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Coding | codecontest | Write Python code to solve the task.
Devu is a renowned classical singer. He is invited to many big functions/festivals. Recently he was invited to "All World Classical Singing Festival". Other than Devu, comedian Churu was also invited.
Devu has provided organizers a list of the songs and required time for singing th... | Step 1: The thought process behind this problem is to find an optimal schedule for Devu's singing and Churu's jokes that satisfies the given conditions.
Step 2: We need to consider the duration of the event, the time taken for each of Devu's songs, and the time for Churu's jokes.
Step 3: We also need to ensure that ... | bd31b10a91ebc6fcef48fbc6b882e684937c287595502a70227d47a63ba62af1_1_1 | c07590370b0a931484fc698730ad3a777f112ec395755305f244c4a227d16f3a |
Coding | codecontest | Write Python code to solve the task.
A classroom in a school has six rows with 3 desks in each row. Two people can use the same desk: one sitting on the left and one sitting on the right.
Some places are already occupied, and some places are vacant. Petya has just entered the class and wants to occupy the most conven... | Step 1: We need to find the most convenient vacant place for Petya in the classroom, which is represented by the '.' character.
Step 2: To do this, we need to evaluate the convenience level of each vacant place using the given array a and then select the place with the highest convenience level.
Step 3: After select... | 02709be255233ce26f24755155e3038470f8dc8b44808e34fbba76028736f105_1_1 | c21d548371a982f29485718a11fd16de2b0f3ecaecf530bf5099aba84681cf36 |
Coding | codecontest | Write Python code to solve the task.
A classroom in a school has six rows with 3 desks in each row. Two people can use the same desk: one sitting on the left and one sitting on the right.
Some places are already occupied, and some places are vacant. Petya has just entered the class and wants to occupy the most conven... | Step 1: The problem requires finding the most convenient vacant place for Petya in the classroom, where the convenience of each place is pre-calculated and given.
Step 2: The given convenience values are represented in a 6x8 array.
Step 3: We need to find the vacant place with the maximum convenience value and mark ... | 9d8520603bf907a9b26ec92639274ed15b939d9781c7726b7e10288415e59d3f_1_1 | c21d548371a982f29485718a11fd16de2b0f3ecaecf530bf5099aba84681cf36 |
Coding | codecontest | Write Python code to solve the task.
At the school where the twins Ami and Mami attend, the summer vacation has already begun, and a huge amount of homework has been given this year as well. However, the two of them were still trying to go out without doing any homework today. It is obvious that you will see crying on ... | Step 1: The problem aims to find the minimum time required to finish writing all the impressions when the time to finish reading all the books by two people is minimized.
Step 2: To solve this, we need to consider the time taken by each person to read a book and write an impression.
Step 3: We also need to consider ... | fa4ba45ead0aee85da525a102211269de763bdf17be0f14d6bc0e375b2b57f85_1_1 | fdd94b4e0c2f3cad94db1e026ef0c12bd80d983ddec6ea9dde1ea5160e293327 |
Coding | codecontest | Write Python code to solve the task.
At the school where the twins Ami and Mami attend, the summer vacation has already begun, and a huge amount of homework has been given this year as well. However, the two of them were still trying to go out without doing any homework today. It is obvious that you will see crying on ... | Step 1: The problem at hand requires us to find the minimum time for two people to finish reading and writing all the task books given the constraints.
Step 2: We can calculate the total time each book takes to read and write and store them as tuples.
Step 3: We then filter out the next book that has the middle read... | be08747c829f475b8e34d5ae22165bc70fe924da09c9d71fc35f930ceb02e0ab_1_1 | fdd94b4e0c2f3cad94db1e026ef0c12bd80d983ddec6ea9dde1ea5160e293327 |
Coding | codecontest | Write Python code to solve the task.
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 points from the first set lay at... | Step 1: To solve the problem, we need to check all possible permutations of the given 8 points to form a square and a rectangle and check if such a permutation exists.
Step 2: We need helper functions to calculate the distance between two points, determine if a set of points form a rectangle, and check if a square is... | 5f0ccc533c718d9afd26235691a590c853ec2b89341dd4f7af926b710f7d9100_1_1 | 70e8f42065e27219cb91815606d85f3a1d1715704461405d2d4a28f4c1b3225a |
Coding | codecontest | Write Python code to solve the task.
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 points from the first set lay at... | Step 1: The problem requires finding a partition of 8 points into two sets of 4 points each such that the points from the first set form a square and the points from the second set form a rectangle.
Step 2: To solve this problem, we need to calculate the distance between pairs of points, check if the points form a sq... | 4de44c0606eaf8622a619356976c82d2b111980bfa005377835d2929184da1de_1_1 | 70e8f42065e27219cb91815606d85f3a1d1715704461405d2d4a28f4c1b3225a |
Coding | codecontest | Write Python code to solve the task.
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 number.
For example, let's sa... | Step 1: The problem requires us to count the number of excellent numbers of length exactly n, given two favorite digits a and b.
Step 2: We need to define a function to determine whether a positive integer is good if its decimal representation only contains the digits a and b.
Step 3: Then we need to calculate the s... | 19ebb80dbd93e8a68d65cb50c0f58da590902edbbfa4ba3421ddd4480dcfcb1a_1_1 | 931ae0e3a570419069667f3b8acc13dac8e2dfd1a650a21b2f8f815eecba2253 |
Coding | codecontest | Write Python code to solve the task.
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 number.
For example, let's sa... | Step 1: This problem can be solved by iterating through all possible combinations of numbers with the given digits a and b and counting the excellent numbers.
Step 2: We need to calculate the remainder after dividing the total count by 1000000007.
Step 3: To do this, we can use a factorial function to calculate the ... | 8061bed4830a250b452dc67b63cfb830c22847cfb5bcff41b787622f5278af1c_1_1 | 931ae0e3a570419069667f3b8acc13dac8e2dfd1a650a21b2f8f815eecba2253 |
Coding | codecontest | Write Python code to solve the task.
Atish is very talkative. He just doesn't stop speaking. Unfortunately for those around him, he's also a maths wiz, and befuddles anyone who dares speak to him. Annoyed with this, Souradeep asked him to shut up, to which Atish replied,
Take a number, x, find its factorial, remove t... | Step 1: To solve this problem, we need to calculate the factorial of each input number and then find the last non-zero digit in the factorial.
Step 2: We also need to ensure the calculations are optimized to handle large numbers efficiently, using modular arithmetic.
Step 3: We'll loop through each input number, cal... | 264fc8be0a90a8d0bd309c2a29a559bed97d078eb49535c0a456ff884eae5371_1_1 | 654608d09ade83f79a38d0c7a5e220ae3b87f389855d553e722cbbee29b388ad |
Coding | codecontest | Write Python code to solve the task.
Atish is very talkative. He just doesn't stop speaking. Unfortunately for those around him, he's also a maths wiz, and befuddles anyone who dares speak to him. Annoyed with this, Souradeep asked him to shut up, to which Atish replied,
Take a number, x, find its factorial, remove t... | Step 1: To solve this problem, we need to implement a formula to find the factorial of a number while removing the zeroes. Then we can calculate the "Atish digit" as the last digit of the resulting number.
Step 2: We also need to consider an efficient approach to handle large input values, as x is less than 10000. Si... | 02552e4151aea07062623e5937716ca684c2c4098aafbe00508ca32287397469_1_1 | 654608d09ade83f79a38d0c7a5e220ae3b87f389855d553e722cbbee29b388ad |
Coding | codecontest | Write Python code to solve the task.
Let's consider a rooted binary tree with the following properties:
The number of nodes and edges in the tree is infinite
The tree root is labeled by 1
A node labeled by v has two children: 2 × v (the left son of v) and 2 × v + 1 (the right son of v)
Here is an image of the first s... | Step 1: The given problem involves processing a series of queries related to a rooted binary tree with specific properties and operations.
Step 2: The goal is to find pairs of nodes with path configurations that are the same for a given pair of nodes. The pair of nodes is defined by a query of three integers (n, u, ... | f1096f1c495c4dd79521e620d9af193b7e660117863cb5e803a5c00c492ec014_1_1 | 37598741c6456603f9deb188dd03ebcfb0454b0a36d684371e0a9dd3a50ba80e |
Coding | codecontest | Write Python code to solve the task.
Let's consider a rooted binary tree with the following properties:
The number of nodes and edges in the tree is infinite
The tree root is labeled by 1
A node labeled by v has two children: 2 × v (the left son of v) and 2 × v + 1 (the right son of v)
Here is an image of the first s... | Step 1: To solve this problem, we need to understand the tree structure and how the given operations affect the traversal of the tree.
Step 2: We also need to understand the concept of path configuration for a pair of nodes and count the pairs of nodes with the same path configuration based on a series of queries.
St... | e1379ef8110d25587b7d2caf7d5c291d9255353cca8bbdb91a0ffbf4ef109a0a_1_1 | 37598741c6456603f9deb188dd03ebcfb0454b0a36d684371e0a9dd3a50ba80e |
Coding | codecontest | Write Python code to solve the task.
You are at the top left cell (1, 1) of an n × m labyrinth. Your goal is to get to the bottom right cell (n, m). You can only move right or down, one cell per step. Moving right from a cell (x, y) takes you to the cell (x, y + 1), while moving down takes you to the cell (x + 1, y).
