question
large_stringlengths
265
13.2k
Solve the programming task below in a Python markdown code block. Problem C: Seishun 18 Kippu A student at R University, sirokurostone, was about to attend a training camp at Atsu University. Other members plan to use the Shinkansen, but sirokurostone was going to use the Seishun 18 Ticket. Similarly, a person who li...
Solve the programming task below in a Python markdown code block. Hakone Ekiden is one of the Japanese New Year's traditions. In Hakone Ekiden, 10 runners from each team aim for the goal while connecting the sashes at each relay station. In the TV broadcast, the ranking change from the previous relay station is displa...
Solve the programming task below in a Python markdown code block. Problem statement Here are N mysteriously shaped vases. The i-th jar is a shape in which K_i right-sided cylinders are vertically connected in order from the bottom. The order in which they are connected cannot be changed. Mr. A has a volume of water o...
Solve the programming task below in a Python markdown code block. Given a non-negative decimal integer $x$, convert it to binary representation $b$ of 32 bits. Then, print the result of the following operations to $b$ respecitvely. * Inversion: change the state of each bit to the opposite state * Logical left shift: ...
Solve the programming task below in a Python markdown code block. You are given a string s consisting of n lowercase Latin letters. n is even. For each position i (1 ≀ i ≀ n) in string s you are required to change the letter on this position either to the previous letter in alphabetic order or to the next one (letter...
Solve the programming task below in a Python markdown code block. Our brave travelers reached an island where pirates had buried treasure. However as the ship was about to moor, the captain found out that some rat ate a piece of the treasure map. The treasure map can be represented as a rectangle n Γ— m in size. Each ...
Solve the programming task below in a Python markdown code block. There are n people sitting in a circle, numbered from 1 to n in the order in which they are seated. That is, for all i from 1 to n-1, the people with id i and i+1 are adjacent. People with id n and 1 are adjacent as well. The person with id 1 initially...
Solve the programming task below in a Python markdown code block. You are given an integer n (n β‰₯ 0) represented with k digits in base (radix) b. So, $$$n = a_1 β‹… b^{k-1} + a_2 β‹… b^{k-2} + … a_{k-1} β‹… b + a_k.$$$ For example, if b=17, k=3 and a=[11, 15, 7] then n=11β‹…17^2+15β‹…17+7=3179+255+7=3441. Determine whether n...
Solve the programming task below in a Python markdown code block. Let s be some string consisting of symbols "0" or "1". Let's call a string t a substring of string s, if there exists such number 1 ≀ l ≀ |s| - |t| + 1 that t = s_l s_{l+1} … s_{l + |t| - 1}. Let's call a substring t of string s unique, if there exist o...
Solve the programming task below in a Python markdown code block. While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid. A 1-st order rhombus is just a square 1 Γ— 1 (i.e just a cell). A n-th order rhombus for all n β‰₯ 2 one obtains from a n-1-th order rho...
Solve the programming task below in a Python markdown code block. For years, the Day of city N was held in the most rainy day of summer. New mayor decided to break this tradition and select a not-so-rainy day for the celebration. The mayor knows the weather forecast for the n days of summer. On the i-th day, a_i milli...
Solve the programming task below in a Python markdown code block. In addition to complaints about lighting, a lot of complaints about insufficient radio signal covering has been received by Bertown city hall recently. n complaints were sent to the mayor, all of which are suspiciosly similar to each other: in the i-th ...
Solve the programming task below in a Python markdown code block. Recently Ivan the Fool decided to become smarter and study the probability theory. He thinks that he understands the subject fairly well, and so he began to behave like he already got PhD in that area. To prove his skills, Ivan decided to demonstrate h...
Solve the programming task below in a Python markdown code block. Let's call an array t dominated by value v in the next situation. At first, array t should have at least 2 elements. Now, let's calculate number of occurrences of each number num in t and define it as occ(num). Then t is dominated (by v) if (and only i...
Solve the programming task below in a Python markdown code block. Anu has created her own function f: f(x, y) = (x | y) - y where | denotes the [bitwise OR operation](https://en.wikipedia.org/wiki/Bitwise_operation#OR). For example, f(11, 6) = (11|6) - 6 = 15 - 6 = 9. It can be proved that for any nonnegative numbers ...
Solve the programming task below in a Python markdown code block. The next lecture in a high school requires two topics to be discussed. The i-th topic is interesting by a_i units for the teacher and by b_i units for the students. The pair of topics i and j (i < j) is called good if a_i + a_j > b_i + b_j (i.e. it is ...
