question large_stringlengths 265 13.2k |
|---|
Solve the programming task below in a Python markdown code block.
Let n be a positive integer. Let a, b, c be nonnegative integers such that a + b + c = n.
Alice and Bob are gonna play rock-paper-scissors n times. Alice knows the sequences of hands that Bob will play. However, Alice has to play rock a times, paper b ... |
Solve the programming task below in a Python markdown code block.
The well-known Fibonacci sequence F_0, F_1, F_2,β¦ is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i β₯ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, a + 2β
d,β¦, ... |
Solve the programming task below in a Python markdown code block.
This problem is different with hard version only by constraints on total answers length
It is an interactive problem
Venya joined a tour to the madhouse, in which orderlies play with patients the following game. Orderlies pick a string s of length n, ... |
Solve the programming task below in a Python markdown code block.
INTERCAL is the oldest of esoteric programming languages. One of its many weird features is the method of character-based output, known as Turing Tape method. It converts an array of unsigned 8-bit integers into a sequence of characters to print, using ... |
Solve the programming task below in a Python markdown code block.
Little Petya very much likes rectangles and especially squares. Recently he has received 8 points on the plane as a gift from his mother. The points are pairwise distinct. Petya decided to split them into two sets each containing 4 points so that the po... |
Solve the programming task below in a Python markdown code block.
Omkar is playing his favorite pixelated video game, Bed Wars! In Bed Wars, there are n players arranged in a circle, so that for all j such that 2 β€ j β€ n, player j - 1 is to the left of the player j, and player j is to the right of player j - 1. Additi... |
Solve the programming task below in a Python markdown code block.
One day, n people (n is an even number) met on a plaza and made two round dances, each round dance consists of exactly n/2 people. Your task is to find the number of ways n people can make two round dances if each round dance consists of exactly n/2 peo... |
Solve the programming task below in a Python markdown code block.
This is the easy version of the problem. The difference between the versions is the constraints on a_i. You can make hacks only if all versions of the problem are solved.
Little Dormi has recently received a puzzle from his friend and needs your help t... |
Solve the programming task below in a Python markdown code block.
Let's consider one interesting word game. In this game you should transform one word into another through special operations.
Let's say we have word w, let's split this word into two non-empty parts x and y so, that w = xy. A split operation is transf... |
Solve the programming task below in a Python markdown code block.
The Little Elephant loves Ukraine very much. Most of all he loves town Rozdol (ukr. "Rozdil").
However, Rozdil is dangerous to settle, so the Little Elephant wants to go to some other town. The Little Elephant doesn't like to spend much time on travell... |
Solve the programming task below in a Python markdown code block.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digits is a good ... |
Solve the programming task below in a Python markdown code block.
Igor has fallen in love with Tanya. Now Igor wants to show his feelings and write a number on the fence opposite to Tanya's house. Igor thinks that the larger the number is, the more chance to win Tanya's heart he has.
Unfortunately, Igor could only g... |
Solve the programming task below in a Python markdown code block.
A festival will be held in a town's main street. There are n sections in the main street. The sections are numbered 1 through n from left to right. The distance between each adjacent sections is 1.
In the festival m fireworks will be launched. The i-th... |
Solve the programming task below in a Python markdown code block.
The finalists of the "Russian Code Cup" competition in 2214 will be the participants who win in one of the elimination rounds.
The elimination rounds are divided into main and additional. Each of the main elimination rounds consists of c problems, the ... |
Solve the programming task below in a Python markdown code block.
Andrey needs one more problem to conduct a programming contest. He has n friends who are always willing to help. He can ask some of them to come up with a contest problem. Andrey knows one value for each of his fiends β the probability that this friend ... |
Solve the programming task below in a Python markdown code block.
Tomash keeps wandering off and getting lost while he is walking along the streets of Berland. It's no surprise! In his home town, for any pair of intersections there is exactly one way to walk from one intersection to the other one. The capital of Berla... |
Solve the programming task below in a Python markdown code block.
Igor has been into chess for a long time and now he is sick of the game by the ordinary rules. He is going to think of new rules of the game and become world famous.
Igor's chessboard is a square of size n Γ n cells. Igor decided that simple rules guar... |
Solve the programming task below in a Python markdown code block.
