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Solve the programming task below in a Python markdown code block. The nth triangular number is defined as the sum of the first n positive integers. The nth tetrahedral number is defined as the sum of the first n triangular numbers. It is easy to show that the nth tetrahedral number is equal to n(n+1)(n+2) ⁄ 6. For exa...
Solve the programming task below in a Python markdown code block. Background The kindergarten attached to the University of Aizu is a kindergarten where children who love programming gather. Yu, one of the kindergarten children, loves rectangles as much as programming. Yu-kun decided to write a program to calculate t...
Solve the programming task below in a Python markdown code block. Alice and Bob are going to drive from their home to a theater for a date. They are very challenging - they have no maps with them even though they don’t know the route at all (since they have just moved to their new home). Yes, they will be going just b...
Solve the programming task below in a Python markdown code block. Problem statement You are a hero. The world in which the hero is traveling consists of N cities and M roads connecting different cities. Road i connects town a_i and town b_i and can move in both directions. The purpose of the brave is to start from t...
Solve the programming task below in a Python markdown code block. D: Many Decimal Integers problem Given a string S consisting only of numbers (0-9) and a string T consisting only of numbers and `?`. S and T are the same length. Consider changing each `?` That exists in T to one of the numbers from 0 to 9 to create...
Solve the programming task below in a Python markdown code block. Addition of Big Integers Given two integers $A$ and $B$, compute the sum, $A + B$. Input Two integers $A$ and $B$ separated by a space character are given in a line. Output Print the sum in a line. Constraints * $-1 \times 10^{100000} \leq A, B \...
Solve the programming task below in a Python markdown code block. In the country of Numberia, there is a city called Primeland. Sherry is one of the rich inhabitants of the city, who likes to collect coins of various denominations. Coins in primeland are little strange , they are only available in prime denominations ...
Solve the programming task below in a Python markdown code block. Natasha is going to fly to Mars. She needs to build a rocket, which consists of several stages in some order. Each of the stages is defined by a lowercase Latin letter. This way, the rocket can be described by the string — concatenation of letters, whic...
Solve the programming task below in a Python markdown code block. Mikhail walks on a Cartesian plane. He starts at the point (0, 0), and in one move he can go to any of eight adjacent points. For example, if Mikhail is currently at the point (0, 0), he can go to any of the following points in one move: * (1, 0); ...
Solve the programming task below in a Python markdown code block. Vasya has recently got a job as a cashier at a local store. His day at work is L minutes long. Vasya has already memorized n regular customers, the i-th of which comes after t_{i} minutes after the beginning of the day, and his service consumes l_{i} mi...
Solve the programming task below in a Python markdown code block. Recently, Masha was presented with a chessboard with a height of n and a width of m. The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left to right. Therefore, each cell can be specified ...
Solve the programming task below in a Python markdown code block. All cinema halls in Berland are rectangles with K rows of K seats each, and K is an odd number. Rows and seats are numbered from 1 to K. For safety reasons people, who come to the box office to buy tickets, are not allowed to choose seats themselves. Fo...
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. The only difference between easy and hard versions is constraints. The BerTV channel every day broadcasts one episode of one of the k TV shows. You know the schedule for the next n days: a sequence of integers a_1, a_2, ..., a_n (1 ≤ a_i ≤ k), where a_...
Solve the programming task below in a Python markdown code block. Lucy likes letters. She studied the definition of the lexicographical order at school and plays with it. At first, she tried to construct the lexicographically smallest word out of given letters. It was so easy! Then she tried to build multiple words a...
Solve the programming task below in a Python markdown code block. You and your n - 1 friends have found an array of integers a_1, a_2, ..., a_n. You have decided to share it in the following way: All n of you stand in a line in a particular order. Each minute, the person at the front of the line chooses either the fir...
Solve the programming task below in a Python markdown code block. Given a sequence of integers a of length n, a tuple (i,j,k) is called monotone triples if * 1 ≤ i<j<k≤ n; * a_i ≤ a_j ≤ a_k or a_i ≥ a_j ≥ a_k is satisfied. For example, a=[5,3,4,5], then (2,3,4) is monotone triples for sequence a while (1,3,...