... | Step 1: This problem requires finding the number of different legal paths from the start to the goal in a labyrinth.
Step 2: We need to consider moving right or down in the labyrinth and check for the presence of rocks in the path.
Step 3: We should handle the pushing of rocks while moving, and ensure that the direc... | da3fc3355de6d816091a9dd3788e92189e641165fc5ac69156640be4abdabb27_1_1 | 73b22c2dd2617d71629ee552c7f9f856b05866f555fe911620eb7a118a27082a |
Coding | codecontest | Write Python code to solve the task.
You are at the top left cell (1, 1) of an n × m labyrinth. Your goal is to get to the bottom right cell (n, m). You can only move right or down, one cell per step. Moving right from a cell (x, y) takes you to the cell (x, y + 1), while moving down takes you to the cell (x + 1, y).
... | Step 1: We can solve this problem using dynamic programming.
Step 2: We'll need to define a matrix to represent the labyrinth and keep track of the number of different legal paths.
Step 3: We'll start from the bottom-right cell and move upwards and leftwards to count the number of different legal paths.
Step 4: We'... | 909ebbd012fd24c8456538514f63f1f7061918a5f96543d7a395102e44754523_1_1 | 73b22c2dd2617d71629ee552c7f9f856b05866f555fe911620eb7a118a27082a |
Coding | codecontest | Write Python code to solve the task.
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.
Determine the minimum number of operat... | Step 1: To solve this problem, we need to determine the minimum number of operations required to make the given integer n the square of some positive integer, or report that it is impossible.
Step 2: We can approach this problem by iterating through all possible combinations of deleting digits from the given integer ... | e193725310f61b174b8d1a95cf8e394017792d46068609413ab46349a479b98d_1_1 | af18366aa3eee413a7b80dc11247fb7ec038ffc1a3721832ca63c61b0cde7aa9 |
Coding | codecontest | Write Python code to solve the task.
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.
Determine the minimum number of operat... | Step 1: The problem requires us to find the minimum number of operations needed to make a given integer the square of some positive integer, or report that it is impossible.
Step 2: We can start by approaching this problem using a brute force approach, which involves iterating through all possible combinations of del... | 18be69a45c0285cc57c9f1f1e9155ab82d5da57ad3c5fdbf5bedc6bbe7626345_1_1 | af18366aa3eee413a7b80dc11247fb7ec038ffc1a3721832ca63c61b0cde7aa9 |
Coding | codecontest | Write Python code to solve the task.
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 following unusual basic chara... | Step 1: The problem describes a situation where we need to find the closest possible sum of the numbers on shredded pieces to the target number, without going over it. So we'll need to generate all possible combinations of the cuts and find the sum closest to the target number in each case.
Step 2: We need to conside... | 6851f22b9486bb94458f8ff6d085ea284ac42bc7e66e784e3dd670518b75a6cf_1_1 | 77ce6775db73600e4fa64b2d7d5489bc85cc0628446155f302866151487f95ef |
Coding | codecontest | Write Python code to solve the task.
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 following unusual basic chara... | Step 1: The problem requires us to find the closest number to the target number by dividing a given number into smaller parts to identify if it's possible to get the target number.
Step 2: To solve this problem, we will simulate the process of cutting the number into smaller parts and keep track of the sums of these ... | fc00c6f78e68741240a82b2b924d0cd934b5f6cd200f43304b971c1da31b497c_1_1 | 77ce6775db73600e4fa64b2d7d5489bc85cc0628446155f302866151487f95ef |
Coding | codecontest | Write Python code to solve the task.
Elections in Berland are coming. There are only two candidates — Alice and Bob.
The main Berland TV channel plans to show political debates. There are n people who want to take part in the debate as a spectator. Each person is described by their influence and political views. There... | Step 1: The problem requires us to determine the maximum possible total influence of a non-empty set of spectators such that at least half of them support Alice and at least half of them support Bob.
Step 2: We will need to categorize the people based on their political views and then sort them based on influence.
St... | 5c93d9de6728ec1711bb11e8d6842b190fda92a85c3019c1692750928cacd648_1_1 | 00884c9495b9654a5425147baa95b764a789923caf3be3343717f3f72d097066 |
Coding | codecontest | Write Python code to solve the task.
Elections in Berland are coming. There are only two candidates — Alice and Bob.
The main Berland TV channel plans to show political debates. There are n people who want to take part in the debate as a spectator. Each person is described by their influence and political views. There... | Step 1: We are given the number of people who want to take part in the debate as spectators and their political views as well as their influence level.
Step 2: Our task is to select a non-empty set of spectators such that at least half of them support Alice, at least half of them support Bob, and the total influence... | 9ae891d62d5398acc7e3d910638ec5d48138e01871e79023c6c42cefd1066a14_1_1 | 00884c9495b9654a5425147baa95b764a789923caf3be3343717f3f72d097066 |
Coding | codecontest | Write Python code to solve the task.
Innokenty works at a flea market and sells some random stuff rare items. Recently he found an old rectangular blanket. It turned out that the blanket is split in n ⋅ m colored pieces that form a rectangle with n rows and m columns.
The colored pieces attracted Innokenty's attentio... | Step 1: To solve this problem, we need to find all possible subrectangles in the blanket that can be cut out and sold as flags.
Step 2: We can start by iterating through the rows and columns of the blanket to find all possible combinations for a valid flag.
Step 3: For each subrectangle of three stripes, we need to ... | 1f941f0f5dead216a8d4e74c8cdf75d70bf438d6e46f49ffa9b23963ffe8e737_1_1 | bc2f4959d50079b60d0ec44e5a8314228a09bb17734f972f592e8af93af6edb8 |
Coding | codecontest | Write Python code to solve the task.
Innokenty works at a flea market and sells some random stuff rare items. Recently he found an old rectangular blanket. It turned out that the blanket is split in n ⋅ m colored pieces that form a rectangle with n rows and m columns.
The colored pieces attracted Innokenty's attentio... | Step 1:
To solve this problem, we need to iterate through rows and columns and calculate the number of subrectangles that can be formed to match the conditions provided for the rectangle to be considered a flag. We need to correctly identify and count the subrectangles that match the flag criteria.
For each column, w... | 3a737ada16e5309b99345539c82099e1d0bda338c01c46d53776b1f350ff111d_1_1 | bc2f4959d50079b60d0ec44e5a8314228a09bb17734f972f592e8af93af6edb8 |
Coding | codecontest | Write Python code to solve the task.
Vasya is about to take his first university exam in about several minutes. And it's not just some ordinary exam, it's on mathematical analysis. Of course, right now Vasya can only think of one thing: what the result of his talk with the examiner will be...
To prepare for the exam, ... | Step 1: The problem describes Vasya's situation in preparing for an exam and determines the minimum and maximum possible levels of his proficiency in the card he gets on the exam.
Step 2: To solve the problem, we need to iterate through the input data to find minimum and maximum proficiencies based on the theorems an... | 8e0f438ff122764ede23ffbc36d4cdcdac7dd4fec3a9600d43f6a1031c494328_1_1 | 4c011f37bed0647fe2bad8158c36646fd2658d417f5269b734df4c69953b29a7 |
Coding | codecontest | Write Python code to solve the task.
Vasya is about to take his first university exam in about several minutes. And it's not just some ordinary exam, it's on mathematical analysis. Of course, right now Vasya can only think of one thing: what the result of his talk with the examiner will be...
To prepare for the exam, ... | Step 1: This problem requires us to calculate the minimum and maximum proficiency for Vasya in the exam card he will receive.
Step 2: To achieve this, we first read the input values and store them in appropriate data structures.
Step 3: We then calculate the minimum and maximum proficiencies by evaluating the levels... | fa89618d6ef92730a13bccb7df441d4f9db0a2b1fb8cbfe25c643521392d6d08_1_1 | 4c011f37bed0647fe2bad8158c36646fd2658d417f5269b734df4c69953b29a7 |
Coding | codecontest | Write Python code to solve the task.
Ichiro likes baseball and has decided to write a program which simulates baseball.
The program reads events in an inning and prints score in that inning. There are only three events as follows:
Single hit
* put a runner on the first base.
* the runner in the first base advances t... | Step 1: To solve this problem, we need to create a program that simulates a baseball game. We will read a list of events representing the actions in an inning and calculate the score in that inning based on the events.
Step 2: We can define the events and their effects on the score, number of outs, and runners on bas... | 56a7b4b1f923a046fd9df07fe594fbc3ec25898003586ea23672014707b880e2_1_1 | c480623d018fd033ae39b63b1246e2e2234b7f949b4402205400ecbce21bd37d |
Coding | codecontest | Write Python code to solve the task.
Ichiro likes baseball and has decided to write a program which simulates baseball.
The program reads events in an inning and prints score in that inning. There are only three events as follows:
Single hit
* put a runner on the first base.
* the runner in the first base advances t... | Step 1: The program needs to read a list of events in an inning and calculate the score for that inning based on the events.
Step 2: We need to initialize variables to keep track of the score, the number of outs, and the position of the runners on base.