Solve the programming task below in a Python markdown code block. Recall that the sequence b is a a subsequence of the sequence a if b can be derived from a by removing zero or more elements without changing the order of the remaining elements. For example, if a=[1, 2, 1, 3, 1, 2, 1], then possible subsequences are: [...
Solve the programming task below in a Python markdown code block. Vivek has encountered a problem. He has a maze that can be represented as an n Γ— m grid. Each of the grid cells may represent the following: * Empty β€” '.' * Wall β€” '#' * Good person β€” 'G' * Bad person β€” 'B' The only escape from the maze ...
Solve the programming task below in a Python markdown code block. You are given a string s[1 ... n] consisting of lowercase Latin letters. It is guaranteed that n = 2^k for some integer k β‰₯ 0. The string s[1 ... n] is called c-good if at least one of the following three conditions is satisfied: * The length of s i...
Solve the programming task below in a Python markdown code block. Igor had a sequence d_1, d_2, ..., d_n of integers. When Igor entered the classroom there was an integer x written on the blackboard. Igor generated sequence p using the following algorithm: 1. initially, p = [x]; 2. for each 1 ≀ i ≀ n he did th...
Solve the programming task below in a Python markdown code block. As Sherlock Holmes was investigating a crime, he identified n suspects. He knows for sure that exactly one of them committed the crime. To find out which one did it, the detective lines up the suspects and numbered them from 1 to n. After that, he asked...
Solve the programming task below in a Python markdown code block. The Smart Beaver from ABBYY was offered a job of a screenwriter for the ongoing TV series. In particular, he needs to automate the hard decision: which main characters will get married by the end of the series. There are n single men and n single women...
Solve the programming task below in a Python markdown code block. Qwerty the Ranger took up a government job and arrived on planet Mars. He should stay in the secret lab and conduct some experiments on bacteria that have funny and abnormal properties. The job isn't difficult, but the salary is high. At the beginning ...
Solve the programming task below in a Python markdown code block. Polycarpus has an array, consisting of n integers a1, a2, ..., an. Polycarpus likes it when numbers in an array match. That's why he wants the array to have as many equal numbers as possible. For that Polycarpus performs the following operation multiple...
Solve the programming task below in a Python markdown code block. A girl named Xenia has a cupboard that looks like an arc from ahead. The arc is made of a semicircle with radius r (the cupboard's top) and two walls of height h (the cupboard's sides). The cupboard's depth is r, that is, it looks like a rectangle with ...
Solve the programming task below in a Python markdown code block. We'll call a set of positive integers a beautiful if the following condition fulfills: for any prime p, if <image>, then <image>. In other words, if one number from the set is divisible by prime p, then at least half of numbers from the set is divisible...
Solve the programming task below in a Python markdown code block. Fox Ciel wants to write a task for a programming contest. The task is: "You are given a simple undirected graph with n vertexes. Each its edge has unit length. You should calculate the number of shortest paths between vertex 1 and vertex 2." Same with ...
Solve the programming task below in a Python markdown code block. At the children's day, the child came to Picks's house, and messed his house up. Picks was angry at him. A lot of important things were lost, in particular the favorite set of Picks. Fortunately, Picks remembers something about his set S: * its elem...
Solve the programming task below in a Python markdown code block. On a history lesson the teacher asked Vasya to name the dates when n famous events took place. He doesn't remembers the exact dates but he remembers a segment of days [li, ri] (inclusive) on which the event could have taken place. However Vasya also rem...
Solve the programming task below in a Python markdown code block. You are given a n Γ— m field consisting only of periods ('.') and asterisks ('*'). Your task is to count all right triangles with two sides parallel to the square sides, whose vertices are in the centers of '*'-cells. A right triangle is a triangle in wh...
Solve the programming task below in a Python markdown code block. Petya loves computer games. Finally a game that he's been waiting for so long came out! The main character of this game has n different skills, each of which is characterized by an integer ai from 0 to 100. The higher the number ai is, the higher is th...
Solve the programming task below in a Python markdown code block. Vasya likes everything infinite. Now he is studying the properties of a sequence s, such that its first element is equal to a (s1 = a), and the difference between any two neighbouring elements is equal to c (si - si - 1 = c). In particular, Vasya wonder...