The Cereal Guy's friend Serial Guy likes to watch soap operas. An episode is about to start, and he hasn't washed his plate yet. But he decided to at least put in under the tap to be filled with water. The plate can be represented by a parallelepiped k ... |
Solve the programming task below in a Python markdown code block.
Because of budget cuts one IT company established new non-financial reward system instead of bonuses.
Two kinds of actions are rewarded: fixing critical bugs and suggesting new interesting features. A man who fixed a critical bug gets "I fixed a critic... |
Solve the programming task below in a Python markdown code block.
Limak is a little polar bear. He doesn't have many toys and thus he often plays with polynomials.
He considers a polynomial valid if its degree is n and its coefficients are integers not exceeding k by the absolute value. More formally:
Let a0, a1, ..... |
Solve the programming task below in a Python markdown code block.
Codeforces user' handle color depends on his rating β it is red if his rating is greater or equal to 2400; it is orange if his rating is less than 2400 but greater or equal to 2200, etc. Each time participant takes part in a rated contest, his rating is... |
Solve the programming task below in a Python markdown code block.
A rare article in the Internet is posted without a possibility to comment it. On a Polycarp's website each article has comments feed.
Each comment on Polycarp's website is a non-empty string consisting of uppercase and lowercase letters of English alph... |
Solve the programming task below in a Python markdown code block.
Anton has the integer x. He is interested what positive integer, which doesn't exceed x, has the maximum sum of digits.
Your task is to help Anton and to find the integer that interests him. If there are several such integers, determine the biggest of ... |
Solve the programming task below in a Python markdown code block.
There are two main kinds of events in the life of top-model: fashion shows and photo shoots. Participating in any of these events affects the rating of appropriate top-model. After each photo shoot model's rating increases by a and after each fashion sh... |
Solve the programming task below in a Python markdown code block.
Vasya writes his own library for building graphical user interface. Vasya called his creation VTK (VasyaToolKit). One of the interesting aspects of this library is that widgets are packed in each other.
A widget is some element of graphical interface.... |
Solve the programming task below in a Python markdown code block.
You are given a string A. Find a string B, where B is a palindrome and A is a subsequence of B.
A subsequence of a string is a string that can be derived from it by deleting some (not necessarily consecutive) characters without changing the order of th... |
Solve the programming task below in a Python markdown code block.
Mahmoud wants to send a message to his friend Ehab. Their language consists of n words numbered from 1 to n. Some words have the same meaning so there are k groups of words such that all the words in some group have the same meaning.
Mahmoud knows that... |
Solve the programming task below in a Python markdown code block.
On the divine friendship day, "A" tied "B" a friendship band. But alas! Frequent quarrels started between them and "B" decided to remove and break off the band! The band isnt a huge one and consists of red, blue and white beads in random positioning. He... |
Solve the programming task below in a Python markdown code block.
Little Pandey is someone who is lazy, and when he's around his best friend GJ, he becomes super lazy. Pandey thinks that he is a Math-wizard, so he picks up a number S and asks GJ to throw him a challenge around that number.
GJ explains Little Pandey... |
Solve the programming task below in a Python markdown code block.
Given is a three-digit integer N. Does N contain the digit 7?
If so, print `Yes`; otherwise, print `No`.
Constraints
* 100 \leq N \leq 999
Input
Input is given from Standard Input in the following format:
N
Output
If N contains the digit 7, pr... |
Solve the programming task below in a Python markdown code block.
You are given integers A and B, each between 1 and 3 (inclusive).
Determine if there is an integer C between 1 and 3 (inclusive) such that A \times B \times C is an odd number.
Constraints
* All values in input are integers.
* 1 \leq A, B \leq 3
Inp... |
Solve the programming task below in a Python markdown code block.
Find the number of palindromic numbers among the integers between A and B (inclusive). Here, a palindromic number is a positive integer whose string representation in base 10 (without leading zeros) reads the same forward and backward.
Constraints
* 1... |
Solve the programming task below in a Python markdown code block.
We have N points in a two-dimensional plane.
The coordinates of the i-th point (1 \leq i \leq N) are (x_i,y_i).
Let us consider a rectangle whose sides are parallel to the coordinate axes that contains K or more of the N points in its interior.
Here, po... |
Solve the programming task below in a Python markdown code block.
In a public bath, there is a shower which emits water for T seconds when the switch is pushed.
If the switch is pushed when the shower is already emitting water, from that moment it will be emitting water for T seconds. Note that it does not mean that ... |
Solve the programming task below in a Python markdown code block.