Step 3: We then need to iterate through the events, update the ... | c797bffcbf1209e9a8836f62fc67c84d5fcdb272f7ed0d2488eb558ae86ab59f_1_1 | c480623d018fd033ae39b63b1246e2e2234b7f949b4402205400ecbce21bd37d |
Coding | codecontest | Write Python code to solve the task.
In Disgaea as in most role-playing games, characters have skills that determine the character's ability to use certain weapons or spells. If the character does not have the necessary skill, he cannot use it. The skill level is represented as an integer that increases when you use th... | Step 1: The problem requires us to determine the new skills and skill levels acquired after the character undergoes transmigration.
Step 2: We need to read the input, which includes the current character's skills and the specific skills of the transmigrated class, along with the reducing coefficient k.
Step 3: Next,... | 3415d18e7b5b5da17ad51c9699f8f58f09dc3e8863ed134bef186364c472d4da_1_1 | 821bb1840bec584be4b347a8d8695646b3263b8e0ef770a2a3111438d996095a |
Coding | codecontest | Write Python code to solve the task.
In Disgaea as in most role-playing games, characters have skills that determine the character's ability to use certain weapons or spells. If the character does not have the necessary skill, he cannot use it. The skill level is represented as an integer that increases when you use th... | Step 1: The problem asks for a solution to determine the skills a character will have after transmigration and the levels of those skills.
Step 2: To solve this problem, we need to handle the input by reading the values and building a dictionary to store the skills and their levels.
Step 3: The reducing coefficient ... | 32141d5c20ea9e1fca3e2ed679e997e68fbc885b30ce337e946917ed9ee16693_1_1 | 821bb1840bec584be4b347a8d8695646b3263b8e0ef770a2a3111438d996095a |
Coding | codecontest | Write Python code to solve the task.
Phone number in Berland is a sequence of n digits. Often, to make it easier to memorize the number, it is divided into groups of two or three digits. For example, the phone number 1198733 is easier to remember as 11-987-33. Your task is to find for a given phone number any of its di... | Step 1: The problem requires dividing a phone number into groups of two or three digits.
Step 2: We need to iterate through the digits of the phone number and separate them into groups of two or three digits.
Step 3: If the number of digits is not a multiple of 2 or 3, there will be some remaining digits that will ... | 2f1e9ff0957a7ec38a1c3de643e26744a7f3e3537fe761ed3cf2ad3fa7aa42a8_1_1 | 7a95551e3f82de37237f35cb1151fce96a279fee54f174c3367670964641cd1b |
Coding | codecontest | Write Python code to solve the task.
Phone number in Berland is a sequence of n digits. Often, to make it easier to memorize the number, it is divided into groups of two or three digits. For example, the phone number 1198733 is easier to remember as 11-987-33. Your task is to find for a given phone number any of its di... | Step 1: To solve this problem, we need to find a way to divide the given phone number into groups of two or three digits.
Step 2: We can do this by iterating through the digits and splitting the number into groups of two or three based on the remaining digits.
Step 3: If there are more than 3 digits remaining, we c... | 0f3f4a340387e17ce8d6a123d5509d2c09840d07bde7182af0c48835cd3bd253_1_1 | 7a95551e3f82de37237f35cb1151fce96a279fee54f174c3367670964641cd1b |
Coding | codecontest | Write Python code to solve the task.
Recently a Golden Circle of Beetlovers was found in Byteland. It is a circle route going through n ⋅ k cities. The cities are numerated from 1 to n ⋅ k, the distance between the neighboring cities is exactly 1 km.
Sergey does not like beetles, he loves burgers. Fortunately for him,... | Step 1: The goal is to determine the minimum and maximum number of stops Sergey could have made before returning to his initial city.
Step 2: To accomplish this, we can iterate through the possible locations of Sergey's initial city and the first stop.
Step 3: For each pair of locations, we calculate the number of s... | 8f878655c82419e8107feeb2a0441223c7f16d38510ced758fcc1046a9e4528a_1_1 | ce86bbc801b8484ef92de253c56b0bd46a2824440d9a4d8a5a877f357348b80a |
Coding | codecontest | Write Python code to solve the task.
Recently a Golden Circle of Beetlovers was found in Byteland. It is a circle route going through n ⋅ k cities. The cities are numerated from 1 to n ⋅ k, the distance between the neighboring cities is exactly 1 km.
Sergey does not like beetles, he loves burgers. Fortunately for him,... | Step 1: The problem involves finding the minimum and maximum number of stops before Sergey returns to his starting city after traveling along a circle route with fast food restaurants at regular intervals.
Step 2: We can calculate the possible distances from the initial city to the nearest fast food restaurant and th... | 071136f5e2caf6df6e3866b173536791b980e17e8a0f46be74cd79289e903274_1_1 | ce86bbc801b8484ef92de253c56b0bd46a2824440d9a4d8a5a877f357348b80a |
Coding | codecontest | Write Python code to solve the task.
There are n Christmas trees on an infinite number line. The i-th tree grows at the position x_i. All x_i are guaranteed to be distinct.
Each integer point can be either occupied by the Christmas tree, by the human or not occupied at all. Non-integer points cannot be occupied by any... | Step 1: To solve this problem, we need to find the positions of people that minimize the sum of distances to the nearest Christmas tree.
Step 2: We can start by sorting the positions of the Christmas trees to simplify the process of finding the nearest tree for each person.
Step 3: Then, we can use a deque to iterat... | 6a6b02e57e9642c42bb5fbbd982876ae3498ecacae2744be509bada09df322a1_1_1 | 6787ee5e95dee1b0700983af8f9fe2b8489709c3eb0a9c57ba8739da5efd6e4d |
Coding | codecontest | Write Python code to solve the task.
There are n Christmas trees on an infinite number line. The i-th tree grows at the position x_i. All x_i are guaranteed to be distinct.
Each integer point can be either occupied by the Christmas tree, by the human or not occupied at all. Non-integer points cannot be occupied by any... | Step 1: This problem involves arranging people at positions y_1, y_2, ..., y_m such that the sum of distances to the nearest Christmas tree for all people is minimized.
Step 2: To solve this problem, we can use a greedy approach by assigning each person to the closest Christmas tree location.
Step 3: We will need to... | 36a4eab658870348bc29df89fcdc976dc65c98694308b5247c6f3fde0c21d7f4_1_1 | 6787ee5e95dee1b0700983af8f9fe2b8489709c3eb0a9c57ba8739da5efd6e4d |
Coding | codecontest | Write Python code to solve the task.
Gotou just received a dictionary. However, he doesn't recognize the language used in the dictionary. He did some analysis on the dictionary and realizes that the dictionary contains all possible diverse words in lexicographical order.
A word is called diverse if and only if it is a... | Step 1: The problem requires us to find the next word after the given diverse word in lexicographical order, ensuring that the next word is lexigraphically larger than the given word.
Step 2: We need to consider special cases, such as when the word is already the largest possible diverse word.
Step 3: The solution i... | ff5616a62b99f3d72de32c0509608da3ff4adace33fc303efa4a1edf9008fd01_1_1 | b8fe866175cf947dcbd8a60df3e271bf0b624a730782fd4c5367aa533685e743 |
Coding | codecontest | Write Python code to solve the task.
Gotou just received a dictionary. However, he doesn't recognize the language used in the dictionary. He did some analysis on the dictionary and realizes that the dictionary contains all possible diverse words in lexicographical order.
A word is called diverse if and only if it is a... | Step 1: To solve this problem, we need to determine the next word that appears after the given diverse word `S` in the dictionary.
Step 2: We'll first check if there exists a lexicographically larger diverse word after `S` and return it if it exists.
Step 3: If the lexicographically larger diverse word does not exis... | 3de9aa0e96f5c36f2d9170112aceee4536ed2e26284e740d48df026b3bd92e2c_1_1 | b8fe866175cf947dcbd8a60df3e271bf0b624a730782fd4c5367aa533685e743 |
Coding | codecontest | Write Python code to solve the task.
Recently, Vladimir got bad mark in algebra again. To avoid such unpleasant events in future he decided to train his arithmetic skills. He wrote four integer numbers a, b, c, d on the blackboard. During each of the next three minutes he took two numbers from the blackboard (not neces... | Step 1: To solve this problem, we need to find all possible combinations of operations and numbers to obtain the smallest number.
Step 2: We can use a recursive approach to generate all possible calculations and keep track of the minimum result.
Step 3: The get_all_nums function should recursively perform all possib... | c1d46c803b261c8a4d4a054fdae8cb761a651030133346829f1439d20550a1bd_1_1 | 1b00e84afbdb870a8112c29ad1386214025fd8dc40bfc811d6e2dd4c72765e16 |
Coding | codecontest | Write Python code to solve the task.
Recently, Vladimir got bad mark in algebra again. To avoid such unpleasant events in future he decided to train his arithmetic skills. He wrote four integer numbers a, b, c, d on the blackboard. During each of the next three minutes he took two numbers from the blackboard (not neces... | Step 1: The problem requires finding the smallest number that can be obtained from the original set of numbers by performing addition or multiplication operations on pairs of numbers in a specific order.
Step 2: We need to generate all possible combinations of numbers obtained after performing the sequence of operati... | eeb531341d12617717bbb692a5e9f05d2163aced8dec71fc6c11c66617e206bf_1_1 | 1b00e84afbdb870a8112c29ad1386214025fd8dc40bfc811d6e2dd4c72765e16 |
Coding | codecontest | Write Python code to solve the task.