Solve the programming task below in a Python markdown code block. You are given a description of a depot. It is a rectangular checkered field of n Γ— m size. Each cell in a field can be empty (".") or it can be occupied by a wall ("*"). You have one bomb. If you lay the bomb at the cell (x, y), then after triggering ...
Solve the programming task below in a Python markdown code block. Vasya has a pack of 54 cards (52 standard cards and 2 distinct jokers). That is all he has at the moment. Not to die from boredom, Vasya plays Solitaire with them. Vasya lays out nm cards as a rectangle n Γ— m. If there are jokers among them, then Vasya...
Solve the programming task below in a Python markdown code block. As you have noticed, there are lovely girls in Arpa’s land. People in Arpa's land are numbered from 1 to n. Everyone has exactly one crush, i-th person's crush is person with the number crushi. <image> Someday Arpa shouted Owf loudly from the top of ...
Solve the programming task below in a Python markdown code block. Little Timofey likes integers a lot. Unfortunately, he is very young and can't work with very big integers, so he does all the operations modulo his favorite prime m. Also, Timofey likes to look for arithmetical progressions everywhere. One of his birt...
Solve the programming task below in a Python markdown code block. <image> It's the end of July – the time when a festive evening is held at Jelly Castle! Guests from all over the kingdom gather here to discuss new trends in the world of confectionery. Yet some of the things discussed here are not supposed to be discl...
Solve the programming task below in a Python markdown code block. Petya learned a new programming language CALPAS. A program in this language always takes one non-negative integer and returns one non-negative integer as well. In the language, there are only three commands: apply a bitwise operation AND, OR or XOR wit...
Solve the programming task below in a Python markdown code block. In the year of 30XX participants of some world programming championship live in a single large hotel. The hotel has n floors. Each floor has m sections with a single corridor connecting all of them. The sections are enumerated from 1 to m along the corr...
Solve the programming task below in a Python markdown code block. You are given a string s consisting of n lowercase Latin letters. You have to type this string using your keyboard. Initially, you have an empty string. Until you type the whole string, you may perform the following operation: * add a character to t...
Solve the programming task below in a Python markdown code block. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between two other existing links or pearls (or between a link and a...
Solve the programming task below in a Python markdown code block. Yakko, Wakko and Dot, world-famous animaniacs, decided to rest from acting in cartoons, and take a leave to travel a bit. Yakko dreamt to go to Pennsylvania, his Motherland and the Motherland of his ancestors. Wakko thought about Tasmania, its beaches, ...
Solve the programming task below in a Python markdown code block. Problem: N boxes are arranged systematically in a circle and numbered from 1 to N in increasing order in clockwise direction. There will be Q queries asking you whether boxes i and j can be connected by a straight rod such that this rod does not inters...
Solve the programming task below in a Python markdown code block. Little Arjit is in love with Deepa. They have always thought of themselves as the ideal couple - the best, possible match they could've managed. (No kidding!) And like every other couple, they promised each other not to fight after every other fight. Bu...
Solve the programming task below in a Python markdown code block. Rajat is a guy who always wants to live in a fantasy world. In his world, a deck consists of X cards, where X is a multiple of 4. There are four types of cards namely spade , heart , club and diamond with each type having values in range of [1,X/4] incl...
Solve the programming task below in a Python markdown code block. The cat Snuke wants to play a popular Japanese game called Γ…tCoder, so Iroha has decided to teach him Japanese. When counting pencils in Japanese, the counter word "本" follows the number. The pronunciation of this word varies depending on the number. S...
Solve the programming task below in a Python markdown code block. Takahashi has a maze, which is a grid of H \times W squares with H horizontal rows and W vertical columns. The square at the i-th row from the top and the j-th column is a "wall" square if S_{ij} is `#`, and a "road" square if S_{ij} is `.`. From a ro...
Solve the programming task below in a Python markdown code block. Given is a string S consisting of lowercase English letters. Find the maximum positive integer K that satisfies the following condition: * There exists a partition of S into K non-empty strings S=S_1S_2...S_K such that S_i \neq S_{i+1} (1 \leq i \leq K...
Solve the programming task below in a Python markdown code block. The restaurant AtCoder serves the following five dishes: * ABC Don (rice bowl): takes A minutes to serve. * ARC Curry: takes B minutes to serve. * AGC Pasta: takes C minutes to serve. * APC Ramen: takes D minutes to serve. * ATC Hanbagu (hamburger patt...