Takahashi recorded his daily life for the last few days as a integer sequence of length 2N, as follows:
* a_1, b_1, a_2, b_2, ... , a_N, b_N
This means that, starting from a certain time T, he was:
* sleeping for exactly a_1 seconds
* then awake fo... |
Solve the programming task below in a Python markdown code block.
There is a data which provides heights (in meter) of mountains. The data is only for ten mountains.
Write a program which prints heights of the top three mountains in descending order.
Constraints
0 β€ height of mountain (integer) β€ 10,000
Input
He... |
Solve the programming task below in a Python markdown code block.
Create a program that rotates the pattern of 8 characters x 8 lines clockwise by 90 degrees, 180 degrees, and 270 degrees and outputs it.
Input
A pattern consisting of 8 characters x 8 lines is given. Characters consist of alphanumeric characters, h... |
Solve the programming task below in a Python markdown code block.
You have obtained the Izua Japanese dictionary, which is the official language of Izua, and the Izua alphabet (list of letters). There are N types of letters in the Izua alphabet. The order of the words that appear in the Izua Japanese dictionary is in ... |
Solve the programming task below in a Python markdown code block.
problem
In one river, there is a slightly dangerous game of jumping from one shore to the other on a stone.
<image>
Now, as shown in Figure 4-1 we consider the stone to be above the squares. The number of rows is n. In Figure 4-1 we have n = 5.
In... |
Solve the programming task below in a Python markdown code block.
The best night ever in the world has come! It's 8 p.m. of December 24th, yes, the night of Cristmas Eve. Santa Clause comes to a silent city with ringing bells. Overtaking north wind, from a sleigh a reindeer pulls she shoot presents to soxes hanged nea... |
Solve the programming task below in a Python markdown code block.
Rational numbers are numbers represented by ratios of two integers. For a prime number p, one of the elementary theorems in the number theory is that there is no rational number equal to βp. Such numbers are called irrational numbers. It is also known t... |
Solve the programming task below in a Python markdown code block.
You have successfully completed your studies and are preparing to move from near Komaba to near Hongo. As I was organizing my house, I found a lot of lottery tickets I bought last year. After confirming the exchange deadline, I have to cash in by tomorr... |
Solve the programming task below in a Python markdown code block.
Example
Input
4
5
8
58
85
Output
2970.000000000
The input will be give
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.
Airport Codes
Airport code
In the Kingdom of JAG, airport codes are assigned to each domestic airport for identification.
Airport codes are assigned according to the following rules based on the name of the airport in lowercase English alphabet:
1. ... |
Solve the programming task below in a Python markdown code block.
A: A-Z-
problem
There is a circular board of 26 squares, each square with one capital letter of the alphabet written clockwise in alphabetical order. That is, the clockwise side of the'A'square is the'B' square, the next side of the'B'square is the'C'... |
Solve the programming task below in a Python markdown code block.
Diameter of a Tree
Given a tree T with non-negative weight, find the diameter of the tree.
The diameter of a tree is the maximum distance between two nodes in a tree.
Constraints
* 1 β€ n β€ 100,000
* 0 β€ wi β€ 1,000
Input
n
s1 t1 w1
s2 t2 w2
:
s... |
Solve the programming task below in a Python markdown code block.
Chef, Artem and Eugene are the best of friends and teammates. Recently, they won a lot of money at the Are You Feeling Lucky Cup. Having put their fortune to test and emerging victorious, they are now busy enjoying their wealth. Eugene wanted to drink i... |
Solve the programming task below in a Python markdown code block.
Astronaut Natasha arrived on Mars. She knows that the Martians are very poor aliens. To ensure a better life for the Mars citizens, their emperor decided to take tax from every tourist who visited the planet. Natasha is the inhabitant of Earth, therefor... |
Solve the programming task below in a Python markdown code block.
Consider some positive integer x. Its prime factorization will be of form x = 2^{k_1} β
3^{k_2} β
5^{k_3} β
...
Let's call x elegant if the greatest common divisor of the sequence k_1, k_2, ... is equal to 1. For example, numbers 5 = 5^1, 12 = 2^2 β
3,... |
Solve the programming task below in a Python markdown code block.