There are n boxes with colored balls on the table. Colors are numbered from 1 to n. i-th box contains ai balls, all of which have color i. You have to write a program that will divide all balls into sets such that:
* each ball belongs to exactly one of the sets,
* there are no... | Step 1: The goal of the program is to divide the colored balls into sets so that each set contains only balls of the same color, and the difference between the sizes of any two sets is not greater than 1.
Step 2: We can start by implementing a function to determine the minimum possible number of sets based on the num... | 33050fe2c2110e4da76f6effbfb8ab07fcde45fe462bc50d5be4eafd3bbc478c_1_1 | 30a2ca4dc136d5411299450b7da487be8947afe98ab95d470f7faa7758d8b6c2 |
Coding | codecontest | Write Python code to solve the task.
There are n boxes with colored balls on the table. Colors are numbered from 1 to n. i-th box contains ai balls, all of which have color i. You have to write a program that will divide all balls into sets such that:
* each ball belongs to exactly one of the sets,
* there are no... | Step 1: To solve this problem, we need to find the minimum possible number of sets into which the colored balls can be divided.
Step 2: We can start by defining a function that checks if the number of balls in a box can be divided into sets based on the given conditions.
Step 3: Then, we can iterate through the boxe... | 74c164a4a14780eed99cfae5701b867c6187004a096e4e72af598a6844383a5f_1_1 | 30a2ca4dc136d5411299450b7da487be8947afe98ab95d470f7faa7758d8b6c2 |
Coding | codecontest | Write Python code to solve the task.
You invited n guests to dinner! You plan to arrange one or more circles of chairs. Each chair is going to be either occupied by one guest, or be empty. You can make any number of circles.
Your guests happen to be a little bit shy, so the i-th guest wants to have a least l_i free c... | Step 1: The problem is asking us to find the minimum number of chairs we have to use to accommodate the guests according to their requirements.
Step 2: We can start by reading the input data to get the details of the guests' requirements and sort them accordingly.
Step 3: Then, we can calculate the total number of c... | fd9d05dafb68e2fce8828f625021df1ce46369d505418c6ce1c6f0520eb7173b_1_1 | d094062c2da01224cdd850d25bb8d56892028238601f89d93adaf5416dd97fcb |
Coding | codecontest | Write Python code to solve the task.
You invited n guests to dinner! You plan to arrange one or more circles of chairs. Each chair is going to be either occupied by one guest, or be empty. You can make any number of circles.
Your guests happen to be a little bit shy, so the i-th guest wants to have a least l_i free c... | Step 1:
The problem involves determining the minimum number of chairs needed to accommodate the guests based on their seating requirements. We need to keep track of the number of chairs to the left and right of each guest.
To solve the problem, we can first read the input to determine the number of guests and their s... | a9ba810f770ae069650ee99c3a8778d20717037f855c76cf88266e27edcd9517_1_1 | d094062c2da01224cdd850d25bb8d56892028238601f89d93adaf5416dd97fcb |
Coding | codecontest | Write Python code to solve the task.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants to swap two trophies (not necessarily adjac... | Step 1: The problem requires finding the maximum possible length of a subsegment of golden trophies in an arrangement if at most one swap is allowed.
Step 2: To solve the problem, we need to iterate through the arrangement and calculate the length of the subsegments consisting of golden trophies.
Step 3: We also nee... | 0b992b235e9d987887b1c2c1060612c0d99e7534ade1965bf88cb4ec2e9c52c2_1_1 | 3bfeeb1d2256f5cecb02c14257c576fea062bcda377957929ee0de474a239293 |
Coding | codecontest | Write Python code to solve the task.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants to swap two trophies (not necessarily adjac... | Step 1: The problem involves finding the maximum possible length of a subsegment of golden trophies, given that we're allowed to do at most one swap.
Step 2: We need to strategically choose a pair of trophies to maximize the overall length of a subsegment. To do this, we'll analyze the input string to identify the le... | 6905fe73b33720448fe3bc14d348b7dcbd222d9806459e4ef8a53e9cba5019db_1_1 | 3bfeeb1d2256f5cecb02c14257c576fea062bcda377957929ee0de474a239293 |
Coding | codecontest | Write Python code to solve the task.
Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can be described with the following set of ru... | Step 1: The problem requires us to check whether a given sequence of words represents a valid sentence in Petya's language.
Step 2: We need to follow the specific order of parts of speech (adjectives, nouns, verbs) and ensure that all words have the same gender.
Step 3: To solve this, we can define a function to che... | 25ed572b3dca2d3dc7bd4935d2566f9fb893e8bf76a709f970fb37fb1ddd7c44_1_1 | 98e56298057c157bbf32831ff52fe2cbdbd700fdb3cd8ce837b134848fc700d7 |
Coding | codecontest | Write Python code to solve the task.
Petya got interested in grammar on his third year in school. He invented his own language called Petya's. Petya wanted to create a maximally simple language that would be enough to chat with friends, that's why all the language's grammar can be described with the following set of ru... | Step 1: To solve this problem, we need to define a function to check if a given sequence of words forms a valid sentence in Petya's language.
Step 2: We need to define the rules that determine whether a sentence is valid in Petya's language. This involves checking the ending of each word and the order in which differ... | 1b083f7be42398badaa96fc087612e9acea9b8ac96c31e86a743937e1940461e_1_1 | 98e56298057c157bbf32831ff52fe2cbdbd700fdb3cd8ce837b134848fc700d7 |
Coding | codecontest | Write Python code to solve the task.
There is a trampoline park with n trampolines in a line. The i-th of which has strength S_i.
Pekora can jump on trampolines in multiple passes. She starts the pass by jumping on any trampoline of her choice.
If at the moment Pekora jumps on trampoline i, the trampoline will launc... | Step 1: To solve this problem, we need to calculate the minimum number of passes required for Pekora to reduce the strength of all trampolines to 1.
Step 2: We can iterate through each trampoline and keep track of the number of passes required to reduce its strength to 1.
Step 3: We also need to consider that Pekora... | 450ef671c0da1aebff73c3a87550abaa69418aa905276247419f14229eac4cd8_1_1 | e6029edef21df046a6db7e7aa436b8f52f8c628d5d6439c654b14fc15481a9b9 |
Coding | codecontest | Write Python code to solve the task.
There is a trampoline park with n trampolines in a line. The i-th of which has strength S_i.
Pekora can jump on trampolines in multiple passes. She starts the pass by jumping on any trampoline of her choice.
If at the moment Pekora jumps on trampoline i, the trampoline will launc... | Step 1: The problem wants us to find the minimum number of passes Pekora needs to do to reduce all trampoline strengths to 1.
Step 2: To solve this problem, we need to simulate Pekora's jumps on the trampolines and update the trampoline's strengths accordingly.
Step 3: We can use a dynamic programming approach to ke... | a208b90b79bda06c02693503a6a9719afba9144c8cc4171f58fd894b1b12adc2_1_1 | e6029edef21df046a6db7e7aa436b8f52f8c628d5d6439c654b14fc15481a9b9 |
Coding | codecontest | Write Python code to solve the task.
As many of you know, we have two major calendar systems used in Japan today. One of them is Gregorian calendar which is widely used across the world. It is also known as “Western calendar” in Japan.
The other calendar system is era-based calendar, or so-called “Japanese calendar.” ... | Step 1:
The problem asks us to create a program that converts western year to era-based year using a provided database to determine the association between the two calendars. We are given multiple test cases containing database entries and queries.
To solve the problem, we need to read the input data, convert the give... | c93bbf73826c8d54a82616d6777054c82a40925c42073c65cc77d0048f0056a9_1_1 | cf4d5df47519b7ee6fb2b2acad28a2ab889c7d036529ba6567f6a84a4c3c6193 |
Coding | codecontest | Write Python code to solve the task.
As many of you know, we have two major calendar systems used in Japan today. One of them is Gregorian calendar which is widely used across the world. It is also known as “Western calendar” in Japan.
The other calendar system is era-based calendar, or so-called “Japanese calendar.” ... | Step 1: This code is designed to solve the problem of converting western years to era-based years according to a database of era-based year and western year pairs.
Step 2: The code loaded as input given western year, converts the year to era-based representation. It does this by using binary search on the input data ... | da5325797a8aea69704ac25a0ebb14c128a8ea50b04cd0267f2cb92faa94b8db_1_1 | cf4d5df47519b7ee6fb2b2acad28a2ab889c7d036529ba6567f6a84a4c3c6193 |
Coding | codecontest | Write Python code to solve the task.
You are playing a game similar to Sokoban on an infinite number line. The game is discrete, so you only consider integer positions on the line.
You start on a position 0. There are n boxes, the i-th box is on a position a_i. All positions of the boxes are distinct. There are also m... | Step 1: The problem requires moving boxes to positions to maximize the reach of special positions.
Step 2: We will use the positions of the boxes and special positions to determine the maximum number of boxes that can be placed on special positions.
Step 3: We will calculate the difference between the special positi... | b99e9c6c094c99f58a70637e3ea01c88bb8b0713507c2a6fb26892bed896ab69_1_1 | 2b47be1f1161cec22ef74addaa7621c702094423289f11541c3d7749685058a1 |
Coding | codecontest | Write Python code to solve the task.