Solve the programming task below in a Python markdown code block. Niwango-kun has \\(N\\) chickens as his pets. The chickens are identified by numbers \\(1\\) to \\(N\\), and the size of the \\(i\\)-th chicken is a positive integer \\(a_i\\). \\(N\\) chickens decided to take each other's hand (wing) and form some cyc...
Solve the programming task below in a Python markdown code block. Consider the following game: * The game is played using a row of N squares and many stones. * First, a_i stones are put in Square i\ (1 \leq i \leq N). * A player can perform the following operation as many time as desired: "Select an integer i such th...
Solve the programming task below in a Python markdown code block. Enter a positive integer n of 4,000 or less, with a pair of integers a, b, c, d in the range 0-1000. a + b + c + d = n Create a program that outputs the number of combinations that satisfy the conditions. Input Given multiple datasets. Each data...
Solve the programming task below in a Python markdown code block. The screen that displays digital numbers that you often see on calculators is called a "7-segment display" because the digital numbers consist of seven parts (segments). The new product to be launched by Wakamatsu will incorporate a 7-segment display i...
Solve the programming task below in a Python markdown code block. $N$ sages are sitting around a round table with $N$ seats. Each sage holds chopsticks with his dominant hand to eat his dinner. The following happens in this situation. * If sage $i$ is right-handed and a left-handed sage sits on his right, a level of ...
Solve the programming task below in a Python markdown code block. Dr. Asimov, a robotics researcher, loves to research, but hates houseworks and his house were really dirty. So, he has developed a cleaning robot. As shown in the following figure, his house has 9 rooms, where each room is identified by an alphabet: ...
Solve the programming task below in a Python markdown code block. Consider car trips in a country where there is no friction. Cars in this country do not have engines. Once a car started to move at a speed, it keeps moving at the same speed. There are acceleration devices on some points on the road, where a car can in...
Solve the programming task below in a Python markdown code block. Princess in Danger Princess crisis English text is not available in this practice contest. A brave princess in a poor country's tomboy is married to another country for a political marriage. However, a villain who was trying to kill the princess atta...
Solve the programming task below in a Python markdown code block. Problem statement We played an AI soccer match between Country A and Country B. You have a table that records the player who had the ball at a certain time and its position. The table consists of N rows, and the i-th row from the top consists of the fo...
Solve the programming task below in a Python markdown code block. C: Mod! Mod! story That's right! I'm looking for eyewitness testimony! A phantom thief has appeared in Aizu! Everyone's horse stick was stolen! Who is the culprit! ?? Unravel! Mod! Mod! Problem statement "Eyes" ... it's a miracle bud that swells in ...
Solve the programming task below in a Python markdown code block. problem I want to put as many rectangular tiles as possible on a rectangular wall with a size of $ h $ in height and $ w $ in width, and a size of $ a $ in height and $ b $ in width. The following conditions must be met when attaching tiles. * Do no...
Solve the programming task below in a Python markdown code block. For a given weighted directed graph G(V, E), find the distance of the shortest route that meets the following criteria: * It is a closed cycle where it ends at the same point it starts. * It visits each vertex exactly once. Constraints * 2 ≀ |V| ≀ 15...
Solve the programming task below in a Python markdown code block. For given integers m and n, compute mn (mod 1,000,000,007). Here, A (mod M) is the remainder when A is divided by M. Constraints * 1 ≀ m ≀ 100 * 1 ≀ n ≀ 109 Input m n Two integers m and n are given in a line. Output Print mn (mod 1,000,000,007)...
Solve the programming task below in a Python markdown code block. The heat during the last few days has been really intense. Scientists from all over the Berland study how the temperatures and weather change, and they claim that this summer is abnormally hot. But any scientific claim sounds a lot more reasonable if th...
Solve the programming task below in a Python markdown code block. Medicine faculty of Berland State University has just finished their admission campaign. As usual, about 80\% of applicants are girls and majority of them are going to live in the university dormitory for the next 4 (hopefully) years. The dormitory con...
Solve the programming task below in a Python markdown code block. Formula 1 officials decided to introduce new competition. Cars are replaced by space ships and number of points awarded can differ per race. Given the current ranking in the competition and points distribution for the next race, your task is to calcula...
Solve the programming task below in a Python markdown code block. Berkomnadzor β€” Federal Service for Supervision of Communications, Information Technology and Mass Media β€” is a Berland federal executive body that protects ordinary residents of Berland from the threats of modern internet. Berkomnadzor maintains a list...