You are given a rooted tree on n vertices, its root is the vertex number 1. The i-th vertex contains a number w_i. Split it into the minimum possible number of vertical paths in such a way that each path contains no more than L vertices and the sum of i... |
Solve the programming task below in a Python markdown code block.
Chouti was doing a competitive programming competition. However, after having all the problems accepted, he got bored and decided to invent some small games.
He came up with the following game. The player has a positive integer n. Initially the value o... |
Solve the programming task below in a Python markdown code block.
This morning, Roman woke up and opened the browser with n opened tabs numbered from 1 to n. There are two kinds of tabs: those with the information required for the test and those with social network sites. Roman decided that there are too many tabs ope... |
Solve the programming task below in a Python markdown code block.
You have a garden consisting entirely of grass and weeds. Your garden is described by an n Γ m grid, with rows numbered 1 to n from top to bottom, and columns 1 to m from left to right. Each cell is identified by a pair (r, c) which means that the cell ... |
Solve the programming task below in a Python markdown code block.
Let's call beauty of an array b_1, b_2, β¦, b_n (n > 1) β min_{1 β€ i < j β€ n} |b_i - b_j|.
You're given an array a_1, a_2, β¦ a_n and a number k. Calculate the sum of beauty over all subsequences of the array of length exactly k. As this number can be ve... |
Solve the programming task below in a Python markdown code block.
You are given a sequence of n pairs of integers: (a_1, b_1), (a_2, b_2), ... , (a_n, b_n). This sequence is called bad if it is sorted in non-descending order by first elements or if it is sorted in non-descending order by second elements. Otherwise the... |
Solve the programming task below in a Python markdown code block.
Petr stands in line of n people, but he doesn't know exactly which position he occupies. He can say that there are no less than a people standing in front of him and no more than b people standing behind him. Find the number of different positions Petr ... |
Solve the programming task below in a Python markdown code block.
Polycarp has spent the entire day preparing problems for you. Now he has to sleep for at least a minutes to feel refreshed.
Polycarp can only wake up by hearing the sound of his alarm. So he has just fallen asleep and his first alarm goes off in b minu... |
Solve the programming task below in a Python markdown code block.
The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the government ignor... |
Solve the programming task below in a Python markdown code block.
"You must lift the dam. With a lever. I will give it to you.
You must block the canal. With a rock. I will not give the rock to you."
Danik urgently needs rock and lever! Obviously, the easiest way to get these things is to ask Hermit Lizard for them... |
Solve the programming task below in a Python markdown code block.
This is the easy version of the problem. The difference between the versions is in the number of possible operations that can be made. You can make hacks if and only if you solved both versions of the problem.
You are given a binary table of size n Γ m... |
Solve the programming task below in a Python markdown code block.
Polycarp calls an array dense if the greater of any two adjacent elements is not more than twice bigger than the smaller. More formally, for any i (1 β€ i β€ n-1), this condition must be satisfied: $$$(max(a[i], a[i+1]))/(min(a[i], a[i+1])) β€ 2$$$
For ex... |
Solve the programming task below in a Python markdown code block.
You are given a number n and an array b_1, b_2, β¦, b_{n+2}, obtained according to the following algorithm:
* some array a_1, a_2, β¦, a_n was guessed;
* array a was written to array b, i.e. b_i = a_i (1 β€ i β€ n);
* The (n+1)-th element of the a... |
Solve the programming task below in a Python markdown code block.
Vasya, like many others, likes to participate in a variety of sweepstakes and lotteries. Now he collects wrappings from a famous chocolate bar "Jupiter". According to the sweepstake rules, each wrapping has an integer written on it β the number of point... |
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 β to check his answers, he ... |
Solve the programming task below in a Python markdown code block.
Bessie and the cows are playing with sequences and need your help. They start with a sequence, initially containing just the number 0, and perform n operations. Each operation is one of the following:
1. Add the integer xi to the first ai elements of... |
Solve the programming task below in a Python markdown code block.
Yet another Armageddon is coming! This time the culprit is the Julya tribe calendar.
The beavers in this tribe knew math very well. Smart Beaver, an archaeologist, got a sacred plate with a magic integer on it. The translation from Old Beaverish is as... |
Solve the programming task below in a Python markdown code block.
There are n schoolchildren, boys and girls, lined up in the school canteen in front of the bun stall. The buns aren't ready yet and the line is undergoing some changes.