You are playing a game similar to Sokoban on an infinite number line. The game is discrete, so you only consider integer positions on the line.
You start on a position 0. There are n boxes, the i-th box is on a position a_i. All positions of the boxes are distinct. There are also m... | Step 1: The problem describes a game in which the player starts at position 0 and needs to move boxes to special positions on an infinite number line. The goal is to place as many boxes on the special positions as possible.
Step 2: To solve the problem, we need to find a way to determine the maximum number of boxes t... | a3024cc24ef09556e858dde1efbfb49f1ac2047b0655415186ca0c8b7ebbde14_1_1 | 2b47be1f1161cec22ef74addaa7621c702094423289f11541c3d7749685058a1 |
Coding | codecontest | Write Python code to solve the task.
Little penguin Polo has got a tree — a non-directed connected acyclic graph, containing n nodes and n - 1 edges. We will consider the tree nodes numbered by integers from 1 to n.
Today Polo wonders, how to find the number of pairs of paths that don't have common nodes. More formall... | Step 1:
The problem requires calculating the number of pairs of paths in a tree that don't have common nodes. We need to understand how to traverse the tree and identify the pairs of nodes for which the shortest paths do not have common nodes. We can use the concept of tree traversal to identify these pairs and calcul... | cb1658278c5fd7717c0be29613404f1263350a692b0988b1e826fea9ab74d2d3_1_1 | cc32d9898e02b2df03a283f402d532fcf57b59fa4b70fc23a533bb9b92c08bfc |
Coding | codecontest | Write Python code to solve the task.
Little penguin Polo has got a tree — a non-directed connected acyclic graph, containing n nodes and n - 1 edges. We will consider the tree nodes numbered by integers from 1 to n.
Today Polo wonders, how to find the number of pairs of paths that don't have common nodes. More formall... | Step 1: The problem statement defines a task Polo has to solve using a non-directed connected acyclic graph. Polo needs to find the number of pairs of paths that don't have common nodes.
Step 2: We will start by initializing a data structure to represent the tree. Then we will define helper functions to traverse the ... | 7ac66fd61e4d6d39b435c11fd1fefb99c59bfb4e9be2a67db9cd9e562ba39474_1_1 | cc32d9898e02b2df03a283f402d532fcf57b59fa4b70fc23a533bb9b92c08bfc |
Coding | codecontest | Write Python code to solve the task.
Polycarp is flying in the airplane. Finally, it is his favorite time — the lunchtime. The BerAvia company stewardess is giving food consecutively to all the passengers from the 1-th one to the last one. Polycarp is sitting on seat m, that means, he will be the m-th person to get foo... | Step 1: The problem involves simulating the distribution of a limited number of portions of different dishes to passengers before Polycarp, taking into account the dishes given, as well as those disappointed passengers who requested a specific dish that was not available.
Step 2: We need to use the given information ... | 52dc1a0aafd7dcafcd616c750d93fbe9fc95f7a6d64e718953af9e6ed214f7cc_1_1 | d824218a42a33a1db476cbde5093d00c5abf343e2679f238c7c8009d72a35d89 |
Coding | codecontest | Write Python code to solve the task.
Polycarp is flying in the airplane. Finally, it is his favorite time — the lunchtime. The BerAvia company stewardess is giving food consecutively to all the passengers from the 1-th one to the last one. Polycarp is sitting on seat m, that means, he will be the m-th person to get foo... | Step 1:
The goal of the problem is to determine whether the stewardess could have run out of any dish by the time Polycarp is served. To solve this, we need to keep track of the portions of each dish available and use the observations from previous passengers to determine if any particular dish could have run out by t... | 6ef9cbc895c6ee4fad95d4d2384c34a4759dfbddd6156bf2730652a3a98737cd_1_1 | d824218a42a33a1db476cbde5093d00c5abf343e2679f238c7c8009d72a35d89 |
Coding | codecontest | Write Python code to solve the task.
John has just bought a new car and is planning a journey around the country. Country has N cities, some of which are connected by bidirectional roads. There are N - 1 roads and every city is reachable from any other city. Cities are labeled from 1 to N.
John first has to select fro... | Step 1: The problem requires finding in how many ways Jack can select a starting city for John and cities where he will build casinos so that no matter how John travels, he will be in a good mood at the end.
Step 2: To solve this problem, we can use a graph-based approach to identify the options that satisfy the give... | 3a3dedbbc2bbf9d1c61eb3e4e8683ca51d02d8361f6438eae2b51a2296dd42b0_1_1 | 7e591dffc2a9439580e5ae6a471a08d79a5a0c448c7df0a5cbef460b341abcbb |
Coding | codecontest | Write Python code to solve the task.
John has just bought a new car and is planning a journey around the country. Country has N cities, some of which are connected by bidirectional roads. There are N - 1 roads and every city is reachable from any other city. Cities are labeled from 1 to N.
John first has to select fro... | Step 1: The problem requires us to find the number of ways Jack can select a starting city for John, and the cities where he will build casinos so that, no matter how John travels, he will be in a good mood at the end.
Step 2: To solve this problem, we can create a function that takes the city data as input, constru... | c0836fab411c889b58677de4e49e0aec4927dbb95b3a630c40d690990da15103_1_1 | 7e591dffc2a9439580e5ae6a471a08d79a5a0c448c7df0a5cbef460b341abcbb |
Coding | codecontest | Write Python code to solve the task.
While doing some spring cleaning, Daniel found an old calculator that he loves so much. However, it seems like it is broken. When he tries to compute 1 + 3 using the calculator, he gets 2 instead of 4. But when he tries computing 1 + 4, he gets the correct answer, 5. Puzzled by this... | Step 1: The problem asks for the number of pairs of integers (a, b) that satisfy the given conditions, taking into account the bitwise XOR operation.
Step 2: We can use dynamic programming to solve this problem efficiently. The idea is to iterate through all possible values of a and b within the given range and count... | a9b6a37b2fabd6100eb6c0c77093e98be6272bb23ba7a79885ef39c61229f0e4_1_1 | a0530313555ec8e6c276f08ecd8f2cbcb405e9e1158061d0ff9eaf874acc6e14 |
Coding | codecontest | Write Python code to solve the task.
While doing some spring cleaning, Daniel found an old calculator that he loves so much. However, it seems like it is broken. When he tries to compute 1 + 3 using the calculator, he gets 2 instead of 4. But when he tries computing 1 + 4, he gets the correct answer, 5. Puzzled by this... | Step 1: The problem requires finding the number of pairs (a, b) that satisfy the given conditions for a range of test cases.
Step 2: Since the problem involves bitwise operations, we need to consider bitwise operations for finding the solution.
Step 3: The solution may involve iterating through the given range and a... | 7188f31cc2e15e30b7005254fb354fd4740c037e8003586a905875f3da93df14_1_1 | a0530313555ec8e6c276f08ecd8f2cbcb405e9e1158061d0ff9eaf874acc6e14 |
Coding | codecontest | Write Python code to solve the task.
Vasily exited from a store and now he wants to recheck the total price of all purchases in his bill. The bill is a string in which the names of the purchases and their prices are printed in a row without any spaces. Check has the format "name1price1name2price2...namenpricen", where ... | Step 1: The problem requires parsing prices from the input bill string, summing them up, and then formatting the total price to the correct format.
Step 2: We need to write a function to parse and format prices, which involves manipulating the input strings to extract and calculate the prices.
Step 3: We can use reg... | d6e18583aa591cfa2bd0e035741034e2e1b2c5be6652ecc4530600854f1ba32e_1_1 | b5f42b0765e5b60c51e714392a0455f3967e139adf4f8333b273376bb67200e4 |
Coding | codecontest | Write Python code to solve the task.
Vasily exited from a store and now he wants to recheck the total price of all purchases in his bill. The bill is a string in which the names of the purchases and their prices are printed in a row without any spaces. Check has the format "name1price1name2price2...namenpricen", where ... | Step 1: The problem requires parsing a string containing purchase names followed by prices with a specific format.
Step 2: We need to extract the prices from the string, convert them to a standard format, and calculate the total price.
Step 3: After calculating the total price, we need to format it according to the ... | b26b134a6b6a75ae4a2d954db03c3a47a2d30f993b21b2a29dd868cabc9f59bf_1_1 | b5f42b0765e5b60c51e714392a0455f3967e139adf4f8333b273376bb67200e4 |
Coding | codecontest | Write Python code to solve the task.
There are n shovels in Polycarp's shop. The i-th shovel costs i burles, that is, the first shovel costs 1 burle, the second shovel costs 2 burles, the third shovel costs 3 burles, and so on. Polycarps wants to sell shovels in pairs.
Visitors are more likely to buy a pair of shovels... | Step 1: To handle this problem, we need to find the number of pairs of shovels such that their total cost ends with the maximum possible number of nines.
Step 2: First, we should analyze how the sum of shovel costs ending with maximum possible nine can be determined.
Step 3: We want to count the pairs that have a su... | 9bc28901fa9b073a9ae7323de3417ca5e09465681c79e38ea7c504782b35f93a_1_1 | 2850eab3c0d143ce0a2d6422c43b51959c7f495b3690cd2a66d720bfded04f7f |
Coding | codecontest | Write Python code to solve the task.