Solve the programming task below in a Python markdown code block. Bob is a duck. He wants to get to Alice's nest, so that those two can duck! <image> Duck is the ultimate animal! (Image courtesy of See Bang) The journey can be represented as a straight line, consisting of n segments. Bob is located to the left of th...
Solve the programming task below in a Python markdown code block. Ivan recently bought a detective book. The book is so interesting that each page of this book introduces some sort of a mystery, which will be explained later. The i-th page contains some mystery that will be explained on page a_i (a_i β‰₯ i). Ivan wants...
Solve the programming task below in a Python markdown code block. This morning Tolik has understood that while he was sleeping he had invented an incredible problem which will be a perfect fit for Codeforces! But, as a "Discuss tasks" project hasn't been born yet (in English, well), he decides to test a problem and as...
Solve the programming task below in a Python markdown code block. There is a country with n citizens. The i-th of them initially has a_{i} money. The government strictly controls the wealth of its citizens. Whenever a citizen makes a purchase or earns some money, they must send a receipt to the social services mention...
Solve the programming task below in a Python markdown code block. There is a white sheet of paper lying on a rectangle table. The sheet is a rectangle with its sides parallel to the sides of the table. If you will take a look from above and assume that the bottom left corner of the table has coordinates (0, 0), and co...
Solve the programming task below in a Python markdown code block. In the Catowice city next weekend the cat contest will be held. However, the jury members and the contestants haven't been selected yet. There are n residents and n cats in the Catowice, and each resident has exactly one cat living in his house. The res...
Solve the programming task below in a Python markdown code block. Let's call two numbers similar if their binary representations contain the same number of digits equal to 1. For example: * 2 and 4 are similar (binary representations are 10 and 100); * 1337 and 4213 are similar (binary representations are 101001...
Solve the programming task below in a Python markdown code block. We just discovered a new data structure in our research group: a suffix three! It's very useful for natural language processing. Given three languages and three suffixes, a suffix three can determine which language a sentence is written in. It's super...
Solve the programming task below in a Python markdown code block. You are given three strings a, b and c of the same length n. The strings consist of lowercase English letters only. The i-th letter of a is a_i, the i-th letter of b is b_i, the i-th letter of c is c_i. For every i (1 ≀ i ≀ n) you must swap (i.e. excha...
Solve the programming task below in a Python markdown code block. We guessed a permutation p consisting of n integers. The permutation of length n is the array of length n where each element from 1 to n appears exactly once. This permutation is a secret for you. For each position r from 2 to n we chose some other ind...
Solve the programming task below in a Python markdown code block. Zookeeper is playing a game. In this game, Zookeeper must use bombs to bomb a string that consists of letters 'A' and 'B'. He can use bombs to bomb a substring which is either "AB" or "BB". When he bombs such a substring, the substring gets deleted from...
Solve the programming task below in a Python markdown code block. Ashish has two strings a and b, each of length n, and an integer k. The strings only contain lowercase English letters. He wants to convert string a into string b by performing some (possibly zero) operations on a. In one move, he can either * cho...
Solve the programming task below in a Python markdown code block. At the school where Vasya is studying, preparations are underway for the graduation ceremony. One of the planned performances is a ball, which will be attended by pairs of boys and girls. Each class must present two couples to the ball. In Vasya's clas...
Solve the programming task below in a Python markdown code block. There are n robots driving along an OX axis. There are also two walls: one is at coordinate 0 and one is at coordinate m. The i-th robot starts at an integer coordinate x_i~(0 < x_i < m) and moves either left (towards the 0) or right with the speed of ...
Solve the programming task below in a Python markdown code block. Fibonacci strings are defined as follows: * f1 = Β«aΒ» * f2 = Β«bΒ» * fn = fn - 1 fn - 2, n > 2 Thus, the first five Fibonacci strings are: "a", "b", "ba", "bab", "babba". You are given a Fibonacci string and m strings si. For each string si, ...
Solve the programming task below in a Python markdown code block. Everyone knows that 2010 FIFA World Cup is being held in South Africa now. By the decision of BFA (Berland's Football Association) next World Cup will be held in Berland. BFA took the decision to change some World Cup regulations: * the final tournam...
Solve the programming task below in a Python markdown code block. A subsequence of length |x| of string s = s1s2... s|s| (where |s| is the length of string s) is a string x = sk1sk2... sk|x| (1 ≀ k1 < k2 < ... < k|x| ≀ |s|). You've got two strings β€” s and t. Let's consider all subsequences of string s, coinciding wit...