Each second all boys that stand right in front of girls, simultaneously swap places... |
Solve the programming task below in a Python markdown code block.
Petya works as a PR manager for a successful Berland company BerSoft. He needs to prepare a presentation on the company income growth since 2001 (the year of its founding) till now. Petya knows that in 2001 the company income amounted to a1 billion bour... |
Solve the programming task below in a Python markdown code block.
People in the Tomskaya region like magic formulas very much. You can see some of them below.
Imagine you are given a sequence of positive integer numbers p1, p2, ..., pn. Lets write down some magic formulas:
<image><image>
Here, "mod" means the opera... |
Solve the programming task below in a Python markdown code block.
Vasya follows a basketball game and marks the distances from which each team makes a throw. He knows that each successful throw has value of either 2 or 3 points. A throw is worth 2 points if the distance it was made from doesn't exceed some value of d ... |
Solve the programming task below in a Python markdown code block.
Little Tanya decided to present her dad a postcard on his Birthday. She has already created a message β string s of length n, consisting of uppercase and lowercase English letters. Tanya can't write yet, so she found a newspaper and decided to cut out t... |
Solve the programming task below in a Python markdown code block.
A map of some object is a rectangular field consisting of n rows and n columns. Each cell is initially occupied by the sea but you can cover some some cells of the map with sand so that exactly k islands appear on the map. We will call a set of sand cel... |
Solve the programming task below in a Python markdown code block.
Stepan had a favorite string s which consisted of the lowercase letters of the Latin alphabet.
After graduation, he decided to remember it, but it was a long time ago, so he can't now remember it. But Stepan remembers some information about the string... |
Solve the programming task below in a Python markdown code block.
After the educational reform Polycarp studies only two subjects at school, Safety Studies and PE (Physical Education). During the long months of the fourth term, he received n marks in them. When teachers wrote a mark in the journal, they didn't write i... |
Solve the programming task below in a Python markdown code block.
As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane.
You prefer flying from Seattle to San Francisco than in the other direction, becau... |
Solve the programming task below in a Python markdown code block.
The Travelling Salesman spends a lot of time travelling so he tends to get bored. To pass time, he likes to perform operations on numbers. One such operation is to take a positive integer x and reduce it to the number of bits set to 1 in the binary repr... |
Solve the programming task below in a Python markdown code block.
The recent All-Berland Olympiad in Informatics featured n participants with each scoring a certain amount of points.
As the head of the programming committee, you are to determine the set of participants to be awarded with diplomas with respect to the ... |
Solve the programming task below in a Python markdown code block.
You are given a positive integer n, written without leading zeroes (for example, the number 04 is incorrect).
In one operation you can delete any digit of the given integer so that the result remains a positive integer without leading zeros.
Determin... |
Solve the programming task below in a Python markdown code block.
Aniruddha loves to code on HackerEarth. There are some type of problems which he likes the most.
Problems are tagged with non empty strings containing only 'H' or 'E' or both. But he likes the problems tagged with strings containing no consecutive E's. ... |
Solve the programming task below in a Python markdown code block.
Monk visits a magical place, Makizam. He is greeted by his old friend, Wiz. Wiz happy to see his old friend, gives him a puzzle.
He takes him to a room with N keys placed on the floor, the i'th key is of type Xi. The keys are followed by M chests of tr... |
Solve the programming task below in a Python markdown code block.
Given a set S. Generate T, a set that contains all subsets of S minus the null set and calculate A, XOR sum of the set T.
S={1,2,3}
T={{1},{2},{3},{1,2},{1,3},{2,3} ,{1,2,3}}
A=XORiana of T .
XORiana of a set is defined as XOR of all the elements it ... |
Solve the programming task below in a Python markdown code block.
Today, Vasya has decided to study about Numbers and Number Theory. One of her good friends Kolya is very good at the subject. To help her, he kept the following task in front of Vasya:
Given an array A of size N, Vasya needs to find the size of the La... |
Solve the programming task below in a Python markdown code block.
We have N squares assigned the numbers 1,2,3,\ldots,N. Each square has an integer written on it, and the integer written on Square i is a_i.
How many squares i satisfy both of the following conditions?
* The assigned number, i, is odd.
* The written i... |
Solve the programming task below in a Python markdown code block.
Given is a positive integer N. Find the number of permutations (P_1,P_2,\cdots,P_{3N}) of (1,2,\cdots,3N) that can be generated through the procedure below. This number can be enormous, so print it modulo a prime number M.