Solve the programming task below in a Python markdown code block. Alica and Bob are playing a game. Initially they have a binary string s consisting of only characters 0 and 1. Alice and Bob make alternating moves: Alice makes the first move, Bob makes the second move, Alice makes the third one, and so on. During ea...
Solve the programming task below in a Python markdown code block. You are given an array a of n integers. You want to make all elements of a equal to zero by doing the following operation exactly three times: * Select a segment, for each number in this segment we can add a multiple of len to it, where len is the l...
Solve the programming task below in a Python markdown code block. In the Main Berland Bank n people stand in a queue at the cashier, everyone knows his/her height hi, and the heights of the other people in the queue. Each of them keeps in mind number ai — how many people who are taller than him/her and stand in queue ...
Solve the programming task below in a Python markdown code block. The princess is going to escape the dragon's cave, and she needs to plan it carefully. The princess runs at vp miles per hour, and the dragon flies at vd miles per hour. The dragon will discover the escape after t hours and will chase the princess imme...
Solve the programming task below in a Python markdown code block. Lena is the most economical girl in Moscow. So, when her dad asks her to buy some food for a trip to the country, she goes to the best store — "PriceFixed". Here are some rules of that store: * The store has an infinite number of items of every produ...
Solve the programming task below in a Python markdown code block. Another programming contest is over. You got hold of the contest's final results table. The table has the following data. For each team we are shown two numbers: the number of problems and the total penalty time. However, for no team we are shown its fi...
Solve the programming task below in a Python markdown code block. Little Elephant loves magic squares very much. A magic square is a 3 × 3 table, each cell contains some positive integer. At that the sums of integers in all rows, columns and diagonals of the table are equal. The figure below shows the magic square, t...
Solve the programming task below in a Python markdown code block. The Bitlandians are quite weird people. They have very peculiar customs. As is customary, Uncle J. wants to have n eggs painted for Bitruz (an ancient Bitland festival). He has asked G. and A. to do the work. The kids are excited because just as is cu...
Solve the programming task below in a Python markdown code block. Pavel loves grid mazes. A grid maze is an n × m rectangle maze where each cell is either empty, or is a wall. You can go from one cell to another only if both cells are empty and have a common side. Pavel drew a grid maze with all empty cells forming a...
Solve the programming task below in a Python markdown code block. Recently a serious bug has been found in the FOS code. The head of the F company wants to find the culprit and punish him. For that, he set up an organizational meeting, the issue is: who's bugged the code? Each of the n coders on the meeting said: 'I k...
Solve the programming task below in a Python markdown code block. Bizon the Champion isn't just a bison. He also is a favorite of the "Bizons" team. At a competition the "Bizons" got the following problem: "You are given two distinct words (strings of English letters), s and t. You need to transform word s into word ...
Solve the programming task below in a Python markdown code block. Today there is going to be an unusual performance at the circus — hamsters and tigers will perform together! All of them stand in circle along the arena edge and now the trainer faces a difficult task: he wants to swap the animals' positions so that all...
Solve the programming task below in a Python markdown code block. Vanya and his friend Vova play a computer game where they need to destroy n monsters to pass a level. Vanya's character performs attack with frequency x hits per second and Vova's character performs attack with frequency y hits per second. Each characte...
Solve the programming task below in a Python markdown code block. A schoolboy named Vasya loves reading books on programming and mathematics. He has recently read an encyclopedia article that described the method of median smoothing (or median filter) and its many applications in science and engineering. Vasya liked t...
Solve the programming task below in a Python markdown code block. Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing machines. In order to make it work, you need to tie it to some ...
Solve the programming task below in a Python markdown code block. Dante is engaged in a fight with "The Savior". Before he can fight it with his sword, he needs to break its shields. He has two guns, Ebony and Ivory, each of them is able to perform any non-negative number of shots. For every bullet that hits the shie...
Solve the programming task below in a Python markdown code block. Vasya has a sequence of cubes and exactly one integer is written on each cube. Vasya exhibited all his cubes in a row. So the sequence of numbers written on the cubes in the order from the left to the right equals to a1, a2, ..., an. While Vasya was wa...