There are n shovels in Polycarp's shop. The i-th shovel costs i burles, that is, the first shovel costs 1 burle, the second shovel costs 2 burles, the third shovel costs 3 burles, and so on. Polycarps wants to sell shovels in pairs.
Visitors are more likely to buy a pair of shovels... | Step 1: This problem requires us to find the number of pairs of shovels whose total cost ends with the maximum possible number of nines.
Step 2: Since Polycarp has n shovels in his shop, we can iterate through all pairs of shovels, calculate the total cost and the number of nines at the end, and keep track of the max... | 7ff3975ad3f807e78ef88bcd75c1a955328a6364a325c6377d5b37468cd23075_1_1 | 2850eab3c0d143ce0a2d6422c43b51959c7f495b3690cd2a66d720bfded04f7f |
Coding | codecontest | Write Python code to solve the task.
Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
One day Petya encountered a tree with n vertexes. Besides, the ... | Step 1: The main goal of this problem is to determine the number of vertex triples where there is at least one lucky edge on the path between each pair of vertices.
Step 2: To solve this, we should use a Disjoint Set Union (DSU) data structure to keep track of connected components in the graph.
Step 3: We also need ... | 64f69c31d03c5a70612d5dbeb3be69f3f8ab8fb1139b23daebd81a4860cb473e_1_1 | c303a0a106e3e37220fec9edd3becd2e3b24138f502805191f04a073c010b5f6 |
Coding | codecontest | Write Python code to solve the task.
Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
One day Petya encountered a tree with n vertexes. Besides, the ... | Step 1: The problem requires us to count the number of vertex triples in a tree where there is at least one lucky edge on the path between any two vertex pairs.
Step 2: To solve this problem, we can use the Disjoint Set Union (DSU) data structure to partition the tree into connected components based on lucky edges.
S... | 9db34746341c35448ab833dcee60014f01115df1d46b899aaf3a14ec38b1664c_1_1 | c303a0a106e3e37220fec9edd3becd2e3b24138f502805191f04a073c010b5f6 |
Coding | codecontest | Write Python code to solve the task.
There are n people taking dancing lessons. Every person is characterized by his/her dancing skill ai. At the beginning of the lesson they line up from left to right. While there is at least one couple of a boy and a girl in the line, the following process is repeated: the boy and gi... | Step 1: The problem is asking to determine the pairs of boys and girls who will start dancing in what order based on their dancing skills and position while there is at least one couple dancing.
Step 2: We can solve the problem by first parsing the input to extract the dancing skills of each person and their position... | a78b9214f8c33b78c0f92145864841dee49414254fbf34eaa170689b23e44ca9_1_1 | 51b11b9a85a18be3f12a0285abfaeb2ea63c22a3f722fe4056418fcbb4c107f7 |
Coding | codecontest | Write Python code to solve the task.
There are n people taking dancing lessons. Every person is characterized by his/her dancing skill ai. At the beginning of the lesson they line up from left to right. While there is at least one couple of a boy and a girl in the line, the following process is repeated: the boy and gi... | Step 1: The goal of this problem is to pair up the boys and girls with minimal difference in their dancing skills and output the pairs in the order in which they leave to dance.
Step 2: To solve this problem, we can use a heap data structure to efficiently keep track of the couples with the minimal difference in danc... | e430866c03d28aa71b99cddbf4304380ef92306a57d39ebd2ece563fbcfe7187_1_1 | 51b11b9a85a18be3f12a0285abfaeb2ea63c22a3f722fe4056418fcbb4c107f7 |
Coding | codecontest | Write Python code to solve the task.
Every person likes prime numbers. Alice is a person, thus she also shares the love for them. Bob wanted to give her an affectionate gift but couldn't think of anything inventive. Hence, he will be giving her a graph. How original, Bob! Alice will surely be thrilled!
When building t... | Step 1: To create a valid graph, we need to ensure that the graph is as per the specified conditions:
Step 2: 1. The graph must be a simple undirected graph, meaning no multiple edges or self-loops are allowed.
Step 3: 2. The total number of edges must be prime.
Step 4: 3. The degree of each vertex must be prime.
S... | bd224673702cc2612456ccaa8fdd1861c36e06bb237a0b9e93343c07a20f84df_1_1 | d05d94a7a5eb04ad3914638a9f565c4fe79742b6b8c14116fb201e03bff0bfa7 |
Coding | codecontest | Write Python code to solve the task.
Every person likes prime numbers. Alice is a person, thus she also shares the love for them. Bob wanted to give her an affectionate gift but couldn't think of anything inventive. Hence, he will be giving her a graph. How original, Bob! Alice will surely be thrilled!
When building t... | Step 1:
The problem requires us to create a simple undirected graph with exactly n vertices, where the number of edges is prime and the degree of each vertex is prime as well.
To solve this problem, we need to use the concept of prime numbers and determine the number of edges and vertices in the graph based on the co... | bb4e55a3536176669e4e9497c538655658409e7af4de592576e3c98418932de9_1_1 | d05d94a7a5eb04ad3914638a9f565c4fe79742b6b8c14116fb201e03bff0bfa7 |
Coding | codecontest | Write Python code to solve the task.
Vanya has a scales for weighing loads and weights of masses w0, w1, w2, ..., w100 grams where w is some integer not less than 2 (exactly one weight of each nominal value). Vanya wonders whether he can weight an item with mass m using the given weights, if the weights can be put on b... | Step 1: To solve this problem, we need to determine whether it is possible to place an item of mass m and some weights on the left pan of the scales, and some weights on the right pan of the scales so that the pans of the scales are in balance.
Step 2: To do this, we need to consider all possible combinations of weig... | 7b02b03b5a55582e3f9652c380eb6994eaf34056249012dc1591b90b8fdeca54_1_1 | 182d93a28511d9837b0f515e409c0b10814fad49f5c76f7d3689e945d1e7672c |
Coding | codecontest | Write Python code to solve the task.
Vanya has a scales for weighing loads and weights of masses w0, w1, w2, ..., w100 grams where w is some integer not less than 2 (exactly one weight of each nominal value). Vanya wonders whether he can weight an item with mass m using the given weights, if the weights can be put on b... | Step 1: To solve this problem, we need to determine if it is possible to balance an item of mass m using the given weights. We can do this by testing all possible combinations of the weights and checking if any combination leads to a balanced scale.
Step 2: We also need to consider the constraints of the input, such... | 709ef650445549c9419651613726a7a2dab43b414fc3d6a842f02a758c4b3c1e_1_1 | 182d93a28511d9837b0f515e409c0b10814fad49f5c76f7d3689e945d1e7672c |
Coding | codecontest | Write Python code to solve the task.
There are n parliamentarians in Berland. They are numbered with integers from 1 to n. It happened that all parliamentarians with odd indices are Democrats and all parliamentarians with even indices are Republicans.
New parliament assembly hall is a rectangle consisting of a × b cha... | Step 1: The problem requires us to assign seats to parliamentarians in a way that no two members of the same party share neighboring seats.
Step 2: We need to consider the arrangement of the parliamentarians such that consecutive members of the same political party do not sit next to each other.
Step 3: Additionally... | aca9aa794a14ea29571874e6352ba6d174cc7f03e6fdc1fa66558685d3d3dd70_1_1 | 56a32e36b716bb292d3d84f6953281ec8eff4c016e0dbfbddcd75ab9e940cd89 |
Coding | codecontest | Write Python code to solve the task.
There are n parliamentarians in Berland. They are numbered with integers from 1 to n. It happened that all parliamentarians with odd indices are Democrats and all parliamentarians with even indices are Republicans.
New parliament assembly hall is a rectangle consisting of a × b cha... | Step 1: To solve this problem, we need to consider the seating arrangement of parliamentarians in the assembly hall.
Step 2: We can loop through the rows and seats in the assembly hall to assign the parliamentarians to the seats.
Step 3: We need to consider the condition that no two members of the same party should ... | 68b9c35b69980edb3cd4faba017dc04df91fb934b29f6f4b4033df69c00afa42_1_1 | 56a32e36b716bb292d3d84f6953281ec8eff4c016e0dbfbddcd75ab9e940cd89 |
Coding | codecontest | Write Python code to solve the task.
Students love to celebrate their holidays. Especially if the holiday is the day of the end of exams!
Despite the fact that Igor K., unlike his groupmates, failed to pass a programming test, he decided to invite them to go to a cafe so that each of them could drink a bottle of... fr... | Step 1: The problem requires calculating how to distribute milk from n bottles among m of Igor's friends' cups, such that at most two different cups contain milk from any one bottle.
Step 2: The compute function takes input parameters for the number of bottles, the volume of each bottle, and the number of friends.
St... | f40711cd3cd2ea7ba21c31accc85efa68535995d94c7e36d1146d181a94d1251_1_1 | 961d6ee4092676c9b9e7efe4046f11a531b713fee6c21543944ce24ad70e4906 |
Coding | codecontest | Write Python code to solve the task.
Students love to celebrate their holidays. Especially if the holiday is the day of the end of exams!
Despite the fact that Igor K., unlike his groupmates, failed to pass a programming test, he decided to invite them to go to a cafe so that each of them could drink a bottle of... fr... | Step 1: Understanding the problem, we need to distribute the milk from each bottle in a way that it is in no more than two different cups.