* Make N sequences A_1,A_2,\c... |
Solve the programming task below in a Python markdown code block.
Given is a string S of length N-1. Each character in S is `<` or `>`.
A sequence of N non-negative integers, a_1,a_2,\cdots,a_N, is said to be good when the following condition is satisfied for all i (1 \leq i \leq N-1):
* If S_i= `<`: a_i<a_{i+1}
* I... |
Solve the programming task below in a Python markdown code block.
In a flower bed, there are N flowers, numbered 1,2,......,N. Initially, the heights of all flowers are 0. You are given a sequence h=\\{h_1,h_2,h_3,......\\} as input. You would like to change the height of Flower k to h_k for all k (1 \leq k \leq N), b... |
Solve the programming task below in a Python markdown code block.
The ABC number of a string T is the number of triples of integers (i, j, k) that satisfy all of the following conditions:
* 1 β€ i < j < k β€ |T| (|T| is the length of T.)
* T_i = `A` (T_i is the i-th character of T from the beginning.)
* T_j = `B`
* T_k... |
Solve the programming task below in a Python markdown code block.
You are playing the following game with Joisino.
* Initially, you have a blank sheet of paper.
* Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process is... |
Solve the programming task below in a Python markdown code block.
We have a grid of H rows and W columns. Initially, there is a stone in the top left cell. Shik is trying to move the stone to the bottom right cell. In each step, he can move the stone one cell to its left, up, right, or down (if such cell exists). It i... |
Solve the programming task below in a Python markdown code block.
Your task is to write a program which reads a text and prints two words. The first one is the word which is arise most frequently in the text. The second one is the word which has the maximum number of letters.
The text includes only alphabetical chara... |
Solve the programming task below in a Python markdown code block.
The courier charges for a courier company are set according to size and weight as shown in the table below.
A size | B size | C size | D size | E size | F size
--- | --- | --- | --- | --- | --- | ---
Size | 60 cm or less | 80 cm or less | 100 cm or les... |
Solve the programming task below in a Python markdown code block.
Do you know Just Odd Inventions? The business of this company is to "just odd inventions". Here, it is abbreviated as JOI.
JOI is conducting research to confine many microorganisms in one petri dish alive. There are N microorganisms to be investigated,... |
Solve the programming task below in a Python markdown code block.
You have just been put in charge of developing a new shredder for the Shredding Company. Although a ``normal'' shredder would just shred sheets of paper into little pieces so that the contents would become unreadable, this new shredder needs to have the... |
Solve the programming task below in a Python markdown code block.
Problem
A graph is given in which N vertices, each numbered from 1 to N, are connected by N-1 undirected edges. For each vertex, output the shortest number of steps to start from that vertex and visit all vertices.
However, one step is to follow one s... |
Solve the programming task below in a Python markdown code block.
I'm traveling to a country with a rabbit. There are n cities in this country numbered from 1 to n, and the rabbit is now in city 1. City i is a point on the coordinate plane (xi, yi) ).
Rabbits travel to meet the following conditions.
* The travel pat... |
Solve the programming task below in a Python markdown code block.
Example
Input
3 2
R1
Output
3 1 2
4 5 6
7 8 9
The input will be give
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.
Problem
There is a grid of $ N \ times N $ cells. Initially all cells are white. Follow the steps below to increase the number of black squares.
Select one white cell from the cells that are even-numbered from the top and even-numbered from the left. ... |
Solve the programming task below in a Python markdown code block.
We want to encode a given string $S$ to a binary string. Each alphabet character in $S$ should be mapped to a different variable-length code and the code must not be a prefix of others.
Huffman coding is known as one of ways to obtain a code table for ... |
Solve the programming task below in a Python markdown code block.
Write a program which reads a sequence of $n$ integers $a_i (i = 1, 2, ... n)$, and prints the minimum value, maximum value and sum of the sequence.
Constraints
* $0 < n \leq 10000$
* $-1000000 \leq a_i \leq 1000000$
Input
In the first line, an inte... |
Solve the programming task below in a Python markdown code block.
Yesterday Chef had a great party and doesn't remember the way he celebreated it. But he found a strange paper in his kitchen containing n digits (lets give them indices from 1 to n and name them a1, a2 ... aN).
Chef remembers that he played such game:... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.