Solve the programming task below in a Python markdown code block. In one of the games Arkady is fond of the game process happens on a rectangular field. In the game process Arkady can buy extensions for his field, each extension enlarges one of the field sizes in a particular number of times. Formally, there are n ext...
Solve the programming task below in a Python markdown code block. Luba has a ticket consisting of 6 digits. In one move she can choose digit in any position and replace it with arbitrary digit. She wants to know the minimum number of digits she needs to replace in order to make the ticket lucky. The ticket is conside...
Solve the programming task below in a Python markdown code block. You can perfectly predict the price of a certain stock for the next N days. You would like to profit on this knowledge, but only want to transact one share of stock per day. That is, each day you will either buy one share, sell one share, or do nothing....
Solve the programming task below in a Python markdown code block. Julia is going to cook a chicken in the kitchen of her dormitory. To save energy, the stove in the kitchen automatically turns off after k minutes after turning on. During cooking, Julia goes to the kitchen every d minutes and turns on the stove if it ...
Solve the programming task below in a Python markdown code block. All the students in NIT are very lazy. They want to have maximum time for rest. But due to college rules, they must maintain 75% attendance at the end of every week. Given the schedule of a week, tell them what is the maximum amount of time they might ...
Solve the programming task below in a Python markdown code block. Given an integer N. Find out the PermutationSum where PermutationSum for integer N is defined as the maximum sum of difference of adjacent elements in all arrangement of numbers from 1 to N. NOTE: Difference between two elements A and B will be consi...
Solve the programming task below in a Python markdown code block. Roy wants to change his profile picture on Facebook. Now Facebook has some restriction over the dimension of picture that we can upload. Minimum dimension of the picture can be L x L, where L is the length of the side of square. Now Roy has N photos ...
Solve the programming task below in a Python markdown code block. Yes, you read it right - Little Jhool is back, but no, he's not over his break up, still. And he's sad, broken and depressed; thus, he decided to visit a psychologist. She tells him to think about his pleasant memories of childhood, and stay busy so as ...
Solve the programming task below in a Python markdown code block. As it is the Valentines month, Puchi's girlfriend asks him to take her shopping. He, being the average bloke, does not have a lot of money to spend. Hence, decides to buy each item from the shop that offers the best price on it. His girlfriend wants to...
Solve the programming task below in a Python markdown code block. To become a millionaire, M-kun has decided to make money by trading in the next N days. Currently, he has 1000 yen and no stocks - only one kind of stock is issued in the country where he lives. He is famous across the country for his ability to forese...
Solve the programming task below in a Python markdown code block. We have N points numbered 1 to N arranged in a line in this order. Takahashi decides to make an undirected graph, using these points as the vertices. In the beginning, the graph has no edge. Takahashi will do M operations to add edges in this graph. Th...
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? He...
Solve the programming task below in a Python markdown code block. There are N boxes arranged in a row from left to right. The i-th box from the left contains A_i candies. You will take out the candies from some consecutive boxes and distribute them evenly to M children. Such being the case, find the number of the pa...
Solve the programming task below in a Python markdown code block. We have a tree with N vertices. Vertex 1 is the root of the tree, and the parent of Vertex i (2 \leq i \leq N) is Vertex P_i. To each vertex in the tree, Snuke will allocate a color, either black or white, and a non-negative integer weight. Snuke has ...
Solve the programming task below in a Python markdown code block. Input The input is given from standard input in the following format. > $H \ W$ $a_{1, 1} \ a_{1, 2} \ \cdots \ a_{1, W}$ $a_{2, 1} \ a_{2, 2} \ \cdots \ a_{2, W}$ $\vdots \ \ \ \ \ \ \ \ \ \ \vdots \ \ \ \ \ \ \ \ \ \ \vdots$ $a_{H, 1} \ a_{H, 2} \ ...
Solve the programming task below in a Python markdown code block. Let's play Hit and Blow game. A imagines four numbers and B guesses the numbers. After B picks out four numbers, A answers: * The number of numbers which have the same place with numbers A imagined (Hit) * The number of numbers included (but different ...
