson Petya got interested in the following question: how many different continuous substrings starting with the sbegin and ending with the send... |
Solve the programming task below in a Python markdown code block.
Example
Input
4
5
8
58
85
Output
2970.000000000
Read the inputs from stdin solve the problem and write the answer to stdout (do not directly test on the sample inputs). Enclose your code within ```python delimiters. |
Solve the programming task below in a Python markdown code block.
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 about. It's a plum tree planted in the garden. I was looking forward to this plum blooming every year. After leaving he... |
Solve the programming task below in a Python markdown code block.
One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound file as an array of $n$ non-negative integers.
If there ar... |
Solve the programming task below in a Python markdown code block.
Limak is an old brown bear. He often plays poker with his friends. Today they went to a casino. There are n players (including Limak himself) and right now all of them have bids on the table. i-th of them has bid with size ai dollars.
Each player can d... |
Solve the programming task below in a Python markdown code block.
Let's call a string adorable if its letters can be realigned in such a way that they form two consequent groups of equal symbols (note that different groups must contain different symbols). For example, ababa is adorable (you can transform it to aaabb, ... |
Solve the programming task below in a Python markdown code block.
Some large corporation where Polycarpus works has its own short message service center (SMSC). The center's task is to send all sorts of crucial information. Polycarpus decided to check the efficiency of the SMSC.
For that, he asked to give him the st... |
Solve the programming task below in a Python markdown code block.
In the game of Mastermind, there are two players — Alice and Bob. Alice has a secret code, which Bob tries to guess. Here, a code is defined as a sequence of n colors. There are exactly n+1 colors in the entire universe, numbered from 1 to n+1 inclusive... |
Solve the programming task below in a Python markdown code block.
*Shamelessly stolen from Here :)*
Your server has sixteen memory banks; each memory bank can hold any number of blocks. You must write a routine to balance the blocks between the memory banks.
The reallocation routine operates in cycles. In each cycle... |
Solve the programming task below in a Python markdown code block.
The Berland University is preparing to celebrate the 256-th anniversary of its founding! A specially appointed Vice Rector for the celebration prepares to decorate the campus. In the center of the campus n ice sculptures were erected. The sculptures are... |
Solve the programming task below in a Python markdown code block.
Takahashi is drawing a segment on grid paper.
From a certain square, a square that is x squares to the right and y squares above, is denoted as square (x, y).
When Takahashi draws a segment connecting the lower left corner of square (A, B) and the low... |
Solve the programming task below in a Python markdown code block.
In genetics a reading frame is a way to divide a sequence of nucleotides (DNA bases) into a set of consecutive non-overlapping triplets (also called codon). Each of this triplets is translated into an amino-acid during a translation process to create pr... |
Solve the programming task below in a Python markdown code block.
Petya loves lucky numbers. Everybody knows that lucky numbers are positive integers whose decimal representation contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
One day Petya was delivered a str... |
Solve the programming task below in a Python markdown code block.
You are given two positive integers d and s. Find minimal positive integer n which is divisible by d and has sum of digits equal to s.
Input
The first line contains two positive integers d and s (1 ≤ d ≤ 500, 1 ≤ s ≤ 5000) separated by space.
Output
... |
Solve the programming task below in a Python markdown code block.
Inaka has a disc, the circumference of which is $n$ units. The circumference is equally divided by $n$ points numbered clockwise from $1$ to $n$, such that points $i$ and $i + 1$ ($1 \leq i < n$) are adjacent, and so are points $n$ and $1$.
There are $... |
Solve the programming task below in a Python markdown code block.
A histogram is made of a number of contiguous bars, which have same width.
For a given histogram with $N$ bars which have a width of 1 and a height of $h_i$ = $h_1, h_2, ... , h_N$ respectively, find the area of the largest rectangular area.
Constrain... |
Solve the programming task below in a Python markdown code block.
# Introduction
Digital Cypher assigns a unique number to each letter of the alphabet:
```
a b c d e f g h i j k l m n o p q r s t u v w x y z
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
```
... |
Solve the programming task below in a Python markdown code block.
Given an array $A_1, A_2, ..., A_N$, count the number of subarrays of array $A$ which are non-decreasing.
A subarray $A[i, j]$, where $1 ≤ i ≤ j ≤ N$ is a sequence of integers $A_i, A_i+1, ..., A_j$.
A subarray $A[i, j]$ is non-decreasing if $A_i ≤ A_i... |
Solve the programming task below in a Python markdown code block.
Monocarp is playing a game "Assimilation IV". In this game he manages a great empire: builds cities and conquers new lands.
Monocarp's empire has $n$ cities. In order to conquer new lands he plans to build one Monument in each city. The game is turn-ba... |
Solve the programming task below in a Python markdown code block.
You are given a tree with n nodes. You have to write non-negative integers on its edges so that the following condition would be satisfied:
For every two nodes i, j, look at the path between them and count the sum of numbers on the edges of this path. ... |
Solve the programming task below in a Python markdown code block.
You are given two set of points. The first set is determined by the equation A1x + B1y + C1 = 0, and the second one is determined by the equation A2x + B2y + C2 = 0.
Write the program which finds the number of points in the intersection of two given se... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.