Step 2: The problem involves distributing milk volumes from the bottles to the cups while satisfying the constraints.
Step 3: We need to consider the different cases when pouring... | 83a493dfae01489d561e4717326d9da4cbc8ca46391c79ec16b4e158695c6efc_1_1 | 961d6ee4092676c9b9e7efe4046f11a531b713fee6c21543944ce24ad70e4906 |
Coding | codecontest | Write Python code to solve the task.
This time Alice and Bob have devised a new game of numbers to decide who is the better player among the two. Each time they are given n positive integers and they perform an operation on these integers in each turn. In a particular operation a player can choose any 1 of the numbers ... | Step 1: The problem requires us to determine the winner of a game based on a set of numbers and their factorization.
Step 2: We need to understand how to factorize a number into its prime factors and consider the rules for the game.
Step 3: We also need to understand that Alice and Bob take turns reducing numbers us... | 6a8570e9a2b8d522154bc10a009281a8b02e10b819178ea6d602fdd9ea03d7e6_1_1 | 9c5f6a221ac32f97522b359f8a92c506a683df44f5121b4d5451e84313734e23 |
Coding | codecontest | Write Python code to solve the task.
This time Alice and Bob have devised a new game of numbers to decide who is the better player among the two. Each time they are given n positive integers and they perform an operation on these integers in each turn. In a particular operation a player can choose any 1 of the numbers ... | Step 1: The logic behind the game is to determine the winner based on the results of the operation they perform on the numbers.
Step 2: First, we create a dictionary for prime factorization and count the number of prime factors for each number.
Step 3: Then, we calculate the XOR of the prime factor counts for all th... | c2aaa5cee74cc46eeead4225bb67c74af29462927830f2bddbaf79bd7a408c75_1_1 | 9c5f6a221ac32f97522b359f8a92c506a683df44f5121b4d5451e84313734e23 |
Coding | codecontest | Write Python code to solve the task.
A tree is a connected undirected graph consisting of n vertices and n - 1 edges. Vertices are numbered 1 through n.
Limak is a little polar bear and Radewoosh is his evil enemy. Limak once had a tree but Radewoosh stolen it. Bear is very sad now because he doesn't remember much abo... | Step 1: The problem requires us to reconstruct a tree based on the given values n, d, and h.
Step 2: We need to check whether there exists a tree satisfying the given conditions and find any such tree. If there is no suitable tree, we should print -1.
Step 3: To solve this problem, we can first parse the input value... | d4f4fcedc344d72884b4a4a539b8b2ac3ee3bc04bffb9053fee8b33238d5bd15_1_1 | 8829007a1d7079b113fc0f3047ae87d7a02b0dafa8f0e16804f24fd61978b911 |
Coding | codecontest | Write Python code to solve the task.
A tree is a connected undirected graph consisting of n vertices and n - 1 edges. Vertices are numbered 1 through n.
Limak is a little polar bear and Radewoosh is his evil enemy. Limak once had a tree but Radewoosh stolen it. Bear is very sad now because he doesn't remember much abo... | Step 1: The input specifies the number of vertices, the diameter, and the height after rooting a tree in vertex 1.
Step 2: We need to check whether there exists a tree that satisfies these conditions and find any such tree if it exists.
Step 3: We need to consider the possibilities when the number of edges in diamet... | 344a2bc52ff0b66f38163ae99a1cf4357049b043a650f250409efe861b708243_1_1 | 8829007a1d7079b113fc0f3047ae87d7a02b0dafa8f0e16804f24fd61978b911 |
Coding | codecontest | Write Python code to solve the task.
Oleg the bank client lives in Bankopolia. There are n cities in Bankopolia and some pair of cities are connected directly by bi-directional roads. The cities are numbered from 1 to n. There are a total of m roads in Bankopolia, the i-th road connects cities ui and vi. It is guarante... | Step 1: The problem involves assigning labels to cities such that the difference of labels is not greater than 1 if and only if there is a road connecting the cities.
Step 2: We can represent the cities and roads using a graph, where the vertices are the cities and the edges are the roads.
Step 3: To solve this prob... | c3f6c66c1eaaf59aa8c26edae90985022093a68aef1c385ebdfa5060e76b2fb7_1_1 | 43cb85be1d01cded937bebc75af4402fc8e995987587da364cec28ff7c0c1497 |
Coding | codecontest | Write Python code to solve the task.
Oleg the bank client lives in Bankopolia. There are n cities in Bankopolia and some pair of cities are connected directly by bi-directional roads. The cities are numbered from 1 to n. There are a total of m roads in Bankopolia, the i-th road connects cities ui and vi. It is guarante... | Step 1: The problem requires checking if it is possible to assign labels to each city such that the absolute difference between the labels of any two cities is at most 1 if and only if there is a road that connects those cities.
Step 2: The solution will involve building a graph of the cities and their connections, a... | d7cfe058de9a8d0329883105bfa07935a45cc9a920c42e7602d9fc07ace1a65c_1_1 | 43cb85be1d01cded937bebc75af4402fc8e995987587da364cec28ff7c0c1497 |
Coding | codecontest | Write Python code to solve the task.
A Russian space traveller Alisa Selezneva, like any other schoolgirl of the late 21 century, is interested in science. She has recently visited the MIT (Moscow Institute of Time), where its chairman and the co-inventor of the time machine academician Petrov told her about the constr... | Step 1: The given problem can be solved using a helper function to calculate the sum of a range.
Step 2: We can calculate the value of the expression given in the problem description and handle the output based on the number of digits.
Step 3: It's important to handle the output of the expression calculation based... | c58d84b853d51ddf85ea0e80b186f24572ca10ef0642eb1b9ba899b63e7050ba_1_1 | da4aa9d2a2c96140a1de08ce48ce9ac67551496fcd9b77be90bf8ef36db388ca |
Coding | codecontest | Write Python code to solve the task.
A Russian space traveller Alisa Selezneva, like any other schoolgirl of the late 21 century, is interested in science. She has recently visited the MIT (Moscow Institute of Time), where its chairman and the co-inventor of the time machine academician Petrov told her about the constr... | Step 1: The solution uses a custom function 'Solve' to calculate the meaning of the given expression for the test cases.
Step 2: The 'Solve' function computes a complex formula using the input values and then checks if the result is greater than a certain limit.
Step 3: Depending on the result, it prints the answer ... | 7f62466c54c32b3793635bd056af32f1bc5c3c0f98c17151c67b4680a48aeb8e_1_1 | da4aa9d2a2c96140a1de08ce48ce9ac67551496fcd9b77be90bf8ef36db388ca |
Coding | codecontest | Write Python code to solve the task.
You are given a broken clock. You know, that it is supposed to show time in 12- or 24-hours HH:MM format. In 12-hours format hours change from 1 to 12, while in 24-hours it changes from 0 to 23. In both formats minutes change from 0 to 59.
You are given a time in format HH:MM that ... | Step 1: To solve this problem, we need to handle the input and format the time based on the given clock format (12 or 24-hour).
Step 2: We need to evaluate the current hours and minutes and make adjustments based on the format.
Step 3: Then we format the hours and minutes and output the resulting correct time.
```py... | fade92a2039d8f94ab4bf2ec42e035b9692395a8d3866fb0fef565c0f9995b83_1_1 | 75a170de4267b1bd72281a56edfc74a277d0c143e7a68286f1b17f775ae478b0 |
Coding | codecontest | Write Python code to solve the task.
You are given a broken clock. You know, that it is supposed to show time in 12- or 24-hours HH:MM format. In 12-hours format hours change from 1 to 12, while in 24-hours it changes from 0 to 23. In both formats minutes change from 0 to 59.
You are given a time in format HH:MM that ... | Step 1: The broken clock is currently displaying an incorrect time, so our goal is to change the minimum number of digits to make the displayed time correct.
Step 2: We are given the format of the clock, either 12-hours or 24-hours, and the time currently displayed.
Step 3: We need to determine the correct time in t... | ac66f8fde3e154b242da4f54cde8f6d3e62f0c72ef651de74512ce0bd2fecb25_1_1 | 75a170de4267b1bd72281a56edfc74a277d0c143e7a68286f1b17f775ae478b0 |
Coding | codecontest | Write Python code to solve the task.
You have an m x n grid, with m and n both even. Each cell has a tile. The tile has two faces - one is black, and one is white. These tiles may be flipped. However, if you flip a tile, all other tiles in its row and column also get flipped. You start of with an initial configuration ... | Step 1: The problem involves finding the minimum number of flips required to make all cells on the grid white. We need to consider the constraints and take into account that flipping a tile also affects the tiles in its row and column.
Step 2: We can start by parsing the input to obtain the initial configuration of b... | 04ce73a8c08b227f31efdc0600e31a6a2a3c548d43836e91c89db5a6b53461e4_1_1 | 2cd0b665e74707f70f0d9b400ea7f4c516253374653ce0e2aa12059ce0cf5082 |
Coding | codecontest | Write Python code to solve the task.
You have an m x n grid, with m and n both even. Each cell has a tile. The tile has two faces - one is black, and one is white. These tiles may be flipped. However, if you flip a tile, all other tiles in its row and column also get flipped. You start of with an initial configuration ... | Step 1: To solve this problem, we need to find the minimum number of flips required to make all cells white.