Solve the programming task below in a Python markdown code block. Now, a ninja is planning to sneak into the castle tower from outside the castle. This ninja can easily run on the ground and swim in the moat, but he is not very good at climbing up from the moat, so he wants to enter the moat as few times as possible. ...
Solve the programming task below in a Python markdown code block. The secret organization AiZu AnalyticS has launched a top-secret investigation. There are N people targeted, with identification numbers from 1 to N. As an AZAS Information Strategy Investigator, you have decided to determine the number of people in you...
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. Mr. Simpson got up with a slight feeling of tiredness. It was the start of another day of hard work. A bunch of papers were waiting for his inspection on his desk in his office. The papers contained his students' answers to questions in his Math class, ...
Solve the programming task below in a Python markdown code block. Problem There are n vertices that are not connected to any of the vertices. An undirected side is stretched between each vertex. Find out how many sides can be stretched when the diameter is set to d. The diameter represents the largest of the shortest...
Solve the programming task below in a Python markdown code block. Problem Statement Alice is a private teacher. One of her job is to prepare the learning materials for her student. Now, as part of the materials, she is drawing a Venn diagram between two sets $A$ and $B$. Venn diagram is a diagram which illustrates t...
Solve the programming task below in a Python markdown code block. Example Input acmicpc tsukuba Output No 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. Determine whether a text T includes a pattern P. Your program should answer for given queries consisting of P_i. Constraints * 1 ≤ length of T ≤ 1000000 * 1 ≤ length of P_i ≤ 1000 * 1 ≤ Q ≤ 10000 * The input consists of alphabetical characters and dig...
Solve the programming task below in a Python markdown code block. How Many Divisors? Write a program which reads three integers a, b and c, and prints the number of divisors of c between a and b. Constraints * 1 ≤ a, b, c ≤ 10000 * a ≤ b Input Three integers a, b and c are given in a line separated by a single sp...
Solve the programming task below in a Python markdown code block. Vasya's house is situated in a forest, and there is a mushroom glade near it. The glade consists of two rows, each of which can be divided into n consecutive cells. For each cell Vasya knows how fast the mushrooms grow in this cell (more formally, how m...
Solve the programming task below in a Python markdown code block. After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets, now the boy...
Solve the programming task below in a Python markdown code block. You are given a positive integer n greater or equal to 2. For every pair of integers a and b (2 ≤ \|a\|, \|b\| ≤ n), you can transform a into b if and only if there exists an integer x such that 1 < \|x\| and (a ⋅ x = b or b ⋅ x = a), where \|x\| denotes the ab...
Solve the programming task below in a Python markdown code block. The Fair Nut found a string s. The string consists of lowercase Latin letters. The Nut is a curious guy, so he wants to find the number of strictly increasing sequences p_1, p_2, …, p_k, such that: 1. For each i (1 ≤ i ≤ k), s_{p_i} = 'a'. 2. For...
Solve the programming task below in a Python markdown code block. Roman and Denis are on the trip to the programming competition. Since the trip was long, they soon got bored, and hence decided to came up with something. Roman invented a pizza's recipe, while Denis invented a string multiplication. According to Denis,...
Solve the programming task below in a Python markdown code block. On a random day, Neko found n treasure chests and m keys. The i-th chest has an integer a_i written on it and the j-th key has an integer b_j on it. Neko knows those chests contain the powerful mysterious green Grapes, thus Neko wants to open as many tr...
Solve the programming task below in a Python markdown code block. Recently, Tokitsukaze found an interesting game. Tokitsukaze had n items at the beginning of this game. However, she thought there were too many items, so now she wants to discard m (1 ≤ m ≤ n) special items of them. These n items are marked with indic...
Solve the programming task below in a Python markdown code block. The only difference between easy and hard versions is constraints. Now elections are held in Berland and you want to win them. More precisely, you want everyone to vote for you. There are n voters, and two ways to convince each of them to vote for you...
Solve the programming task below in a Python markdown code block. The map of the capital of Berland can be viewed on the infinite coordinate plane. Each point with integer coordinates contains a building, and there are streets connecting every building to four neighbouring buildings. All streets are parallel to the co...