Solve the programming task below in a Python markdown code block. Dima and his friends have been playing hide and seek at Dima's place all night. As a result, Dima's place got messy. In the morning they decided that they need to clean the place. To decide who exactly would clean the apartment, the friends want to pla...
Solve the programming task below in a Python markdown code block. As a tradition, every year before IOI all the members of Natalia Fan Club are invited to Malek Dance Club to have a fun night together. Malek Dance Club has 2n members and coincidentally Natalia Fan Club also has 2n members. Each member of MDC is assign...
Solve the programming task below in a Python markdown code block. Dima, Inna and Seryozha have gathered in a room. That's right, someone's got to go. To cheer Seryozha up and inspire him to have a walk, Inna decided to cook something. Dima and Seryozha have n fruits in the fridge. Each fruit has two parameters: the ...
Solve the programming task below in a Python markdown code block. Two chess pieces, a rook and a knight, stand on a standard chessboard 8 Γ— 8 in size. The positions in which they are situated are known. It is guaranteed that none of them beats the other one. Your task is to find the number of ways to place another kn...
Solve the programming task below in a Python markdown code block. Not so long ago as a result of combat operations the main Berland place of interest β€” the magic clock β€” was damaged. The cannon's balls made several holes in the clock, that's why the residents are concerned about the repair. The magic clock can be repr...
Solve the programming task below in a Python markdown code block. Amr is a young coder who likes music a lot. He always wanted to learn how to play music but he was busy coding so he got an idea. Amr has n instruments, it takes ai days to learn i-th instrument. Being busy, Amr dedicated k days to learn how to play th...
Solve the programming task below in a Python markdown code block. Andrewid the Android is a galaxy-famous detective. He is now investigating a case of frauds who make fake copies of the famous Stolp's gears, puzzles that are as famous as the Rubik's cube once was. Its most important components are a button and a line...
Solve the programming task below in a Python markdown code block. Students in a class are making towers of blocks. Each student makes a (non-zero) tower by stacking pieces lengthwise on top of each other. n of the students use pieces made of two blocks and m of the students use pieces made of three blocks. The studen...
Solve the programming task below in a Python markdown code block. During the programming classes Vasya was assigned a difficult problem. However, he doesn't know how to code and was unable to find the solution in the Internet, so he asks you to help. You are given a sequence a, consisting of n distinct integers, that...
Solve the programming task below in a Python markdown code block. Misha and Vanya have played several table tennis sets. Each set consists of several serves, each serve is won by one of the players, he receives one point and the loser receives nothing. Once one of the players scores exactly k points, the score is rese...
Solve the programming task below in a Python markdown code block. Do you remember a kind cartoon "Beauty and the Beast"? No, no, there was no firing from machine guns or radiation mutants time-travels! There was a beauty named Belle. Once she had violated the Beast's order and visited the West Wing. After that she wa...
Solve the programming task below in a Python markdown code block. Vasya the programmer lives in the middle of the Programming subway branch. He has two girlfriends: Dasha and Masha, who live at the different ends of the branch, each one is unaware of the other one's existence. When Vasya has some free time, he goes t...
Solve the programming task below in a Python markdown code block. Mishka has got n empty boxes. For every i (1 ≀ i ≀ n), i-th box is a cube with side length ai. Mishka can put a box i into another box j if the following conditions are met: * i-th box is not put into another box; * j-th box doesn't contain any o...
Solve the programming task below in a Python markdown code block. Consider a system of n water taps all pouring water into the same container. The i-th water tap can be set to deliver any amount of water from 0 to ai ml per second (this amount may be a real number). The water delivered by i-th tap has temperature ti. ...
Solve the programming task below in a Python markdown code block. SaMer has written the greatest test case of all time for one of his problems. For a given array of integers, the problem asks to find the minimum number of groups the array can be divided into, such that the product of any pair of integers in the same g...
Solve the programming task below in a Python markdown code block. In one very old text file there was written Great Wisdom. This Wisdom was so Great that nobody could decipher it, even Phong β€” the oldest among the inhabitants of Mainframe. But still he managed to get some information from there. For example, he manage...
Solve the programming task below in a Python markdown code block. There are N boxes .The i^th box contains ai candies . The frog Om Nom is sitting in box number 1 .Om Nom wants to collect as many candies as he can . However , Om Nom jumps in a peculiar fashion . Om Nom can jump from box number j to box number i only i...