Step 2: We can start by counting the number of black tiles in each row and column, then iterating through each cell to check if a flip is required.
Step 3: We can use bitwise operations to efficiently calcula... | 49004b8b715a29f83011da5b18e8111a994930fa9ab705a5e92ca721ac661c0f_1_1 | 2cd0b665e74707f70f0d9b400ea7f4c516253374653ce0e2aa12059ce0cf5082 |
Coding | codecontest | Write Python code to solve the task.
Tokyo has a very complex railway system. For example, there exists a partial map of lines and stations as shown in Figure D-1.
<image>
Figure D-1: A sample railway network
Suppose you are going to station D from station A. Obviously, the path with the shortest distance is A->B->... | Step 1: The problem requires us to calculate the path with the least total fare from the starting point to the goal point in a complex railway network.
Step 2: We need to find the shortest possible path based on the fare tables of each railway company.
Step 3: We can use the Floyd-Warshall algorithm to find the shor... | 1edb95a466c95b3f5d9067c02f88cc5fc7e479f65422fb9c4ac0ee1bcd32dc63_1_1 | 8f46db323820eca59c0e4f3f1806dec9cd074f36f73d73ece838da75ba479ae9 |
Coding | codecontest | Write Python code to solve the task.
Tokyo has a very complex railway system. For example, there exists a partial map of lines and stations as shown in Figure D-1.
<image>
Figure D-1: A sample railway network
Suppose you are going to station D from station A. Obviously, the path with the shortest distance is A->B->... | Step 1:
The problem requires calculating the path with the least total fare to travel from the starting point to the goal point in a railway network. To find the minimum cost path, we need to take into account fares, distances, and the railway companies operating the lines.
We'll maintain the fare table for each comp... | 7529faf7037c5df326eaa9870ddecdddbe904c8d9a8eb1d60077adc27d80538b_1_1 | 8f46db323820eca59c0e4f3f1806dec9cd074f36f73d73ece838da75ba479ae9 |
Coding | codecontest | Write Python code to solve the task.
It's Petya's birthday party and his friends have presented him a brand new "Electrician-n" construction set, which they are sure he will enjoy as he always does with weird puzzles they give him.
Construction set "Electrician-n" consists of 2n - 1 wires and 2n light bulbs. Each bulb... | Step 1:
The problem requires us to construct a configuration of connections between bulbs and wires such that each bulb shines and satisfies certain given conditions.
The solution should involve sorting the given parameters and forming connections based on some iterative process.
```python
# Step 2: Create a function... | ad6930406d0f499f9b2ef752f0bddc279adaa1368bb7be96842ae17e738a572f_1_1 | 5b5ae658320dcfb7982a55c893d1cda0eeb10452750efa0e13b0a78df943b781 |
Coding | codecontest | Write Python code to solve the task.
It's Petya's birthday party and his friends have presented him a brand new "Electrician-n" construction set, which they are sure he will enjoy as he always does with weird puzzles they give him.
Construction set "Electrician-n" consists of 2n - 1 wires and 2n light bulbs. Each bulb... | Step 1: The problem requires finding a configuration to connect the light bulbs with the wires such that all bulbs turn on.
Step 2: We need to figure out how to connect the bulbs with the wires to satisfy the given condition and guarantee that all bulbs turn on.
Step 3: The approach likely involves creating chains t... | 22cdb39946dcb124f1628817d752446294af322ac94c2a5da8b8482add3e7743_1_1 | 5b5ae658320dcfb7982a55c893d1cda0eeb10452750efa0e13b0a78df943b781 |
Coding | codecontest | Write Python code to solve the task.
Find common tangent lines of two circles $c1$ and $c2$.
Constraints
* $-1,000 \leq c1x, c1y, c2x, c2y \leq 1,000$
* $1 \leq c1r, c2r \leq 1,000$
* $c1$ and $c2$ are different
Input
Center coordinates ($cix$, $ciy$) and radii $cir$ of two circles $c1$ are $c2$ are given in the fo... | Step 1: The problem is asking us to find the common tangent lines of two circles and print the coordinates of the tangent points on circle c1 based on specific rules.
Step 2: We can solve this problem by implementing a function to calculate the tangent points using the given center coordinates and radii of the two ci... | 9094cf1d4d9a4f2c133cb83a3ff0b2c6f49a7acd8481d3c84002c83a777a02ce_1_1 | 92cef94a81dd3c1fc05f26afe64166b7ee38164aa70c336cb3068fb29677262d |
Coding | codecontest | Write Python code to solve the task.
Find common tangent lines of two circles $c1$ and $c2$.
Constraints
* $-1,000 \leq c1x, c1y, c2x, c2y \leq 1,000$
* $1 \leq c1r, c2r \leq 1,000$
* $c1$ and $c2$ are different
Input
Center coordinates ($cix$, $ciy$) and radii $cir$ of two circles $c1$ are $c2$ are given in the fo... | Step 1: To solve this problem, we need to find the common tangent lines of the two circles.
Step 2: We can start by defining a function to calculate the tangent points based on given circles.
Step 3: We need to consider various cases based on the relative positions and sizes of the circles to find tangent points.
S... | 783ea729da7c31b4ebff930c23f32cb49f3e5d6d6900ec459224e0ce2aac3915_1_1 | 92cef94a81dd3c1fc05f26afe64166b7ee38164aa70c336cb3068fb29677262d |
Coding | codecontest | Write Python code to solve the task.
Karl likes Codeforces and subsequences. He wants to find a string of lowercase English letters that contains at least k subsequences codeforces. Out of all possible strings, Karl wants to find a shortest one.
Formally, a codeforces subsequence of a string s is a subset of ten chara... | Step 1: The problem requires finding the shortest string that contains at least k codeforces subsequences. We need to come up with a method to create such a string with the given constraints.
Step 2: We can start by understanding the construction of the required string based on the number of subsequences.
Step 3: We... | 80497727ae11a87ec3d89034059d3f0cbec327bf383fc77bd16c71120070fa55_1_1 | 105c01c444cb338c24c1f3e5db2923307f1b746a9b122ba5838f6aa1cab9f6b9 |
Coding | codecontest | Write Python code to solve the task.
Karl likes Codeforces and subsequences. He wants to find a string of lowercase English letters that contains at least k subsequences codeforces. Out of all possible strings, Karl wants to find a shortest one.
Formally, a codeforces subsequence of a string s is a subset of ten chara... | Step 1: The problem asks to find the shortest string that contains at least k codeforces subsequences.
Step 2: To solve this problem, we need to generate the string by appending characters from 'codeforces' at each position.
Step 3: We need to consider the frequency of each character in the substring and manipulate ... | b141faf9283fecb655da1594afe44467f5352a0d41c364cd990403330ca5683d_1_1 | 105c01c444cb338c24c1f3e5db2923307f1b746a9b122ba5838f6aa1cab9f6b9 |
Coding | codecontest | Write Python code to solve the task.
Kavi has 2n points lying on the OX axis, i-th of which is located at x = i.
Kavi considers all ways to split these 2n points into n pairs. Among those, he is interested in good pairings, which are defined as follows:
Consider n segments with ends at the points in correspondent pai... | Step 1: The problem deals with finding the number of good pairings given a number of points on the OX axis.
Step 2: We can use dynamic programming to solve this problem by considering all possible ways to split the points into pairs and checking the conditions for a good pairing.
Step 3: We also need to handle large... | 3aaca1dc28d9427e2980dadbeb9dfbec2c48876ec28cacd033b96c9ec41a3876_1_1 | 3f300eab786945dbe9f488fc5202a21f94f17f0fa70bbb2a296b945820752474 |
Coding | codecontest | Write Python code to solve the task.
Kavi has 2n points lying on the OX axis, i-th of which is located at x = i.
Kavi considers all ways to split these 2n points into n pairs. Among those, he is interested in good pairings, which are defined as follows:
Consider n segments with ends at the points in correspondent pai... | Step 1: We want to find the number of good pairings for a given number n.
Step 2: To solve this problem, we need to calculate the number of good pairings for values of n up to the input value.
Step 3: We can calculate the number of good pairings using dynamic programming and taking modulo into account to handle larg... | d151a198d1c87a2902f64f96684de08f34015c11721236b96036e3ba8b2a760f_1_1 | 3f300eab786945dbe9f488fc5202a21f94f17f0fa70bbb2a296b945820752474 |
Coding | codecontest | Write Python code to solve the task.
Consider an n × m grid. Initially all the cells of the grid are colored white. Lenny has painted some of the cells (at least one) black. We call a painted grid convex if one can walk from any black cell to any another black cell using a path of side-adjacent black cells changing his... | Step 1: To solve this problem, we need to determine if the given grid is convex.
Step 2: A grid is said to be convex when one can walk from any black cell to any other black cell using a path of side-adjacent black cells, changing direction at most once during the path.
Step 3: We need to consider traversing a path ... | 7daaa296b975460c9ce76b0f3a5f97cc9b6b9888e32c1fe9841c9db29aafef55_1_1 | 760a708f51baf1f0d347b4e74cdd5f11488efbb38c2a4e46be8947684408f2da |
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