Solve the programming task below in a Python markdown code block. Recall that MEX of an array is a minimum non-negative integer that does not belong to the array. Examples: * for the array [0, 0, 1, 0, 2] MEX equals to 3 because numbers 0, 1 and 2 are presented in the array and 3 is the minimum non-negative integer...
Solve the programming task below in a Python markdown code block. VK news recommendation system daily selects interesting publications of one of n disjoint categories for each user. Each publication belongs to exactly one category. For each category i batch algorithm selects a_i publications. The latest A/B test sugg...
Solve the programming task below in a Python markdown code block. Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i. First, Alice chooses a non-empty consecutive segment of cards [l; r] (l ≤ r). After...
Solve the programming task below in a Python markdown code block. Andrey's favourite number is n. Andrey's friends gave him two identical numbers n as a New Year present. He hung them on a wall and watched them adoringly. Then Andrey got bored from looking at the same number and he started to swap digits first in one...
Solve the programming task below in a Python markdown code block. There are n cities and m bidirectional roads in Berland. The i-th road connects the cities x_i and y_i, and has the speed limit s_i. The road network allows everyone to get from any city to any other city. The Berland Transport Ministry is planning a ...
Solve the programming task below in a Python markdown code block. You are given a string s consisting of lowercase English letters and a number k. Let's call a string consisting of lowercase English letters beautiful if the number of occurrences of each letter in that string is divisible by k. You are asked to find th...
Solve the programming task below in a Python markdown code block. Highway 201 is the most busy street in Rockport. Traffic cars cause a lot of hindrances to races, especially when there are a lot of them. The track which passes through this highway can be divided into n sub-tracks. You are given an array a where a_i r...
Solve the programming task below in a Python markdown code block. How to make a cake you'll never eat. Ingredients. * 2 carrots * 0 calories * 100 g chocolate spread * 1 pack of flour * 1 egg Method. 1. Put calories into the mixing bowl. 2. Take carrots from refrigerator. 3. Chop carrots. 4. ...
Solve the programming task below in a Python markdown code block. The ancient Berlanders believed that the longer the name, the more important its bearer is. Thus, Berland kings were famous for their long names. But long names are somewhat inconvenient, so the Berlanders started to abbreviate the names of their kings....
Solve the programming task below in a Python markdown code block. Vasya's bicycle chain drive consists of two parts: n stars are attached to the pedal axle, m stars are attached to the rear wheel axle. The chain helps to rotate the rear wheel by transmitting the pedal rotation. We know that the i-th star on the pedal...
Solve the programming task below in a Python markdown code block. Valera had two bags of potatoes, the first of these bags contains x (x ≥ 1) potatoes, and the second — y (y ≥ 1) potatoes. Valera — very scattered boy, so the first bag of potatoes (it contains x potatoes) Valera lost. Valera remembers that the total am...
Solve the programming task below in a Python markdown code block. Given a string s, determine if it contains any palindrome of length exactly 100 as a subsequence. If it has any, print any one of them. If it doesn't have any, print a palindrome that is a subsequence of s and is as long as possible. Input The only li...
Solve the programming task below in a Python markdown code block. Seryozha has a very changeable character. This time he refused to leave the room to Dima and his girlfriend (her hame is Inna, by the way). However, the two lovebirds can always find a way to communicate. Today they are writing text messages to each oth...
Solve the programming task below in a Python markdown code block. It's a very unfortunate day for Volodya today. He got bad mark in algebra and was therefore forced to do some work in the kitchen, namely to cook borscht (traditional Russian soup). This should also improve his algebra skills. According to the borscht ...
Solve the programming task below in a Python markdown code block. We call a string good, if after merging all the consecutive equal characters, the resulting string is palindrome. For example, "aabba" is good, because after the merging step it will become "aba". Given a string, you have to find two values: 1. the ...
Solve the programming task below in a Python markdown code block. Captain Marmot wants to prepare a huge and important battle against his enemy, Captain Snake. For this battle he has n regiments, each consisting of 4 moles. Initially, each mole i (1 ≤ i ≤ 4n) is placed at some position (xi, yi) in the Cartesian plane...
Solve the programming task below in a Python markdown code block. It turns out that you are a great fan of rock band AC/PE. Peter learned that and started the following game: he plays the first song of the list of n songs of the group, and you have to find out the name of the song. After you tell the song name, Peter ...
Solve the programming task below in a Python markdown code block. Vasya is sitting on an extremely boring math class. To have fun, he took a piece of paper and wrote out n numbers on a single line. After that, Vasya began to write out different ways to put pluses ("+") in the line between certain digits in the line so...
Solve the programming task below in a Python markdown code block. Bob has a permutation of integers from 1 to n. Denote this permutation as p. The i-th element of p will be denoted as pi. For all pairs of distinct integers i, j between 1 and n, he wrote the number ai, j = min(pi, pj). He writes ai, i = 0 for all integ...
Solve the programming task below in a Python markdown code block. A super computer has been built in the Turtle Academy of Sciences. The computer consists of n·m·k CPUs. The architecture was the paralellepiped of size n × m × k, split into 1 × 1 × 1 cells, each cell contains exactly one CPU. Thus, each CPU can be simu...
Solve the programming task below in a Python markdown code block. A famous sculptor Cicasso goes to a world tour! Well, it is not actually a world-wide. But not everyone should have the opportunity to see works of sculptor, shouldn't he? Otherwise there will be no any exclusivity. So Cicasso will entirely hold the wo...
Solve the programming task below in a Python markdown code block. Tonight is brain dinner night and all zombies will gather together to scarf down some delicious brains. The artful Heidi plans to crash the party, incognito, disguised as one of them. Her objective is to get away with at least one brain, so she can anal...
Solve the programming task below in a Python markdown code block. Memory and his friend Lexa are competing to get higher score in one popular computer game. Memory starts with score a and Lexa starts with score b. In a single turn, both Memory and Lexa get some integer in the range [ - k;k] (i.e. one integer among - ...
Solve the programming task below in a Python markdown code block. There was an epidemic in Monstropolis and all monsters became sick. To recover, all monsters lined up in queue for an appointment to the only doctor in the city. Soon, monsters became hungry and began to eat each other. One monster can eat other mons...
Solve the programming task below in a Python markdown code block. In Berland each high school student is characterized by academic performance — integer value between 1 and 5. In high school 0xFF there are two groups of pupils: the group A and the group B. Each group consists of exactly n students. An academic perfor...
Solve the programming task below in a Python markdown code block. You are given a directed acyclic graph with n vertices and m edges. There are no self-loops or multiple edges between any pair of vertices. Graph can be disconnected. You should assign labels to all vertices in such a way that: * Labels form a valid...
Solve the programming task below in a Python markdown code block. You are given two lists of non-zero digits. Let's call an integer pretty if its (base 10) representation has at least one digit from the first list and at least one digit from the second list. What is the smallest positive pretty integer? Input The f...
Solve the programming task below in a Python markdown code block. Eleven wants to choose a new name for herself. As a bunch of geeks, her friends suggested an algorithm to choose a name for her. Eleven wants her name to have exactly n characters. <image> Her friend suggested that her name should only consist of upp...
Solve the programming task below in a Python markdown code block. We've got no test cases. A big olympiad is coming up. But the problemsetters' number one priority should be adding another problem to the round. The diameter of a multiset of points on the line is the largest distance between two points from this set. ...
Solve the programming task below in a Python markdown code block. One department of some software company has n servers of different specifications. Servers are indexed with consecutive integers from 1 to n. Suppose that the specifications of the j-th server may be expressed with a single integer number c_j of artific...
Solve the programming task below in a Python markdown code block. Like other girlfriends Chintu's girlfriend is also very demanding. This time she is demanding for bracelet having atleast k special beads. A bracelet is composed of N strands. Each strand can have any number of beads and each bead has a letter engraved ...
Solve the programming task below in a Python markdown code block. In this problem your goal is to guess some secret permutation A of integers from 1 to 16. There are 17 tests in this problem. Test number i for 1 ≤ i ≤ 16 will have the following form: the first line of the input contains string "ELEMENT" (without quo...

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